[Iaude] MPEC X136: 2021 AH3 [a=1.29,e=0.65,i=33.9,H=20.14]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Thu Dec 7 09:11:54 EST 2023
M.P.E.C. 2023-X136 Issued 2023 December 7, 14:10 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 AH3
Revision to MPEC 2021-A104
Additional Observations:
K21A03H C2023 11 13.45768 09 10 44.40 -17 25 58.9 22.3 GVEX136I52
K21A03H C2023 11 13.46078 09 10 43.99 -17 25 54.3 21.7 GVEX136I52
K21A03H C2023 11 23.47190 08 46 54.11 -13 04 26.4 22.1 GVEX136I52
K21A03H C2023 11 23.47742 08 46 53.16 -13 04 16.2 21.1 GVEX136I52
K21A03H C2023 12 05.55128608 07 56.403-05 56 47.91 20.78wXEX136F51
K21A03H C2023 12 05.56572208 07 53.086-05 56 12.42 20.90wXEX136F51
K21A03H C2023 12 05.59755408 07 45.754-05 54 53.60 20.61wXEX136F51
K21A03H 1C2023 12 07.37263808 01 02.665-04 40 19.78 20.86GVEX136G96
K21A03H 1C2023 12 07.38292908 01 00.214-04 39 54.07 20.59GVEX136G96
K21A03H 1C2023 12 07.38808808 00 58.986-04 39 40.90 20.24GVEX136G96
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. 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. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers J. K. Hogan, K. W.
Wierzchos. Measurers B. Gray, D. Rankin, F. C. Shelly. 1.0-m f/2.0 prime
focus + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231113 I52 0.02- 0.12- 231207 G96 0.05- 0.10- MPO782730 +0.03 days
Orbital elements:
2021 AH3 Earth MOID = 0.3137 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 359.33635 (2000.0) P Q
n 0.67563445 Peri. 210.05123 +0.60235589 +0.58473008
a 1.2862583 Node 103.21279 -0.57481159 +0.79007693
e 0.6509825 Incl. 33.92810 -0.55385830 -0.18403583
P 1.46 H 20.14 G 0.15 U 1
Residuals in seconds of arc
210107 F51 0.0 0.1+ 210109 691 0.2+ 0.4- 210114 807 0.0 0.3+
210107 F51 0.1+ 0.1+ 210110 H36 0.0 0.3+ 210115 F52 0.2- 0.1+
210107 F51 0.1+ 0.1+ 210110 H36 0.2+ 0.8+ 210115 F52 0.1- 0.2+
210108 807 0.0 0.6- 210110 I52 0.6+ 0.3+ 210115 F52 0.0 0.3-
210108 807 0.0 0.1- 210110 I52 0.5+ 0.6- 210116 I52 0.1+ 0.3-
210108 807 0.4- 0.1- 210110 I52 0.0 0.0 210116 I52 0.0 0.1-
210108 858 0.2+ 0.7- 210110 I52 0.0 0.6+ 210116 I52 0.0 0.1+
210108 858 0.0 0.5+ 210110 H36 0.7+ 0.2+ 210116 I52 0.1+ 0.0
210108 I52 0.5- 0.3+ 210111 I52 0.1- 0.0 231113 I52 0.1- 0.2-
210108 I52 0.0 0.2+ 210111 I52 0.2- 0.2+ 231113 I52 0.2- 0.1+
210108 858 0.1+ 0.3+ 210111 I52 0.2+ 0.2- 231123 I52 0.3+ 0.1-
210108 I52 0.0 0.1- 210112 I52 0.5- 0.8- 231123 I52 0.1+ 0.2+
210108 I52 0.0 0.5- 210112 I52 0.3- 0.1- 231205 F51 0.1+ 0.1+
210109 858 0.5+ 0.2+ 210112 I52 (0.3- 2.1-) 231205 F51 0.2+ 0.1-
210109 858 0.4- 0.1- 210112 I52 0.3+ 0.0 231205 F51 0.1+ 0.0
210109 711 0.5- 0.5- 210112 807 0.2+ 0.4- 231207 G96 0.1+ 0.4+
210109 711 0.4- 0.3- 210112 807 (0.0 0.8-) 231207 G96 0.1- 0.3-
210109 711 0.3- 0.6- 210112 807 0.2+ 0.3- 231207 G96 0.1- 0.3-
210109 691 0.2+ 0.1+ 210114 807 0.0 0.1-
210109 691 0.1+ 0.3+ 210114 807 0.4- 0.2+
Ephemeris:
2021 AH3 a,e,i = 1.29, 0.65, 34 q = 0.4489
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 07 09 23 18.5 -19 45 32 0.5960 1.0269 76.1 69.6 21.5
...
2023 11 22 08 50 50.2 -13 47 14 0.5457 1.1944 98.2 55.0 21.2
...
2023 11 30 08 27 21.1 -09 30 33 0.5193 1.2765 112.2 45.7 21.0
...
2023 12 06 08 06 15.9 -05 38 08 0.5053 1.3348 123.9 37.8 20.8
2023 12 07 08 02 28.4 -04 56 05 0.5038 1.3443 125.9 36.4 20.8
2023 12 08 07 58 36.6 -04 13 10 0.5025 1.3537 128.0 35.0 20.7
...
2023 12 14 07 34 10.4 +00 19 33 0.5010 1.4085 140.7 26.3 20.6
...
2023 12 22 07 00 02.8 +06 40 15 0.5199 1.4776 157.6 14.7 20.4
...
2024 01 06 06 03 24.4 +16 53 44 0.6262 1.5957 164.6 9.4 20.8
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-X136
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