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213:. These publications are the Minor Planet Circulars (MPCs), the Minor Planet Electronic Circulars (MPECs), and the Minor Planet Supplements (MPSs and MPOs). An extensive archive of publications in a PDF format is available at the Minor Planet Center's website. The archive's oldest publication dates back to 1 November 1977 (MPC 4937–5016).
933:
148:. Under his leadership, the MPC experienced a significant period of reorganization and growth, doubling both its staff size and the volume of observations processed per year. Upon Holman's resignation on February 9, 2021 (announced on February 19, 2021) Matthew Payne became acting director of the MPC.
246:
contain astrometric observations, orbits and ephemerides of minor planets, comets and certain natural satellites. The astrometric observations of comets are published in full, while the minor planet observations are summarised by observatory code (the full observations now being given in the
95:
The MPC runs a number of free online services for observers to assist them in observing minor planets and comets. The complete catalogue of minor planet orbits (sometimes referred to as the "Minor Planet
Catalogue") may also be freely downloaded. In addition to
1028:
353:
is an online service of the Minor Planet Center. The service provides "ephemerides, orbital elements and residual blocks for the outer irregular satellites of the giant planets".
306:
also appear on these circulars. Daily Orbit Update MPECs, issued every day, contain new identifications and orbits of minor planets, obtained over the previous 24 hours.
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data, the MPC collects light curve photometry of minor planets. A key function of the MPC is helping observers coordinate follow up observations of possible
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108:. The MPC is also responsible for identifying, and alerting to, new NEOs with a risk of impacting Earth in the few weeks following their discovery
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136:. Upon Herget's retirement on June 30, 1978, the MPC was moved to the Smithsonian Astrophysical Observatory, under the direction of
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The Minor Planet Center is the official worldwide organization in charge of collecting observational data for
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144:, who oversaw a staff of five. From 2015 to 2021, the Minor Planet Center was headed by interim director
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190:"Minor Planet Circulars" and "Minor Planet Electronic Circulars" redirect here. For the publication by
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302:. Monthly lists of observable unusual objects, observable distant objects, observable comets and the
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267:; new orbits for minor planets appear in the Minor Planets and Comets Orbit Supplement
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325:'s Division F (Planetary Systems and Bioastronomy) by the Minor Planet Center.
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that is generally published by the Minor Planet Center on the date of each
643:"MPEC 2010-W10: Brian Marsden (1937 Aug. 5 – 2010 Nov. 18)"
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340:) is published on behalf of IAU's Division F by the Minor Planet Center.
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446:; Williams, G. V. (February–March 1998). "The NEO Confirmation Page".
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286:) are published by the Minor Planet Center. They generally contain
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Science and technology magazines published in the United States
263:. New orbits for comets and natural satellites appear in the
821:, all published circulars since 1977 (downloadable as PDF)
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Donald E. Osterbrock & P. Kenneth
Seidelmann (1987).
251:
Supplement). New numberings and namings of minor planets
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Biographical
Memoirs of the National Academy of Sciences
662:"Interim Director Appointed to the Minor Planet Center"
38:) is the official body for observing and reporting on
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140:. From 2006 to 2015, the director of the MPC was
784:"Division F Planetary Systems and Astrobiology"
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205:observations of minor planets, as well as of
8:
718:"Staff – Matthew Payne, MPC Acting Director"
46:(IAU). Founded in 1947, it operates at the
128:The Minor Planet Center was set up at the
104:(NEOs) via its NEO web form and blog, the
692:"New acting MPC Director – MPEC 2021-D60"
612:"Minor Planet Center Director Steps Down"
365:Central Bureau for Astronomical Telegrams
331:Minor Planets and Comets Orbit Supplement
565:(July 1980). "The Minor Planet Center".
484:"Real time reporting of NEOCP follow up"
70:and publishing this information via the
916:
698:. Minor Planet Center. 19 February 2021
641:Gareth V. Williams (18 November 2010).
405:
390:List of minor planets § Main index
304:critical list of numbered minor planets
27:International astronomical organization
830:The Minor Planet Center Status Report
668:. Minor Planet Center. Archived from
618:. Minor Planet Center. Archived from
490:. Minor Planet Center. Archived from
82:Smithsonian Astrophysical Observatory
48:Smithsonian Astrophysical Observatory
7:
351:Natural Satellites Ephemeris Service
345:Natural Satellites Ephemeris Service
312:Minor Planets and Comets Supplement
106:Near-Earth Object Confirmation Page
845:, list of most-recently published
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847:Minor Planet Electronic Circulars
660:Galoche, J.L. (4 February 2015).
277:Minor Planet Electronic Circulars
72:
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862:What Makes an Asteroid a Hazard?
788:International Astronomical Union
696:Minor Planet Electronic Circular
647:Minor Planet Electronic Circular
610:Galoche, J.L. (6 January 2015).
423:International Astronomical Union
132:in 1947, under the direction of
78:International Astronomical Union
44:International Astronomical Union
1014:Astronomy data and publications
825:The MPC Orbit (MPCORB) Database
395:Meanings of minor-planet names
375:List of astronomical societies
201:The MPC periodically releases
1:
1034:Magazines established in 1947
470:10.1016/S0032-0633(96)00153-5
112:Potentially hazardous objects
418:Centres: Minor Planet Center
321:) is published on behalf of
76:. Under the auspices of the
666:The Daily Minor Planet Blog
616:The Daily Minor Planet Blog
449:Planetary and Space Science
380:List of minor-planet groups
181:2021–present: Matthew Payne
115:
90:Harvard College Observatory
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894:Asteroid Hazards, Part 3:
879:The Challenge of Detection
877:Asteroid Hazards, Part 2:
860:Asteroid Hazards, Part 1:
234:), established 1947, is a
189:
80:(IAU), it operates at the
42:under the auspices of the
196:The Minor Planet Bulletin
526:National Academies Press
515:"Paul Herget: 1908–1981"
130:University of Cincinnati
1024:Astronomy organizations
462:1998P&SS...46..299M
288:positional observations
255:Naming of Minor Planets
186:Periodical publications
86:Center for Astrophysics
84:, which is part of the
249:Minor Planet Circulars
219:Minor Planet Circulars
73:Minor Planet Circulars
764:. Minor Planet Center
762:"MPC/MPO/MPS Archive"
742:. Minor Planet Center
720:. Minor Planet Center
385:List of minor planets
296:unusual minor planets
66:), calculating their
18:Minor Planet Circular
1019:Astronomy magazines
819:MPC/MPO/MPS Archive
740:"MPC: Publications"
581:1980CeMec..22...63M
568:Celestial Mechanics
32:Minor Planet Center
589:10.1007/BF01228757
528:. pp. 64–65.
236:scientific journal
211:natural satellites
102:near-Earth objects
834:Matthew J. Holman
16:(Redirected from
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116:§ Videos
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60:minor planets
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40:minor planets
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974:Solar System
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843:Recent MPECs
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791:. Retrieved
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766:. Retrieved
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744:. Retrieved
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722:. Retrieved
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700:. Retrieved
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674:. Retrieved
670:the original
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624:. Retrieved
620:the original
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575:(1): 63–71.
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496:. Retrieved
492:the original
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456:(2–3): 299.
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426:. Retrieved
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370:IAU Circular
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962:Outer space
950:Spaceflight
905:(min. 5:38)
888:(min. 7:14)
871:(min. 6:04)
724:22 February
702:22 February
269:(see below)
203:astrometric
175:2015–2021:
169:2006–2015:
163:1978–2006:
159:Paul Herget
157:1947–1978:
134:Paul Herget
98:astrometric
1008:Categories
793:2017-11-07
676:1 December
488:NEOCP Blog
401:References
253:(also see
986:Education
926:Astronomy
597:119526916
265:Circulars
261:Circulars
244:Circulars
240:full moon
152:Directors
64:asteroids
62:(such as
626:20 April
544:45729798
498:20 April
428:20 April
359:See also
298:and all
54:Function
998:Science
912:Portals
902:YouTube
885:YouTube
868:YouTube
577:Bibcode
458:Bibcode
124:History
853:Videos
595:
542:
532:
300:comets
292:orbits
225:M.P.C.
207:comets
194:, see
68:orbits
938:Stars
768:6 May
746:6 May
593:S2CID
518:(PDF)
283:MPECs
110:(see
770:2016
748:2016
726:2021
704:2021
678:2015
628:2016
540:OCLC
530:ISBN
500:2016
430:2016
349:The
328:The
309:The
290:and
274:The
231:MPCs
209:and
192:ALPO
114:and
30:The
900:on
883:on
866:on
585:doi
466:doi
337:MPO
323:IAU
318:MPS
294:of
228:or
36:MPC
1010::
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.