MPEC 2021-J22 : 2021 JF
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M.P.E.C. 2021-J22 Issued 2021 May 2, 21:30 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 JF
Observations:
K21J00F* C2021 05 01.40520315 21 50.81 -06 32 07.5 19.89GVEJ022G96
K21J00F C2021 05 01.41075815 21 48.54 -06 30 21.7 19.53GVEJ022G96
K21J00F C2021 05 01.41630615 21 46.34 -06 28 37.8 19.65GVEJ022G96
K21J00F C2021 05 01.42186815 21 44.17 -06 26 52.5 19.24GVEJ022G96
K21J00F C2021 05 01.43746315 21 37.36 -06 22 03.8 19.6 GVEJ022H01
K21J00F C2021 05 01.44099515 21 35.98 -06 20 57.6 19.7 GVEJ022H01
K21J00F C2021 05 01.44856815 21 33.10 -06 18 34.8 19.7 GVEJ022H01
K21J00F KC2021 05 01.45098915 21 32.71 -06 17 44.1 19.78GVEJ022I52
K21J00F KC2021 05 01.45195915 21 32.35 -06 17 25.7 19.24GVEJ022I52
K21J00F C2021 05 01.45557815 21 30.42 -06 16 22.3 19.4 GVEJ022H01
K21J00F KC2021 05 01.47266415 21 24.44 -06 10 55.8 19.03GVEJ022I52
K21J00F KC2021 05 01.47382415 21 24.02 -06 10 34.8 19.12GVEJ022I52
K21J00F KC2021 05 01.97183015 19 09.52 -03 40 34.4 19.2 GVEJ022I93
K21J00F KC2021 05 01.98636915 19 04.21 -03 36 19.0 19.5 GVEJ022I93
K21J00F KC2021 05 01.99299015 19 01.76 -03 34 22.7 19.1 GVEJ022I93
K21J00F KC2021 05 02.27309315 17 43.77 -02 12 44.4 19.68GVEJ022I52
K21J00F KC2021 05 02.27385115 17 43.45 -02 12 31.4 19.40GVEJ022I52
K21J00F KC2021 05 02.27460615 17 43.28 -02 12 22.8 19.98GVEJ022I52
K21J00F KC2021 05 02.81805 15 15 06.05 +00 16 16.7 20.1 GVEJ022N82
K21J00F KC2021 05 02.82597 15 15 03.48 +00 18 22.3 19.8 GVEJ022N82
K21J00F KC2021 05 02.83388 15 15 00.80 +00 20 28.7 19.9 GVEJ022N82
Observer details:
G96 Mt. Lemmon Survey. Observer D. Rankin. 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. 1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer K. W. Wierzchos.
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.
N82 Multa Observatory. Observer L. Elenin. 0.4-m f/1.25 reflector + CCD.
Orbital elements:
2021 JF Earth MOID = 0.0232 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 339.95011 (2000.0) P Q
n 1.04996200 Peri. 227.88799 +0.05607724 -0.99183436
a 0.9587094 Node 219.34142 +0.96106302 +0.08471287
e 0.1347390 Incl. 10.40955 +0.27057942 -0.09533271
P 0.94 H 26.34 G 0.15 U 6
Residuals in seconds of arc
210501 G96 0.1+ 0.3- 210501 I52 0.0 0.0 210501 I93 0.2+ 0.2+
210501 G96 0.4- 0.7+ 210501 I52 0.3+ 0.1+ 210502 I52 0.3+ 0.2-
210501 G96 0.1- 0.1- 210501 H01 0.2- 0.2+ 210502 I52 0.2- 0.1-
210501 G96 0.6+ 0.3+ 210501 I52 0.1- 0.7+ 210502 I52 (1.4+ 4.4-)
210501 H01 0.0 0.2- 210501 I52 0.0 0.1- 210502 N82 0.5- 0.6+
210501 H01 0.3- 0.6- 210501 I93 0.9- 1.4+ 210502 N82 0.5+ 0.2-
210501 H01 0.0 0.5- 210501 I93 0.1+ 0.5+ 210502 N82 0.3- 0.0
Ephemeris:
2021 JF a,e,i = 0.96, 0.13, 10 q = 0.8295
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 02 00 50 26.7 -68 50 43 0.08632 0.9787 73.7 101.5 24.7
...
2021 04 17 20 00 23.5 -76 07 22 0.04378 1.0114 98.8 78.7 22.3
...
2021 04 25 16 15 19.2 -46 58 25 0.02871 1.0272 137.1 41.8 20.3
...
2021 05 01 15 24 07.7 -08 39 09 0.03135 1.0379 165.9 13.7 19.7
2021 05 02 15 18 57.2 -03 29 17 0.03309 1.0396 164.2 15.3 19.9
2021 05 03 15 14 20.7 +01 07 07 0.03509 1.0413 161.3 18.1 20.1
...
2021 05 09 14 54 51.2 +19 09 41 0.05084 1.0508 143.5 34.9 21.4
...
2021 05 17 14 41 26.4 +29 08 58 0.07634 1.0619 129.9 46.9 22.7
...
2021 06 01 14 34 16.0 +34 11 36 0.1270 1.0774 116.9 57.1 24.1
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-J22
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