[Iaude] MPEC V245: 2021 AK3 [a=1.36,e=0.44,i=18.4,H=21.35]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Tue Nov 14 09:21:54 EST 2023
M.P.E.C. 2023-V245 Issued 2023 November 14, 14:20 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 AK3
Revision to MPEC 2021-A106
Additional Observations:
K21A03K C2012 12 13.20977 04 47 30.59 +15 15 41.6 21.5 GVEV245G96
K21A03K C2012 12 13.22391 04 47 28.45 +15 15 21.2 21.9 GVEV245G96
K21A03K KC2023 11 13.32903704 03 06.138+29 31 10.67 22.21GVEV245V06
K21A03K KC2023 11 13.34890104 03 03.647+29 30 53.14 22.62GVEV245V06
K21A03K KC2023 11 13.36876104 03 01.184+29 30 35.10 22.21GVEV245V06
K21A03K KC2023 11 13.38862304 02 58.672+29 30 17.06 22.79GVEV245V06
Observer details:
G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers B. Gray, D. Rankin,
F. C. Shelly. 1.5-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer J. K. Hogan. Measurers E. C.
Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m reflector +
1K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
121213 G96 3.16+ 0.74+ 231113 V06 0.75+ 0.11+ E2021-B25 -0.65 days
Orbital elements:
2021 AK3 Earth MOID = 0.1710 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 189.43365 (2000.0) P Q
n 0.62188158 Peri. 325.40765 -0.79360747 +0.53200057
a 1.3593488 Node 249.43483 -0.46230161 -0.84272159
e 0.4358510 Incl. 18.38061 -0.39555582 -0.08243610
P 1.58 H 21.35 G 0.15 U 1
Residuals in seconds of arc
121213 G96 0.2- 0.2+ 210112 I52 0.1+ 0.1- 210205 807 0.2- 0.3-
121213 G96 0.3+ 0.3+ 210112 I52 0.2+ 0.8- 210205 474 0.2+ 0.1-
210107 F52 0.0 0.2- 210112 I52 0.3- 0.3+ 210205 474 0.4+ 0.1-
210107 F52 0.2+ 0.0 210112 I52 1.1- 1.3+ 210205 474 0.2+ 0.0
210107 F52 0.2+ 0.1+ 210115 807 0.7+ 0.3- 210205 474 0.2+ 0.2-
210108 I52 0.7- 0.7- 210115 807 0.5+ 0.7- 210212 474 0.2+ 0.1-
210108 I52 0.1+ 0.4- 210115 807 0.2+ 0.4- 210212 474 0.4- 0.4+
210108 I52 0.1+ 0.3+ 210115 474 0.1+ 0.2- 210212 474 0.2+ 0.1-
210108 I52 0.6+ 0.1+ 210115 474 0.4+ 0.1+ 210212 474 0.3- 1.3+
210109 807 0.3+ 0.2- 210115 474 0.4- 0.2- 210222 807 0.7+ 0.1-
210109 807 0.5- 0.7- 210115 474 0.1- 0.0 210222 807 0.5+ 0.0
210109 711 0.2+ 0.1+ 210116 I52 0.2- 0.2+ 210222 807 0.6+ 0.1-
210109 711 1.0- 1.0- 210116 I52 0.2- 0.1- 210303 807 0.3+ 0.1+
210109 711 0.1- 0.2+ 210116 I52 0.1+ 0.2+ 210303 807 0.2+ 0.2-
210109 474 0.8+ 0.7- 210116 I52 0.6- 0.3- 210303 807 0.5+ 0.3-
210109 474 0.4- 0.8+ 210202 807 0.5- 0.3+ 231113 V06 0.4- 0.2+
210109 474 0.2+ 0.2+ 210202 807 1.4- 0.2+ 231113 V06 0.3- 0.2+
210109 474 0.2+ 0.6- 210202 807 0.7- 0.2+ 231113 V06 0.2+ 0.2-
210111 I52 0.3+ 0.4- 210205 807 0.2- 0.1- 231113 V06 0.0 0.5-
210111 I52 1.5+ 0.5+ 210205 807 0.2- 0.3-
Ephemeris:
2021 AK3 a,e,i = 1.36, 0.44, 18 q = 0.7669
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 10 15 04 41 10.0 +33 32 34 1.1415 1.9141 126.9 24.6 24.2
...
2023 10 30 04 27 40.3 +32 12 09 0.9881 1.8862 144.3 17.9 23.6
...
2023 11 07 04 15 10.8 +30 54 19 0.9228 1.8681 154.8 13.0 23.3
...
2023 11 13 04 03 46.2 +29 36 00 0.8838 1.8531 163.0 9.0 23.0
2023 11 14 04 01 44.1 +29 21 13 0.8783 1.8505 164.3 8.3 23.0
2023 11 15 03 59 40.3 +29 05 56 0.8730 1.8478 165.6 7.6 22.9
...
2023 11 21 03 46 50.0 +27 24 24 0.8472 1.8311 172.3 4.2 22.7
...
2023 11 29 03 29 29.8 +24 47 06 0.8294 1.8069 168.5 6.2 22.7
...
2023 12 14 03 01 41.8 +19 27 18 0.8454 1.7553 147.1 17.7 23.1
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-V245
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