MPEC 2023-E101 : 2021 FP
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M.P.E.C. 2023-E101 Issued 2023 March 15, 14:05 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 FP
Revision to MPEC 2021-F38
Additional Observations:
K21F00P C2015 03 18.34701109 08 35.653-07 18 39.65 20.50GVEE101F51
K21F00P C2015 03 18.35992109 08 32.225-07 16 37.36 20.81GVEE101F51
K21F00P C2015 03 18.37290809 08 28.760-07 14 33.95 20.91GVEE101F51
K21F00P C2015 03 18.38580709 08 25.314-07 12 30.99 21.02GVEE101F51
K21F00P C2015 03 19.34380809 04 31.276-04 42 45.43 21.17GVEE101F51
K21F00P C2015 03 19.35677809 04 27.992-04 40 45.07 21.24GVEE101F51
K21F00P C2015 03 19.38262309 04 21.462-04 36 45.48 21.13GVEE101F51
K21F00P C2015 03 22.28131408 53 47.486+02 30 24.33 21.75GVEE101F51
K21F00P C2015 03 22.29505808 53 44.537+02 32 19.08 21.75GVEE101F51
K21F00P C2021 03 20.50935012 20 04.939+19 27 26.05 19.76GVEE101F52
K21F00P C2021 03 20.52282912 19 58.202+19 30 38.20 19.53GVEE101F52
K21F00P C2021 03 20.54974012 19 44.689+19 37 01.63 19.68GVEE101F52
K21F00P KC2023 03 14.45426714 20 00.726+01 06 58.43 20.53GVEE101I52
K21F00P KC2023 03 14.45544114 20 00.625+01 07 10.31 20.51GVEE101I52
K21F00P KC2023 03 14.45662114 20 00.470+01 07 23.34 20.42GVEE101I52
K21F00P KC2023 03 14.45779214 20 00.337+01 07 36.19 20.41GVEE101I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
Measurers E. J. Christensen, 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, A. Serrano, F. C. Shelly,
K. W. Wierzchos. 1.0-m 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
150318 F51 0.38- 0.08- 230314 I52 0.18- 0.04- MPO641165 +0.04 days
Orbital elements:
2021 FP Earth MOID = 0.1521 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 189.02475 (2000.0) P Q
n 1.49022536 Peri. 171.18556 +0.97866677 +0.20123165
a 0.7591042 Node 176.32548 -0.20454454 +0.93535334
e 0.5492661 Incl. 40.28496 +0.01931042 -0.29089509
P 0.66 H 22.78 G 0.15 U 1
Residuals in seconds of arc
150318 F51 0.2- 0.2+ 210319 I52 0.1+ 0.2+ 210320 H21 0.0 0.2-
150318 F51 0.1+ 0.1- 210319 I52 0.1+ 0.3- 210320 H21 0.0 0.3-
150318 F51 0.1+ 0.0 210319 I52 0.2+ 0.1+ 210320 H21 0.1- 0.3-
150318 F51 0.1- 0.5+ 210319 I52 0.1+ 0.0 210320 F52 0.0 0.2+
150319 F51 0.0 0.2- 210319 033 0.0 0.3+ 210320 F52 0.4+ 0.1+
150319 F51 0.0 0.0 210319 033 0.1+ 0.2+ 210320 F52 0.0 0.1+
150319 F51 0.0 0.1+ 210319 033 0.1- 0.2+ 210322 I52 0.1- 0.6-
150322 F51 0.0 0.1- 210319 033 0.3- 0.2- 210322 I52 (1.3+ 3.3-)
150322 F51 0.1+ 0.5- 210319 A17 0.4- 0.0 210322 I52 0.2+ 0.6-
210315 F51 0.2+ 0.6- 210319 A17 0.3+ 0.3+ 210322 I52 0.3+ 0.4+
210315 F51 0.0 0.3+ 210319 A17 0.3- 0.2+ 210331 I52 0.0 0.6-
210318 703 0.8- 1.1- 210319 I93 0.4- 0.0 210331 I52 0.1+ 0.3-
210318 703 0.4- 1.6- 210319 I93 0.4+ 0.3- 210331 I52 0.2- 0.0
210318 703 0.4+ 0.4+ 210319 595 0.7+ 0.5+ 210331 I52 0.0 0.3-
210318 F51 0.1+ 0.1- 210319 I93 0.4+ 0.1+ 210406 H21 0.4+ 0.3+
210318 F51 0.1+ 0.0 210319 595 0.2+ 0.5+ 210406 H21 0.2- 0.0
210318 F51 0.1- 0.4+ 210319 L01 0.1+ 0.0 210406 H21 0.3- 0.0
210319 G96 0.1+ 0.0 210319 L01 0.1+ 0.1+ 230314 I52 0.5- 0.3+
210319 G96 0.0 0.2+ 210319 L01 0.2+ 0.2+ 230314 I52 0.1- 0.6-
210319 G96 0.3+ 0.2- 210319 L01 0.1- 0.0 230314 I52 0.5- 0.4-
210319 G96 0.1+ 0.4+ 210319 L01 0.1+ 0.4+ 230314 I52 0.5- 0.3-
Ephemeris:
2021 FP a,e,i = 0.76, 0.55, 40 q = 0.3422
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 02 13 14 20 01.3 -33 27 34 0.4962 1.1740 99.2 56.1 23.6
...
2023 02 28 14 28 04.0 -24 38 59 0.3284 1.1712 115.8 49.6 22.6
...
2023 03 08 14 26 36.3 -14 07 02 0.2447 1.1589 127.9 42.5 21.7
...
2023 03 14 14 20 42.7 -00 13 49 0.1927 1.1447 138.1 35.4 21.0
2023 03 15 14 19 08.2 +02 48 19 0.1856 1.1419 139.6 34.4 20.8
2023 03 16 14 17 20.8 +06 04 16 0.1791 1.1389 140.8 33.5 20.7
...
2023 03 22 14 00 33.1 +29 52 09 0.1566 1.1188 138.8 35.9 20.5
...
2023 03 30 13 06 59.7 +61 19 39 0.1775 1.0851 114.9 56.6 21.3
...
2023 04 14 07 20 30.3 +78 27 40 0.2992 0.9993 80.8 82.1 23.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-E101
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