Listed below are Editorial Notices and other announcements
published in the Minor Planet Electronic Circulars (MPECs)
that are otherwise difficult to locate.
Circular |
Subject |
Date |
MPEC 2024-U264 |
A new 'B' flag in the NEOCP Note
column |
2024 Oct 31 |
MPEC 2024-S182 |
Edgar Wilson Award |
2024 Sep 30 |
MPEC 2024-N07 |
Deletion of 2023 JW34 |
2024 Jul 01 |
MPEC 2024-J297 |
Deletion of 2024 JV8 |
2024 May 13 |
MPEC 2024-J105 |
Editorial Notice: The IAU WGSBN
announces the scheduled move of the Name Submission/Voting site from the
MPC server to the WSGBN website |
2024 May 06 |
MPEC 2024-F100 |
Editorial Notice: Daily Orbit
Update MPEC 2024-F98 retracted |
2024 Mar 29 |
MPEC 2024-B180 |
Editorial Notice: A minor update
to the digest2 code |
2024 Jan 31 |
MPEC 2024-B152 |
Retraction of M.P.E.C. 2023-B144
and P/2023 X5 |
2024 Jan 29 |
MPEC 2023-X224 |
Retraction of MPEC 2023-X222 and
MPEC 2023-X223 |
2023 Dec 12 |
MPEC 2023-P34 |
Deletion of 2015 LA65 |
2023 Aug 07 |
MPEC 2023-P03 |
Digest2 updates |
2023 Aug 01 |
MPEC 2023-N44 |
Retraction of 2023 NM |
2023 Jul 10 |
MPEC 2023-M165 |
MPC planned power outage -
Saturday 8 July 2023 |
2023 Jun 29 |
MPEC 2022-U222 |
International Asteroid Warning
Network (IAWN) Timing Campaign |
2022 Oct 24 |
MPEC 2022-U79 |
Deletion of 2022 UQ1 |
2022 Oct 20 |
MPEC 2022-T103 |
Revised Text at the top of MPECs |
2022 Oct 07 |
MPEC 2022-T98 |
Maunakea observatory codes |
2022 Oct 06 |
MPEC 2022-M08 |
Deprecation of MPC Web Pages |
2022 Jun 17 |
MPEC 2021-U198 |
Editorial: MPC planned power
outage - Saturday 6 Nov. 2021 (Note: originally issued
as MPEC 2021-U198, duplicating the number for an already issued circular
for NEO 2021 UP3. The Editorial Notice is no longer available as an
online MPEC) |
2021 Oct 29 |
MPEC 2021-T79 |
International Asteroid Warning
Network (IAWN) Timing Campaign |
2021 Oct 05 |
MPEC 2021-S84 |
Retraction of M.P.E.C. 2021-S81 |
2021 Sep 25 |
MPEC 2021-S42 |
Announcing an update that
affects the posting of new candidates to the NEO Confirmation Page (NEOCP)
and NEO Rating
service (digest2) |
2021 Sep 19 |
MPEC 2021-L120 |
MPC planned power outage -
Saturday 12 June 2021 |
2021 Jun 10 |
MPEC 2021-J216 |
New minor planet names will be
announced via
a new IAU-approved PDF publication, the WGSBN Bulletin |
2021 May 14 |
MPEC 2021-H90 |
Suspected Artificial Objects on
the NEOCP |
2021 Apr 20 |
MPEC 2021-G106 |
Two updates that affect the
posting of new candidates to the NEO Confirmation Page (NEOCP)
1. digest2 Population Model
2. Bright objects |
2021 Apr 08 |
MPEC 2021-D81 |
Publication of Data in ADES
Format |
2021 Feb 22 |
MPEC 2021-D62 |
Deletion of 2020 SO |
2021 Feb 19 |
MPEC 2021-D61 |
JIRA Helpdesk Platform |
2021 Feb 19 |
MPEC 2021-D60 |
New Acting MPC Director Dr.
Matthew Payne |
2021 Feb 19 |
MPEC 2020-Y98 |
IAWN Planetary Defense Exercise:
Apophis |
2020 Dec 23 |
MPEC 2020-X56 |
Deletion of 2020 XA1 |
2020 Dec 07 |
MPEC 2020-X21 |
Erroneous MPECs 2020-X01 and
2020-X02 |
2020 Dec 05 |
MPEC 2020-W46 |
IAWN Planetary Defense Exercise:
Apophis |
2020 Nov 17 |
MPEC 2020-V139 |
(317) Roxane I = Olympias |
2020 Nov 14 |
MPEC 2020-T166 |
Reporting Identifications
involving Objects on the NEOCP
Note: Same content as MPEC 2020-T165
(different quotes used surrounding the word
identification) |
2020 Oct 15 |
MPEC 2020-T164 |
(3548) Eurybates I = Queta |
2020 Oct 15 |
MPEC 2020-O10 |
Retraction of 2018 SV13 |
2020 Jul 17 |
MPEC 2020-N22 |
Retraction of 2011 UH413 and
2013 QQ95 |
2020 Jul 07 |
MPEC 2020-M83 |
(65803) Didymos I = Dimorphos |
2020 Jun 23 |
MPEC 2020-K201 |
Reporting Identifications |
2020 May 27 |
MPEC 2020-H197 |
Cessation of Automatic Minor
Planet Electronic Circulars for High Eccentricity Asteroids |
2020 Apr 27 |
MPEC 2020-G97 |
Deletion of 2020 GL2 |
2020 Apr 13 |
MPEC 2020-D104 |
2020 CD3: Temporarily Captured
Object |
2020 Feb 25 |
MPEC 2020-C130 |
GARETH WILLIAMS |
2020 Feb 11 |
MPEC 2020-A113 |
Satellite S/2018 (3548) 1 of
Trojan asteroid (3548) Eurybates |
2020 Jan 10 |
MPEC 2019-O55 |
MPC Extended Numbering Scheme |
2019 Jul 24 |
MPEC 2019-O37 |
MPC Development Projects |
2019 Jul 19 |
MPEC 2019-M60 |
Recent Service Disruption |
2019 Jun 20 |
MPEC 2019-M21 |
Retraction of Orbit for 2019 KV6 |
2019 Jun 18 |
MPEC 2019-F26 |
New NEOCP Processing Pipeline is
Active |
2019 Mar 18 |
MPEC 2019-E58 |
Satellite of (41) Daphne |
2019 Mar 06 |
MPEC 2019-E37 |
New NEOCP Processing Pipeline |
2019 Mar 04 |
MPEC 2019-D16 |
Neptune XIV (Hippocamp) name
approved |
2019 Feb 20 |
MPEC 2018-W60 |
Requirements for the New MPC
Observation Acceptance Pipeline |
2018 Nov 27 |
MPEC 2018-U68 |
Retraction of 2015 VB172 |
2018 Oct 24 |
MPEC 2018-P109 |
SONIA KEYS (1961-2018) |
2018 Aug 15 |
MPEC 2018-N52 |
ADES Submissions and the new
Processing Pipeline |
2018 Jul 11 |
MPEC 2018-H54 |
Comet Magnitudes and A/ Objects |
2018 Apr 20 |
MPEC 2018-C40 |
Retraction of 2018 CU |
2018 Feb 07 |
MPEC 2017-X05 |
Minor Planet Center and HTTPS: |
2017 Dec 02 |
MPEC 2017-V17 |
New Designation Scheme for
Interstellar Objects |
2017 Nov 06 |
MPEC 2017-U32 |
Job Opportunities at the Minor
Planet Center |
2017 Oct 17 |
MPEC 2016-O402 |
Retraction of 2010 TH192 | 2016
Jul 27 |
MPEC 2016-H46 |
Satellite S/2015 (136472) 1 of
Makemake |
2016 Apr 26 |
MPEC 2015-Y31 |
Retraction of 2015 YB |
2015 Dec 19 |
MPEC 2015-S98 |
This Circular Has Been Abandoned | 2015
Sep 28 |
MPEC 2015-R66 |
Retraction of 2015 RM35 | 2015
Sep 12 |
MPEC 2015-O06 |
A new astrometry data exchange
standard has been proposed |
2015 Jul 16 |
MPEC 2015-H125 |
Deletion of 2015 HP116 | 2015
Apr 27 |
MPEC 2015-C61 |
Retraction of 2015 BS515 |
2015 Feb 12 |
MPEC 2014-X55 |
Deletion of 2014 XU3 |
2014 Dec 10 |
MPEC 2014-H70 |
Designation 2014 HC5 is being
retracted |
2014 Apr 29 |
MPEC 2013-Q25 |
2013 QW1 is to be deleted | 2013
Aug 23 |
MPEC 2013-A21 |
1. New NEOCP Landing Page 2.
NEOCP Desirability Scores
3. mpc@cfa vs obs@cfa |
2013 Jan 05 |
MPEC 2012-Y43 |
Numbering of Periodic Comets
272P-275P |
2012 Dec 31 |
MPEC 2012-V61 |
Numbering of Periodic Comets
266P-271P | 2012 Nov 10 |
MPEC 2012-F55 |
Mailing of MPECS |
2012 Mar 22 |
MPEC 2012-E38 |
Retraction of 2012 EL1 |
2012 Mar 05 |
MPEC 2012-D99 |
Deletion of 2012 DU32 |
2012 Feb 28 |
MPEC 2012-B08 |
Deletion of 2011 YH74 |
2012 Jan 19 |
MPEC 2011-E67 |
Recent observing practices ...
dramatic increase in problem batches |
2011 Mar 11 |
MPEC 2010-W10 |
BRIAN MARSDEN (1937 Aug. 5-2010
Nov. 18) | 2010 Nov 18 |
MPEC 2010-U20 |
The Minor Planet Center recently
changed the way discovery credit was assigned to new discoveries. |
2010 Oct 19 |
MPEC 2010-N23 |
Deletion of 2010 KQ = Artificial
Object | 2010 Jul 07 |
MPEC 2009-A18 |
... Seeking input on possible
programs to detect, characterize or mitigate the hazards of NEOs |
2009 Jan 02 |
MPEC 2008-M37 |
The seventeenth edition of the
MPC/CBAT "Catalogue of Cometary Orbits" |
2008 Jun 25 |
MPEC 2007-V70 |
2007 VN84 does not exist and the
designation is to be retired | 2007
Nov 09 |
MPEC 2006-R19 |
... the solar system contains
just eight "planets" |
2006 Sep 07 |
MPEC 2006-N03 |
A computer mis-hap has resulted
in the loss of several of the proposals
of names for minor planets |
2006 Jul 01 |
MPEC 2004-S73 |
The naming of (90377) Sedna =
2003 VB12 has created some controversy ... |
2004 Sep 28 |
MPEC 2003-V27 |
Orbital information
problems in the Minor Planet Center's webpages during the past few days |
2003 Nov 06 |
MPEC 2002-Y16 |
Owing to staff absences, the
batches of Minor Planet Circulars ... will be replaced by a single
mini-batch |
2002 Dec 16 |
MPEC 2002-S33 |
Staff absences from the Minor
Planet Center |
2002 Sep 21 |
MPEC 2002-Q20 |
Permission requested for
"one-night stands" to be made publicly available |
2002 Aug 22 |
MPEC 2002-D44 |
The acceptance and publication
of new names for minor planets |
2002 Feb 27 |
MPEC 2002-C06 |
The use of the Epoch 2002 May
6.0 TT (rather than 2001 Oct. 18.0 TT) will become effective after the
next batch of MPCs |
2002 Feb 02 |
MPEC 2002-A03 |
MPC funding issues | 2002
Jan 02 |
MPEC 2001-W73 |
MPC funding issues and MPC
priorities | 2001 Nov 30 |
MPEC 2001-V02 |
MPC funding issues | 2001
Nov 01 |
MPEC 2001-J16 |
Production of an MPC "mini"
batch | 2001 May 11 |
MPEC 1999-C10 |
Clarification of purpose of
Editorial Notice on
MPEC 1999-C03 |
1999 Feb 05 |
MPEC 1999-C03 |
Opinions invited whether Pluto
should be numbered (10000) |
1999 Feb 04 |
MPEC 1998-P24 |
- CfA CF rejecting all email
from some internet domains
- E-MAIL delivery options for IAUCs and MPECs
- MINOR PLANET EPHEMERIS SERVICE
- NEO CONFIRMATION PAGE enhanced
- MINOR PLANET MAILING LIST |
1998 Aug 15 |
MPEC 1997-X17 |
Introduction of Daily Orbit
Updates | 1997 Dec 15 |
MPEC 1995-M03 |
Special care in claiming TNO
discoveries at solar elongations centred around 125-130 deg. |
1995 Jun 17 |
MPEC 1995-C20 |
Policy changes:
- "uncertainty number" U introduced
- Recognition of comet recoveries
- The issuing of errata |
1995 Feb 15 |
MPEC 1993-Y05 |
Proposal to issue in these
Circulars monthly lists of the unusual minor planets | 1993 Dec 25 |
MPEC 1993-S01 |
The MPC is introducing a series
of Minor Planet Electronic Circulars (MPECs) |
1993 Sep 19 |