MPEC 2021-M76 : 2021 MF1
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M.P.E.C. 2021-M76 Issued 2021 June 23, 02:12 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 MF1
Observations:
K21M01F C2021 06 19.31019 15 57 01.45 +50 54 08.6 21.2 GVEM076G96
K21M01F C2021 06 19.31599 15 57 01.26 +50 53 32.9 22.1 GVEM076G96
K21M01F C2021 06 19.32179 15 57 01.09 +50 52 57.4 VEM076G96
K21M01F* C2021 06 21.25132615 56 40.34 +47 32 44.2 20.73GVEM076G96
K21M01F C2021 06 21.25706115 56 40.26 +47 32 07.1 21.01GVEM076G96
K21M01F C2021 06 21.26278215 56 40.16 +47 31 30.4 21.28GVEM076G96
K21M01F C2021 06 21.26853515 56 39.98 +47 30 53.5 20.79GVEM076G96
K21M01F KC2021 06 21.37921315 56 38.00 +47 19 04.4 21.27GVEM076I52
K21M01F KC2021 06 21.38228415 56 38.00 +47 18 43.7 20.60GVEM076I52
K21M01F KC2021 06 21.38535615 56 37.99 +47 18 24.7 20.47GVEM076I52
K21M01F C2021 06 21.85716315 56 34.68 +46 28 07.5 21.3 rVEM076N51
K21M01F C2021 06 21.86305515 56 34.60 +46 27 29.0 21.3 rVEM076N51
K21M01F KC2021 06 22.15512715 56 35.08 +45 56 15.5 21.59GVEM076I52
K21M01F KC2021 06 22.15821715 56 35.01 +45 55 55.6 20.70GVEM076I52
K21M01F KC2021 06 22.16130615 56 34.99 +45 55 35.2 21.39GVEM076I52
K21M01F KC2021 06 22.90054215 56 30.63 +44 35 28.2 21.1 GVEM076L01
K21M01F KC2021 06 22.91075815 56 30.50 +44 34 21.3 21.2 GVEM076L01
K21M01F KC2021 06 22.91865315 56 30.47 +44 33 28.9 21.0 GVEM076L01
K21M01F KC2021 06 22.94973715 56 30.43 +44 30 04.0 20.4 GVEM076J95
K21M01F KC2021 06 22.97485415 56 30.13 +44 27 19.5 20.6 GVEM076J95
K21M01F KC2021 06 22.99199815 56 29.95 +44 25 26.2 21.1 GVEM076J95
Observer details:
G96 Mt. Lemmon Survey. Observer D. Rankin. Measurers B. Gray, D. Rankin, F.
C. Shelly, 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, R. L. Seaman, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, I. Lyon, G. Kervina.
Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
N51 GROWTH India Telescope, IAO, Hanle. Observers K. Sharma, H. Kumar, U.
Stanzin, V. Bhalerao, G. C. Anupama, S. Barway. Measurer K. Sharma.
0.70-m f/6.5 Corrected Dall-Kirkham + CCD.
Orbital elements:
2021 MF1 Earth MOID = 0.1459 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 44.44836 (2000.0) P Q
n 0.53588183 Peri. 73.02772 -0.82991319 +0.08853803
a 1.5011475 Node 109.08321 -0.20177162 -0.96812622
e 0.3818269 Incl. 35.65146 +0.52012721 -0.23429177
P 1.84 H 20.96 G 0.15 U 9
Residuals in seconds of arc
210619 G96 0.3+ 0.0 210621 I52 0.6- 0.2+ 210622 I52 0.0 0.4-
210619 G96 0.1- 0.1- 210621 I52 0.2- 0.8- 210622 L01 0.1- 0.0
210619 G96 0.4- 0.1+ 210621 I52 0.2+ 0.0 210622 L01 0.1- 0.0
210621 G96 (0.2+ 1.1+) 210621 N51 0.9+ 0.6- 210622 L01 0.7+ 0.6-
210621 G96 0.5+ 0.4+ 210621 N51 0.8+ 0.9- 210622 J95 0.1- 0.1+
210621 G96 0.6+ 0.2+ 210622 I52 0.2- 0.3+ 210622 J95 0.2- 0.4+
210621 G96 0.0 0.0 210622 I52 0.3- 0.2+ 210622 J95 0.1- 0.2-
Ephemeris:
2021 MF1 a,e,i = 1.50, 0.38, 36 q = 0.9280
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 24 16 46 07.0 +82 34 22 0.5268 1.0274 76.6 73.5 22.2
...
2021 06 08 16 03 52.1 +67 30 56 0.4430 1.1002 89.0 67.3 21.8
...
2021 06 16 15 58 07.7 +56 17 55 0.4063 1.1432 97.6 61.7 21.5
...
2021 06 22 15 56 35.3 +46 12 56 0.3882 1.1766 104.8 56.6 21.3
2021 06 23 15 56 30.6 +44 24 43 0.3862 1.1822 105.9 55.8 21.3
2021 06 24 15 56 28.6 +42 34 45 0.3846 1.1879 107.1 54.9 21.3
...
2021 06 30 15 57 09.4 +31 09 07 0.3830 1.2222 113.7 49.6 21.2
...
2021 07 08 16 00 11.4 +15 54 46 0.4046 1.2685 120.0 44.0 21.2
...
2021 07 23 16 11 41.3 -07 09 40 0.5138 1.3552 121.2 39.9 21.8
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-M76
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