MPEC 2021-F78 : 2021 FA2
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M.P.E.C. 2021-F78 Issued 2021 March 22, 19:44 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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 FA2
Observations:
K21F02A* C2021 03 20.45430914 34 11.82 -16 04 56.0 20.76GVEF078V00
K21F02A C2021 03 20.45919014 34 07.72 -16 04 48.0 20.75GVEF078V00
K21F02A C2021 03 20.46407014 34 03.65 -16 04 39.6 20.86GVEF078V00
K21F02A C2021 03 20.46894814 33 59.58 -16 04 32.0 20.19GVEF078V00
K21F02A KC2021 03 20.49448914 33 38.25 -16 03 50.3 20.12GVEF078I52
K21F02A KC2021 03 20.49701214 33 36.15 -16 03 45.7 20.03GVEF078I52
K21F02A KC2021 03 20.49953414 33 34.08 -16 03 42.3 21.28GVEF078I52
K21F02A KC2021 03 20.58945014 32 23.03 -16 00 16.9 20.3 GVEF078474
K21F02A KC2021 03 20.59126714 32 21.54 -16 00 14.2 20.4 GVEF078474
K21F02A KC2021 03 20.59308314 32 20.05 -16 00 11.4 20.0 GVEF078474
K21F02A KC2021 03 20.59489914 32 18.54 -16 00 08.5 20.5 GVEF078474
K21F02A KC2021 03 21.05033414 26 15.35 -15 48 39.0 VEF078I93
K21F02A KC2021 03 21.05765514 26 09.50 -15 48 27.6 20.6 GVEF078I93
K21F02A pC2021 03 21.10901714 25 27.89 -15 47 01.3 20.6 GVEF078L01
K21F02A MC2021 03 21.11232114 25 25.22 -15 46 56.0 20.3 GVEF078L01
K21F02A KC2021 03 21.11572714 25 22.54 -15 46 49.5 20.6 GVEF078L01
K21F02A KC2021 03 22.34753014 10 02.21 -15 11 32.2 20.9 VuEF078H21
K21F02A KC2021 03 22.35324914 09 58.02 -15 11 22.6 20.6 VuEF078H21
K21F02A KC2021 03 22.60918714 06 57.49 -15 02 56.2 20.6 GVEF078474
K21F02A KC2021 03 22.61158314 06 55.76 -15 02 51.7 20.9 GVEF078474
K21F02A KC2021 03 22.61398214 06 54.07 -15 02 48.1 20.2 GVEF078474
K21F02A KC2021 03 22.61637914 06 52.36 -15 02 43.4 20.6 GVEF078474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
I93 St Pardon de Conques. Observers F. Losse, W. D'Anna. Measurer F. Losse.
0.40-m f/3.7 reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, F. Hrzenjak. Measurer
K. Korlevic. 1.0-m f/2.9 reflector + CCD.
V00 Kitt Peak-Bok. Observer H. Groeller. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
Wierzchos. 2.25-m reflector + CCD.
Orbital elements:
2021 FA2 Earth MOID = 0.0171 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Pike
M 341.43158 (2000.0) P Q
n 0.51314988 Peri. 59.30352 +0.43691980 -0.89940868
a 1.5451592 Node 4.84282 +0.76443314 +0.36374608
e 0.7421694 Incl. 8.75465 +0.47407073 +0.24238980
P 1.92 H 22.79 G 0.15 U 8
Residuals in seconds of arc
210320 V00 0.0+ 0.1- 210320 474 0.2+ 0.0- 210322 H21 0.2+ 0.1+
210320 V00 0.2- 0.1- 210320 474 0.4+ 0.2- 210322 H21 0.1- 0.3-
210320 V00 0.1- 0.3+ 210320 474 0.2+ 0.2- 210322 474 0.0+ 0.1-
210320 V00 0.0- 0.1- 210321 I93 0.6+ 0.4+ 210322 474 0.3- 0.2+
210320 I52 0.0- 0.3- 210321 I93 0.6+ 0.4- 210322 474 0.1+ 0.4-
210320 I52 0.0- 0.1+ 210321 L01 0.1- 0.2+ 210322 474 0.1+ 0.1+
210320 I52 0.4+ 0.6- 210321 L01 0.7- 0.1-
210320 474 0.1+ 0.2+ 210321 L01 0.2- 0.6+
Ephemeris:
2021 FA2 a,e,i = 1.55, 0.74, 9 q = 0.3984
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 02 20 20 50 14.1 -07 08 09 0.2845 0.7299 20.8 151.2 28.0
...
2021 03 07 18 20 55.9 -15 14 33 0.1652 0.9527 71.4 99.1 22.4
...
2021 03 15 16 01 15.5 -17 42 30 0.1559 1.0639 112.5 59.7 21.0
...
2021 03 21 14 26 54.7 -15 49 24 0.1828 1.1435 140.8 33.4 20.8
2021 03 22 14 14 14.4 -15 21 00 0.1896 1.1564 144.8 29.8 20.8
2021 03 23 14 02 28.4 -14 51 53 0.1971 1.1693 148.6 26.4 20.8
...
2021 03 29 13 08 29.8 -12 04 25 0.2515 1.2447 167.1 10.3 20.9
...
2021 04 06 12 27 16.6 -09 18 08 0.3426 1.3404 171.5 6.3 21.6
...
2021 04 21 11 54 56.0 -06 36 34 0.5501 1.5066 150.0 19.5 23.4
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-F78
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