MPEC 2021-K12 : 2021 KA
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M.P.E.C. 2021-K12 Issued 2021 May 17, 01:48 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 KA
Observations:
K21K00A C2021 05 15.27018 14 31 27.71 +43 07 01.0 20.8 GVEK012G96
K21K00A C2021 05 15.27560 14 31 36.98 +43 06 18.6 21.6 GVEK012G96
K21K00A C2021 05 15.28087 14 31 46.11 +43 05 35.5 21.2 GVEK012G96
K21K00A* C2021 05 16.28444315 08 11.72 +40 10 59.6 20.24GVEK012G96
K21K00A C2021 05 16.28958315 08 22.61 +40 09 49.7 20.03GVEK012G96
K21K00A C2021 05 16.29474415 08 33.42 +40 08 39.9 20.02GVEK012G96
K21K00A C2021 05 16.29990515 08 44.28 +40 07 29.5 19.99GVEK012G96
K21K00A C2021 05 16.36896915 11 10.14 +39 50 26.2 20.4 GVEK012H01
K21K00A C2021 05 16.37227915 11 17.40 +39 49 35.7 20.4 GVEK012H01
K21K00A KC2021 05 16.37924415 11 34.62 +39 48 16.7 20.53GVEK012I52
K21K00A KC2021 05 16.38023515 11 36.80 +39 48 01.4 19.99GVEK012I52
K21K00A KC2021 05 16.38122215 11 38.97 +39 47 46.0 20.07GVEK012I52
K21K00A KC2021 05 16.38221015 11 41.13 +39 47 30.8 20.13GVEK012I52
K21K00A C2021 05 16.38366915 11 42.46 +39 46 40.7 20.5 GVEK012H01
K21K00A C2021 05 16.39010715 11 56.72 +39 45 00.8 20.3 GVEK012H01
K21K00A C2021 05 16.75981515 27 58.40 +38 09 34.6 20.3 rVEK012N51
K21K00A C2021 05 16.76614615 28 13.03 +38 07 45.1 20.3 rVEK012N51
K21K00A 1C2021 05 16.84541 15 32 01.30 +37 39 49.5 20.5 VVEK012033
K21K00A 1C2021 05 16.84598 15 32 02.75 +37 39 39.5 20.3 VVEK012033
K21K00A 1C2021 05 16.84656 15 32 04.14 +37 39 29.8 20.6 VVEK012033
K21K00A 1C2021 05 16.84714 15 32 05.57 +37 39 19.9 20.1 VVEK012033
K21K00A KC2021 05 16.94373215 36 10.87 +37 11 40.0 19.9 GVEK012I93
K21K00A KC2021 05 16.95315015 36 33.79 +37 08 47.2 19.7 GVEK012I93
K21K00A KC2021 05 16.96137315 36 53.72 +37 06 14.2 19.0 GVEK012I93
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, U. Laux, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m
f/3 Schmidt + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers E. J. Christensen,
B. Gray, D. Rankin, F. C. Shelly, 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, R. L. Seaman, 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 D. C. Fuls. 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. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
N51 GROWTH India Telescope, IAO, Hanle. Observers K. Sharma, H. Kumar, S.
Joharle, J. Stanzin, V. Bhalerao, G. C. Anupama, S. Barway. Measurer K.
Sharma. 0.70-m f/6.5 Corrected Dall-Kirkham + CCD.
Orbital elements:
2021 KA Earth MOID = 0.0068 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 277.88136 (2000.0) P Q
n 0.54866437 Peri. 171.43446 -0.58154361 +0.81005510
a 1.4777406 Node 62.97321 -0.75128198 -0.49942976
e 0.3107666 Incl. 4.82659 -0.31206157 -0.30721433
P 1.80 H 27.64 G 0.15 U 7
Residuals in seconds of arc
210515 G96 0.2- 0.0 210516 H01 0.1+ 0.0 210516 N51 0.3+ 1.3-
210515 G96 0.3+ 0.3+ 210516 I52 0.3- 0.2+ 210516 033 0.1- 0.4+
210515 G96 (2.0+ 0.9-) 210516 I52 0.2- 0.2+ 210516 033 0.4+ 0.0
210516 G96 (1.0+ 0.6-) 210516 I52 0.1- 0.1- 210516 033 0.1- 0.2+
210516 G96 (1.5+ 1.0-) 210516 I52 0.2- 0.2- 210516 033 0.0 0.1+
210516 G96 0.4+ 0.6- 210516 H01 0.1+ 0.0 210516 I93 0.1+ 0.2+
210516 G96 0.3- 0.3- 210516 H01 0.2+ 0.1- 210516 I93 0.8+ 0.5+
210516 H01 0.0 0.1+ 210516 N51 0.5- 0.2- 210516 I93 0.5+ 0.0
Ephemeris:
2021 KA a,e,i = 1.48, 0.31, 5 q = 1.0185
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 04 17 11 40 05.6 +43 01 57 0.09343 1.0536 120.0 55.6 24.6
...
2021 05 02 12 01 14.1 +45 32 29 0.05234 1.0267 109.8 67.5 23.7
...
2021 05 10 12 49 06.0 +46 28 00 0.03011 1.0199 108.8 69.6 22.5
...
2021 05 16 14 57 06.5 +41 09 06 0.01483 1.0184 119.3 60.0 20.7
2021 05 17 15 38 25.3 +36 55 45 0.01284 1.0185 123.8 55.6 20.2
2021 05 18 16 25 48.2 +30 09 13 0.01128 1.0186 129.1 50.4 19.8
...
2021 05 24 20 16 46.2 -24 19 19 0.01633 1.0213 121.8 57.5 20.8
...
2021 06 01 21 41 56.0 -38 09 10 0.03759 1.0296 113.6 64.5 22.9
...
2021 06 16 22 11 48.8 -42 38 23 0.07946 1.0589 121.0 55.3 24.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-K12
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