“Results of two multi-chords stellar occultations by dwarf planet (1) Ceres” A. R. Gomes-Júnior1, B. L. Giacchini2, F. Braga-Ribas, M. Assafin1,R. Vieira-Martins1,J.I.B. Camargo, B. Sicardy, B. Timerson, T. George, J. Broughton, T. Blank, G. Benedetti-Rossi, J. Brooks, R. F. Dantowitz, D. W. Dunham, J. B. Dunham, C. K. Ellington, M. Emilio, F.R. Herpich, C. Jacques, P. D. Maley, L. Mehret, A.J.T. Mello, A.C. Milone, E. Pimentel, W. Schoenel, N. S. Weber, Monthly Notices of the Royal Astronomical Society (MNRAS), Vol 451, pp.2295-2302, 2015.

“A 3-D shape model of (704) Interamnia” Isao Sato, Marc Buie, Paul Maley, Hiromi Hamanowa, Akira Tsuchikawa, David Dunham, International Journal of Astronomy and Astrophysics (IJAA), Vol.4, No. 1, 2014.

“Occultations by 81 Terpsichore and 694 Ekard in 2009 at Different Rotational Phase Angles” B. Timerson et al (co-author), MINOR PLANET BULLETIN, 37, 2010, pp. 140-142.

“New Double Stars from Asteroidal Occultations, 1971-2008” D. Herald et al (co-author), JOURNAL OF DOUBLE STAR OBSERVATIONS, Jan.1, 2010, Vol 6 No. 1, pp. 81-96.

“Reentry of the Automated Transfer Vehicle ‘Jules Verne”, P. Jenniskens et al. (co-author), submitted to NATURE 2009

“A Trio of Well Observed Occultations in 2008”, B.Timerson et al. (co-author), MINOR PLANET BULLETIN, 36, 2009, pp. 98-100.

“Titania’s Radius and an Upper Limit on Its Atmosphere from the September 8, 2001 Stellar Occultation”, T. Widemann et al. (P.D.Maley co-author), ICARUS, 199, 2009, pp. 458-476.

“The SMART-1 Ground Based Campaign”, P. Ehrenfreund et al. (co-author), LUNAR AND PLANETARY SCIENCE XXXVIII, 2007.

“The Visual Appearance of the Iridium Satellites”, P.D.Maley and J.Pizzicaroli, ACTA ASTRONAUTICA, 52, No.8, pp. 629-639, April 2003.

“Proton Ullage Motors as Precursors to Explosions in Orbit”, Paul D. Maley and J. Lynn Palmer, in Multifrequency Electronic/Photonic Devices and Systems for Dual-Use Application, Proceedings of SPIE Vol. 4490 (2001), pp. 307-318.

“Deriving the Spin Rate/Orientation from the Quiescent Spacecraft ABRIXAS Using Optical Observations”, J. Greiner, P.Friedrich, D.-E.Liebscher, G.Hasinger, P.D.Maley, B.Lubke-Ossenbeck, ACTA ASTRONAUTICA, 48, No.5-12, pp.469-478, 2001.

“Results of a Campaign to Observe Auxiliary Motors from Russian SL-12 Space Missions”, Proceedings of the 18th Meeting of the Interagency Debris Coordination Committee, Colorado Springs, Colorado, June 13-16, 2000, pp.267-277

“Determining Locations of Unknown Sites for Astronomical Purposes”, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, June 1997, Vol. 109, pp 719-724.

“A Flash on the Moon caused by Space Debris”, ADVANCES IN SPACE RESEARCH, 11, 1991, pp.12(33)-12(36).

“Space Debris and Flash on the Moon, ICARUS, 90, 1991 Apr. 2, pp. 326, 327.

“The Size and Shape of (2) Pallas from the 1983 Occultation of 1 Vulpeculae”, (co-author) ASTRONOMICAL JOURNAL, 99, 1990, pp. 1636-1662.

“Observations of the 8 December 1987 Occultation of AG+40 0783 by 324 Bamberga”, (co-author) ASTRONOMICAL JOURNAL, 98, 1989, pp. 1094-1099. 

“Side Effects of Space Debris in Astronomical Observation”, PROCEEDINGS OF IAU COLLOQUIUM 112, Aug. 1988. 

“The Need for Optical Study of Space Debris Parentage,” ADVANCES IN SPACE RESEARCH, 10, 1989, pp. (3)373-(3)376.

“The Perseus Flasher and Satellite Glints”, (co-author) ASTROPHYSICAL JOURAL, 320, 1987 Sep. 1, pp.398-403.

“Sensing of Space Objects as an Issue in Manned Platform Support”, PROCEEDINGS OF THE 1987 SYMPOSIUM ON SPACE C3, USAF Academy, Colorado Springs, pp.82-89, 1987.

“Specular Satellite Reflection and the 1985 March 19 Optical Outburst in Perseus,” ASTROPHYSICAL JOURNAL, 317, 1987 Jun.1, L39-44.

“Television Ground Tracking Applied to Aerospace and Astronomical Events”, ACTA ASTRONAUTICA, 17, No. 1, 1988, pp.45-51.

“Visual Photometry in Satellite Surveillance”, PROCEEDINGS OF THE 1985 SYMPOSIUM ON SPACE C3, USAF Academy, Colorado Springs, 1985, p.133.

“Earth Based Observation of the STS-11 Space Shuttle Mission On – orbit and During Reentry”, ACTA ASTRONAUTICA, 12, No. 10, 1985, pp.755-764;

“The Occultation Diameter of 47 Aglaja”, (co-author) BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY., 16, 1984, p.1027.

“Improving our Knowledge of the Lunar Radius”, MONTHLY NOTICES OF THE ASTRONOMICAL SOCIETY OF SOUTH AFRICA, 43, Nos.5-8, Aug. 1984, p.26.

“The Size and Shape of (2) Pallas from its Occultation of 1 Vulpeculae on 1983 May 29”, (co-author) BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, 15, No. 3, p.822

“Asteroid Occultations: A 1981 Status Report”, REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA, 5, No. 3, Jul. 1982, pp.213-216.

“Recently Observed Occultations of Stars by Asteroids”, (co-author), BULLETIN OF THE AMERICAN ASTRONOMICAL SOCIETY, 12, No. 4, 1980, p.814.

“Possible Observation of a Satellite of a Minor Planet”, (co-author), MINOR PLANET BULLETIN, 5, Dec. 1977, pp.16-17.


“Bright Lights to Appear over China Skies”, SPACEFLIGHT (Publication of Chinese Astronautical Society) Beijing, China, May 2000, p.20-21.

“Bringing the Excitement of Space to the People of the World: An International Space Year Initiative”. ACTA ASTRONAUTICA, 1990 Vol. 21, No. 3, pp.201-205.

“Interactive Space Education and Space Shuttle Mission 51-L, “ PROCEEDINGS OF THE GIREP CONFERENCE, Copenhagen, Denmark, ESA SP-253, Nov. 1986, p.349-351


“An Eclipse of a Star by a Minor Planet over India as a Catalyst for Future Astronomical Research”, Inter-University Center for Astronomy and Astrophysics, Pune, India, December 22, 2016.

“How to Record Asteroid Occultation Data with Mobile Video Equpment”, King Abdulaziz University,  Jeddah, Saudi Arabia, May 23, 2015.

“Tactics for Recording Baily’s Beads and Other Solar Phenomena at the Total Solar Eclipse of July 11, 2010”, NASA JSCAS Eclipse Team, Papeete, Tahiti July 10, 2010.

“Joint Portable Video Recording Stations at the Northern Limit of the Annular Solar Eclipse of January 15, 2010”, NASA JSCAS Eclipse Team, Nakatoma, Uganda July 14, 2010.

“Analysis of Faint Fragment Photometry and Astrometry using Intensified Video Cameras” CEAS 2009 European Air and Space Conference, October 28, 2009.

“Airborne Interception of the Reentry of the ATV-1”, 2nd Atmospheric Reentry Association Days Conference, Arcachon, France; October 22, 2008.

“Strategy for Intercepting the Total Solar Eclipse from Multiple Sites in Western China”, NASA JSCAS Eclipse Team; Dunhuang, Gansu, China; July 31, 2008.

“Deriving the Diameter of a Minor Planet with Minimal Hardware”, JSC Astronomical Society public outreach. Havana, Cuba; May 6, 2008.

“Evidence of Asteroid Satellites from 30 Years of Observation”, P.D. Maley, D.W.Dunham, D. Herald, First Workshop on Binaries in the Solar System, Steamboat Springs, CO, August 21-23, 2007.

“Capabilities and Roles of Independent Observers”, Improving Our Vision: Approaches for Shared Space Situational Awareness, World Security Space Institute Center for Defense Information and US Air Force Academy Center for Space and Defense Studies, Colorado Springs, September 15, 2006.

“The Role of Independent Satellite Observers in Space Surveillance”, Union of Concerned Scientists Global Security Meeting, MIT,   Cambridge, Mass., April 11, 2006.

“Coping with the Desert Environment to Observe the Totally Eclipsed Sun, NASA JSCAS Eclipse Team, Benghazi, Libya, March 28, 2005.

“The Annular Solar Eclipse and Dry Season Intercept”, NASA JSCAS Eclipse Team; Penonome, Panama, April 8, 2005.

“Tactics for Monitoring the first 21st Century Transit of Venus across the Sun”, NASA JSCAS Eclipse Team; Belle Mare, Mauritius,   June 7, 2004.

“The visual appearance of the Iridium satellites”, Maley, PD; Pizzicaroli, JC Acta Astronautica [Acta Astronaut.]. Vol. 52, no. 8,629-639. Apr 2003.

“Proton Ullage Motors as Precursors to Explosions in Orbit”, Paul D. Maley and J. Lynn Palmer, SPIE International Symposium on Optical Science and Technology, San Diego, CA, July 31, 2001.

“Recognition of Unexpected Payload Failures in the Iridium Satellite Constellation”, 6th International Conference on Control of Aerospace Complexes, Evpatoria Ukraine, July 2, 2001.

“Deriving the Spin Rate/Orientation from the Quiescent Spacecraft ABRIXAS using Optical Observations”, J.Greiner, P.Friedrich, P.D.Maley, B.Lubke-Ossenbeck, D.E.Liebscher, G.Hasinger. 3rd European Conference on Space Debris, Darmstadt, Germany, March 20, 2001.

“Opportunities to Monitor the Reentry of STS-098”, Guatemala Astronomical Society, Guatemala City, February 17, 2001.

“Observing Solar Eclipses Away from the Centerline”, Solar Eclipse Conference 2000, Antwerp, Belgium. October 14, 2000.

“Deriving the Spin Rate/Orientation from the Quiescent Spacecraft ABRIXAS using Optical Observations”, J.Greiner, P.Friedrich, P.D.Maley, B.Lubke-Ossenbeck, D.E.Liebscher, G.Hasinger. 51st IAF Congress, Rio de Janeiro, Brazil, October 2, 2000.

“The STARSHINE II Satellite: Opportunities in the Islamic World for Participation in a Satellite Education Initiative”, 4th Islamic Astronomy Conference, Amman, Jordan, August 30, 2000.

“STARSHINE: A Student Tracked Atmospheric Research Satellite Deployed from the Space Shuttle”, 50th IAF Congress, Amsterdam, Holland, October 5, 1999.

“Safe Methods for Observing the Sun during the last Eclipse of the Millennium”, NASA JSCAS Eclipse Team, Istanbul, Turkey, August 9, 1999.

“Tracking of Classified and Unclassified Satellites during 1997-98”, EUROSOM III conference, Edinburgh, Scotland, October 25, 1998.

“Use of Lessons Learned to Enhance Payload Integration and Operations”, 49th IAF Congress, Melbourne, Australia, October 2, 1998

“The Iridium Satellite Constellation: A Positive Force for Public Awareness of Space Activities”, P. D. Maley and J.Pizzicaroli, 49th IAF congress, Melbourne, Australia, October 2, 1998.

“Iridium Satellite Phenomenology”, National Space Society of Australia, Melbourne, Australia, September 27, 1998.

“Observing the Annular Solar Eclipse of August 22, 1998”, National Junior College, Singapore, August 21, 1998.

“Safe Observation of the Total Eclipse of the Sun”, Caribbean Retinal Surgeons Conference, Aruba, February 24, 1998.

“Optical Characteristics of Ariane IV Upper Stages in Geostationary Transfer Orbit”, 48th IAF Congress, Turin, Italy, October 8, 1997.

“Methods and Plans for Observing Occultations and Solar Eclipses”, 2nd Arab Astronomical Conference, Amman, Jordan, September 8, 1997.

“Occultation of GSC 23450183 by (704) Interamnia on 1996 December 17”, co-author, Division for Planetary Sciences meeting of American Astronomical Society, Cambridge, Mass., July 18,1997.

“Interaction of the Upper Atmosphere with TSS-1R Dynamics”, American Geophysical Union, San Francisco, December 1996.

“Satellites in Space”, Belgian Working Group Satellites (EUROSOM II), Ghent, Belgium, October. 1996.

Baily’s Beads Observations During the Total Sun Eclipse”, NASA JSCAS Eclipse Team, Delhi, India, October 23, 1995.

“Physical Characteristics of Space Debris from Optical and Radar Measurement”, L.Leuschacke, P. Maley, 28th Safety and Rescue Symposium, Oslo; Norway, October 3, 1995.

“Eclipse Measurements through Jungle Canopy, “NASA JSCAS Eclipse Team, Iquitos, Peru, April 28, 1995.

“Circumstances of the Total Solar Eclipse” NASA JSCAS Eclipse Team, Tacna, Peru, November 3, 1994.

“The American Space Program: Views and Images”, United Nations Day guest speaker, University of Miami, October 1992.

“ The Longest Total Eclipse of the 20th Century”, NASA JSCAS Eclipse Team, Puerto Vallarta, Mexico, July 1991.

“A Free Flying Tether Experiment and Space Structure for ISY”, IAF Congress, Dresden, Germany, October. 1990.

“Bringing the Excitement of Space to the People of the World: An International Space Year Initiative”. IAF Congress, Bangalore, India, October. 1988.

“Training Concepts for the European Space Operations Center”, ESA Technical Interchange meeting, Toulouse, France. August, 1988.

“Interactive Space Education and Space Shuttle Mission 51-L, “GIREP CONFERENCE, Copenhagen, Denmark, November, 1987.

“LLTV Detection of Earth Orbiting Satellites”, Pakistan Upper Atmosphere and Research Organization, Karachi, Pakistan, October, 1987.

“Cooperative Expedition with the Chinese Academy of Science for The Annular Solar Eclipse” Beijing, China, September 22, 1987.

“Sensing of Space Objects as an Issue in Manned Platform Support”, SYMPOSIUM ON SPACE C3, USAF Academy, Colorado Springs, August 1987.

“Observation at the Edge of The Annular-Total Solar Eclipse” NASA JSCAS Eclipse Team, Libreville, Gabon, March 28, 1987.

“Visual Photometry in Satellite Surveillance”, SYMPOSIUM ON SPACE C3, USAF Academy, Colorado Springs, August, 1985.

“An Attempt to Improve the Polar Diameter of the Moon” Astronomical Society of South Africa, Johannesburg, South Africa, May, 1985.

“Center Line Observation of the Total Eclipse”, NASA JSCAS Eclipse Team, Port Moresby, Papua New Guinea, November 21, 1984

“Earth Based Observation of the STS-11 Space Shuttle Mission On – orbit and During Reentry”; IAF Congress, Lausanne, Switzerland, October, 1984.

“Competition in Space: Government vs. Industry”, International Astronautical Federation (IAF) Congress, Budapest, Hungary, October, 1983.

“The Project to Measure the Solar Polar Diameter during the Total Eclipse of June 1983”, NASA JSCAS Eclipse Team, Surabaya, Indonesia, June 1983.

“The Appulse of Bettina and Theta Aurigae”, NSF Workshop on Satellites & Planets, Sao Paulo, Brazil, December, 1981.

“Techniques for Successful Eclipse Science Observation”, NASA JSCAS Eclipse Team, Mombasa, Kenya, February, 1980.

“Cold Weather Effects and Plans for the Total Eclipse”, NASA JSCAS Eclipse Team, Winnipeg, Canada, February, 1979.

“Methods for Total Solar Eclipse Observation,” NASA Johnson Space Center Astronomical Society (JSCAS) Eclipse Team, Bogota, Colombia, October, 1977.


Constellation Program Mission Operations Project Mission Operations Architecture Description Document Mission Class: Orion to  ISS, CxP72203, August 2009.

Cargo Integration & Operations Branch Handbook, SFOC-FL1275, 1998

Detailed Mission Integration Control Board Configuration Management Procedures, NSTS 21086, 1988.

Shuttle Prediction & Recognition Kit, JSC 19687, 1984


Japanese spacecraft out of control (Hitomi video),   April 1, 2016 March 31, 2016  March 31, 2016    March 29, 2016   March 30, 2016   March 29, 2016, March 29, 2016  March 29, 2016 March 28, 2016,  March 28 2016    March 28, 2016  March 28, 2016  March 28, 2016

Flight of first Chinese astronaut over the USA, CNN, October 18, 2003.

Iridium Satellites as seen from Earth, ABC WORLD NEWS, March 17, 2000.

Video of Space Debris, “Space: The Final Junkyard”, THE LEARNING CHANNEL, January 12, 2000.

Leonid Meteor Shower, DISCOVERY CHANNEL NEWS, November 20, 1998.

Tethered Satellite Lost in Space, CBS NEWS, March 23, 1996.

Hubble Space Telescope and Shuttle “Discovery”, CBS EVENING NEWS, April 27, 1990.

Rendezvous of Space Shuttle with LDEF payload, ABC WORLD NEWS, Jan. 12, 1990.

Indonesian satellite and Shuttle rendezvous, ABC WORLD NEWS, Nov. 12, 1984.

Separation of Solar Max Mission satellite from STS-13 (live coverage), CBS EVENING NEWS, Apr. 12, 1984.

Reentry of STS-13 External Tank, CBS EVENING NEWS, Apr. 9, 1984.

STS-11 and payloads on orbit, CBS EVENING NEWS, Feb. 1984.

Halley’s Comet, ABC WORLD NEWS, Jan. 10, 1986.

First video of Shuttle water dumps, Dec. 3, 1985, NASA post flight film from mission STS-61-B.

First Video of reentry of Shuttle External Tank, 1984, NASA post flight film from mission STS 41-C.


Iridium Communications Satellite Reflection From Space, POPULAR MECHANICS, December 1998, p. 26.

Salyut 7, Mir and Tiros 4 spacecraft over Washington DC, NATIONAL GEOGRAPHIC, Vol. 170, No. 4, Oct. 1986, p.443.

Geostationary satellite communications group, AVIATION WEEK & SPACE TECH. Mar. 3, 1986, p.73; on exhibit at Space ’86

Expo, Utretcht, Holland and Science Museum, London, UK.

Chemical cloud release from space, AVIATION WEEK & SPACE TECH., May 27, 1985, p.95 (3 photos)

Reentry of space shuttle, AVIATION WEEK & SPACE TECH., Jan. 21, 1985, p.85 (3 photos)

Reentry of Space Shuttle “Discovery”, AVIATION WEEK & SPACE TECH., Nov. 26 1984, p.23.

Reentry of STS-13 External Tank, DISCOVER, Jun. 1984, p.19.

Reentry of STS-13 External Tank, AVIATION WEEK & SPACE TECH., Apr. 26, 1984, p.21.

Reentry of STS-11 Space Shuttle, AVIATION WEEK & SPACE TECH., Feb. 27, 1984, P.40

Conestoga I rocket launch, SPACE WORLD, Nov. 1982 (cover photo)

Conestoga I rocket launch, AVIATION WEEK & SPACE TECH., Oct. 1, 1982, (cover photo) and Sep.20, 1982, p.17


1983-2013: Vice President of International Occultation Timing Association, a non-profit scientific organization which conducts research into asteroids, solar eclipses and occultations of stars.

1970 to present: Science Team Expedition organizer for the NASA JSC Astronomical Society. Coordinated field activities of groups as large as 330 persons.


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