MPEC 2021-C02 : 2021 BJ3
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M.P.E.C. 2021-C02 Issued 2021 February 1, 14:25 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 BJ3
Observations:
K21B03J C2021 01 15.59553013 17 51.089+13 39 13.42 22.48GVEC002F51
K21B03J C2021 01 15.60683413 17 48.961+13 39 28.29 22.94GVEC002F51
K21B03J C2021 01 15.61813813 17 46.818+13 39 43.20 22.95GVEC002F51
K21B03J* C2021 01 31.73246 07 59 12.59 +29 39 10.6 17.2 RoEC002K88
K21B03J C2021 01 31.73323 07 59 09.96 +29 39 07.2 17.6 RoEC002K88
K21B03J C2021 01 31.73404 07 59 06.86 +29 39 02.3 17.6 RoEC002K88
K21B03J C2021 01 31.74610 07 58 18.70 +29 37 48.4 17.3 RoEC002K88
K21B03J C2021 01 31.74676 07 58 16.00 +29 37 43.8 17.6 RoEC002K88
K21B03J C2021 01 31.74709 07 58 14.78 +29 37 42.1 17.1 RoEC002K88
K21B03J C2021 01 31.74742 07 58 13.38 +29 37 40.0 17.4 RoEC002K88
K21B03J C2021 01 31.74775 07 58 12.26 +29 37 39.0 17.2 RoEC002K88
K21B03J C2021 01 31.74807 07 58 10.81 +29 37 36.0 17.3 RoEC002K88
K21B03J C2021 01 31.74840 07 58 09.54 +29 37 34.3 17.1 RoEC002K88
K21B03J C2021 01 31.74873 07 58 08.20 +29 37 32.2 17.4 RoEC002K88
K21B03J C2021 01 31.74906 07 58 06.87 +29 37 30.3 17.4 RoEC002K88
K21B03J C2021 01 31.75004 07 58 02.96 +29 37 24.1 17.5 RoEC002K88
K21B03J C2021 01 31.75037 07 58 01.65 +29 37 21.7 17.4 RoEC002K88
K21B03J C2021 01 31.75070 07 58 00.35 +29 37 20.3 17.4 RoEC002K88
K21B03J KC2021 01 31.75333 07 57 49.89 +29 37 04.1 17.4 RoEC002K88
K21B03J KC2021 01 31.75432 07 57 45.96 +29 36 57.5 17.6 RoEC002K88
K21B03J KC2021 01 31.75727 07 57 34.22 +29 36 39.2 17.1 RoEC002K88
K21B03J KC2021 01 31.76548507 57 01.93 +29 35 28.3 17.2 RVEC002K61
K21B03J KC2021 01 31.76592107 57 00.19 +29 35 25.5 17.5 RVEC002K61
K21B03J KC2021 01 31.76644107 56 58.13 +29 35 22.0 17.2 RVEC002K61
K21B03J KC2021 01 31.76757207 56 53.57 +29 35 14.7 17.5 RVEC002K61
K21B03J KC2021 01 31.76827007 56 50.79 +29 35 10.5 17.4 RVEC002K61
K21B03J KC2021 01 31.76948707 56 45.90 +29 35 02.9 17.1 RVEC002K61
K21B03J KC2021 01 31.77013 07 56 43.11 +29 34 53.6 17.6 RVEC002113
K21B03J KC2021 01 31.77270 07 56 32.94 +29 34 36.8 17.8 RVEC002113
K21B03J KC2021 01 31.77526 07 56 22.68 +29 34 20.1 17.3 RVEC002113
K21B03J KC2021 01 31.77909707 56 12.03 +29 34 19.1 18.0 GVEC002B49
K21B03J KC2021 01 31.78105307 56 04.30 +29 34 07.0 18.7 GVEC002B49
K21B03J KC2021 01 31.78300907 55 56.47 +29 33 54.8 18.1 GVEC002B49
K21B03J KC2021 01 31.79542 07 55 04.71 +29 32 41.1 17.6 GVEC002K83
K21B03J KC2021 01 31.79674 07 54 59.45 +29 32 32.8 18.4 GVEC002K83
K21B03J KC2021 01 31.79865 07 54 51.82 +29 32 20.5 17.8 GVEC002K83
K21B03J KC2021 01 31.80224 07 54 34.34 +29 31 46.5 18.0 RoEC002K88
K21B03J KC2021 01 31.80322 07 54 30.39 +29 31 40.4 18.0 RoEC002K88
K21B03J KC2021 01 31.80420 07 54 26.48 +29 31 34.0 17.8 RoEC002K88
K21B03J KC2021 01 31.80518 07 54 22.64 +29 31 27.1 17.7 RoEC002K88
K21B03J KC2021 01 31.80616 07 54 18.57 +29 31 20.5 17.6 RoEC002K88
K21B03J KC2021 01 31.80714 07 54 14.71 +29 31 13.9 17.9 RoEC002K88
K21B03J KC2021 01 31.80812 07 54 10.77 +29 31 07.3 17.7 RoEC002K88
K21B03J KC2021 01 31.81009 07 54 02.93 +29 30 54.8 17.5 RoEC002K88
K21B03J KC2021 01 31.81580 07 53 40.58 +29 29 48.7 17.7 GVEC002C43
K21B03J KC2021 01 31.81714 07 53 35.26 +29 29 40.2 17.9 GVEC002C43
K21B03J KC2021 01 31.81848 07 53 29.90 +29 29 31.1 17.7 GVEC002C43
K21B03J KC2021 01 31.81983 07 53 24.50 +29 29 21.4 17.9 GVEC002C43
K21B03J KC2021 01 31.82117 07 53 19.09 +29 29 11.9 17.8 GVEC002C43
K21B03J KC2021 01 31.82763 07 52 52.48 +29 28 52.6 17.5 RoEC002K88
K21B03J KC2021 01 31.82861 07 52 48.52 +29 28 45.3 17.5 RoEC002K88
K21B03J KC2021 01 31.82960 07 52 44.56 +29 28 39.0 17.5 RoEC002K88
K21B03J KC2021 01 31.83058 07 52 40.54 +29 28 31.7 17.5 RoEC002K88
K21B03J KC2021 01 31.83254 07 52 32.85 +29 28 19.2 17.4 RoEC002K88
K21B03J KC2021 01 31.83352 07 52 28.89 +29 28 10.8 17.3 RoEC002K88
K21B03J KC2021 01 31.83450 07 52 24.88 +29 28 03.9 17.4 RoEC002K88
K21B03J KC2021 01 31.83549 07 52 20.97 +29 27 57.2 17.5 RoEC002K88
K21B03J KC2021 01 31.83647 07 52 17.05 +29 27 50.1 17.4 RoEC002K88
K21B03J KC2021 01 31.83920407 52 08.18 +29 27 35.5 18.4 GVEC002595
K21B03J KC2021 01 31.84108207 52 00.62 +29 27 21.7 18.5 GVEC002595
K21B03J KC2021 01 31.84258907 51 54.61 +29 27 10.9 18.4 GVEC002595
K21B03J KC2021 01 31.87566207 49 42.94 +29 23 18.5 17.3 GVEC002K63
K21B03J KC2021 01 31.88065407 49 22.83 +29 22 40.8 17.5 GVEC002K63
K21B03J KC2021 01 31.88198 07 49 14.27 +29 22 13.8 17.7 RoEC002K88
K21B03J KC2021 01 31.88297 07 49 10.18 +29 22 05.7 18.0 RoEC002K88
K21B03J KC2021 01 31.88395 07 49 06.32 +29 21 58.1 17.9 RoEC002K88
K21B03J KC2021 01 31.88493 07 49 02.42 +29 21 50.9 17.9 RoEC002K88
K21B03J KC2021 01 31.88591 07 48 58.37 +29 21 43.0 17.7 RoEC002K88
K21B03J KC2021 01 31.88689 07 48 54.54 +29 21 36.0 17.6 RoEC002K88
K21B03J KC2021 01 31.88983 07 48 42.76 +29 21 13.0 oEC002K88
K21B03J KC2021 01 31.90597 07 47 40.85 +29 19 28.4 17.6 GVEC002L39
K21B03J KC2021 01 31.90850 07 47 30.70 +29 19 09.6 18.2 GVEC002L39
K21B03J KC2021 01 31.91104 07 47 20.50 +29 18 48.9 18.1 GVEC002L39
K21B03J KC2021 01 31.99852 07 41 28.34 +29 05 59.2 17.5 RoEC002K88
K21B03J KC2021 02 01.00147 07 41 16.66 +29 05 32.1 17.6 RoEC002K88
K21B03J KC2021 02 01.00639 07 40 57.23 +29 04 47.5 17.6 RoEC002K88
K21B03J hC2021 02 01.00659307 40 57.56 +29 05 07.7 18.3 GVEC002L01
K21B03J hC2021 02 01.01007907 40 43.72 +29 04 35.9 18.1 GVEC002L01
K21B03J hC2021 02 01.01172607 40 37.20 +29 04 21.0 18.0 GVEC002L01
K21B03J hC2021 02 01.01381807 40 28.89 +29 04 01.8 18.0 GVEC002L01
K21B03J KC2021 02 01.02831 07 39 30.70 +29 01 26.5 17.5 RoEC002K88
K21B03J KC2021 02 01.02929 07 39 26.86 +29 01 16.6 17.5 RoEC002K88
K21B03J KC2021 02 01.03027 07 39 23.01 +29 01 07.4 17.6 RoEC002K88
K21B03J KC2021 02 01.03126 07 39 19.06 +29 00 58.9 17.6 RoEC002K88
K21B03J HC2021 02 01.09538907 35 45.19 +28 52 20.9 VEC002G96
K21B03J HC2021 02 01.10681707 35 00.31 +28 50 44.4 VEC002G96
K21B03J HC2021 02 01.11200807 34 39.96 +28 49 59.7 17.85GVEC002G96
K21B03J KC2021 02 01.12119807 34 03.95 +28 48 40.4 18.41GVEC002I52
K21B03J KC2021 02 01.12177607 34 01.69 +28 48 35.5 18.35GVEC002I52
K21B03J KC2021 02 01.12235407 33 59.42 +28 48 30.5 18.27GVEC002I52
K21B03J C2021 02 01.28510 07 23 20.87 +28 21 35.4 17.8 rEC002718
K21B03J C2021 02 01.28567 07 23 18.65 +28 21 29.7 17.6 rEC002718
K21B03J C2021 02 01.28623 07 23 16.61 +28 21 24.1 17.6 rEC002718
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observer G. Lehmann. 0.5-m f/4.6
reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/5.15 reflector + CCD.
718 Tooele. Observer P. Wiggins. 0.35-m f/5.5 Schmidt-Cassegrain + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 reflector +
CCD.
C43 Hoyerswerda. Observer P. Lindner. 0.30-m f/6.3 Schmidt-Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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.
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.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector +
CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m
f/3.2 Newtonian reflector + CCD.
K83 Beppe Forti Astronomical Observatory, Montelupo. Observers M. Tombelli,
A. Mazzanti, E. Venticinque. Measurers M. Tombelli, G. Interrante, F.
Bernardi. 0.40-m f/8 Ritchey-Chretien + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, F. Hrzenjak. Measurer
K. Korlevic. 1.0-m f/2.9 reflector + CCD.
L39 Osservatorio Spica, Signa. Observers M. Bertini, L. Franchini. 0.30-m
Newtonian reflector + CCD.
Orbital elements:
2021 BJ3 Earth MOID = 0.0142 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 112.91305 (2000.0) P Q
n 1.80883002 Peri. 352.91392 +0.58326700 +0.80281655
a 0.6671204 Node 312.67569 -0.73675799 +0.45878301
e 0.5207782 Incl. 9.68099 -0.34203401 +0.38079356
P 0.54 H 25.06 G 0.15 U 7
Residuals in seconds of arc
210115 F51 0.1- 0.1+ 210131 B49 0.6+ 0.5- 210131 K63 0.2- 0.2-
210115 F51 0.0+ 0.0- 210131 B49 0.1- 0.3- 210131 K88 1.1+ 0.5+
210115 F51 0.1+ 0.1- 210131 K83 0.0- 0.0- 210131 K88 0.4- 0.0-
210131 K88 5.0- 0.6- 210131 K83 0.2+ 0.3+ 210131 K88 0.6+ 0.1-
210131 K88 0.6+ 0.6+ 210131 K83 0.3+ 0.5+ 210131 K88 1.0+ 0.3+
210131 K88 2.2+ 0.6+ 210131 K88 0.0- 0.7- 210131 K88 0.5- 0.1-
210131 K88 0.0+ 0.1+ 210131 K88 0.3- 0.2- 210131 K88 0.9+ 0.5+
210131 K88 0.9- 0.5- 210131 K88 0.1- 0.0+ 210131 K88 1.3+ 0.3+
210131 K88 0.3+ 0.1- 210131 K88 1.1+ 0.2- 210131 L39 0.6- 0.4-
210131 K88 0.8- 0.2- 210131 K88 0.7- 0.2- 210131 L39 0.4- 0.7+
210131 K88 1.7+ 0.8+ 210131 K88 0.2+ 0.2- 210131 L39 0.3- 0.0-
210131 K88 0.6- 0.2- 210131 K88 0.0+ 0.1- 210131 K88 0.7- 0.1-
210131 K88 0.0+ 0.1+ 210131 K88 0.8+ 0.8+ 210201 K88 0.5- 0.5-
210131 K88 0.3- 0.1+ 210131 C43 0.3- 0.6- 210201 K88 0.2+ 0.5-
210131 K88 0.5- 0.2+ 210131 C43 0.2+ 0.1+ 210201 L01 0.4+ 0.1+
210131 K88 0.6- 0.0+ 210131 C43 0.2+ 0.3+ 210201 L01 0.4+ 0.0-
210131 K88 0.5- 0.3- 210131 C43 0.1+ 0.1- 210201 L01 0.6+ 0.1+
210131 K88 0.3- 0.3+ 210131 C43 0.5- 0.4- 210201 L01 0.4+ 0.0-
210131 K88 0.0+ 0.4+ 210131 K88 0.2- 0.1+ 210201 K88 0.7+ 0.6+
210131 K88 0.2+ 0.0- 210131 K88 0.5- 0.4- 210201 K88 1.0+ 0.2-
210131 K88 0.6+ 0.1+ 210131 K88 0.3- 0.3+ 210201 K88 1.2+ 0.2-
210131 K61 0.3- 0.4+ 210131 K88 1.5- 0.1- 210201 K88 0.5+ 0.6+
210131 K61 0.4- 0.4+ 210131 K88 0.9+ 1.3+ 210201 G96 (1.3+ 0.0-)
210131 K61 0.3- 0.1+ 210131 K88 0.5+ 0.2- 210201 G96 0.3- 0.2+
210131 K61 1.0- 0.0- 210131 K88 0.4- 0.1- 210201 G96 0.3- 0.1-
210131 K61 1.1- 0.2+ 210131 K88 0.4+ 0.2+ 210201 I52 0.3+ 0.2-
210131 K61 1.6- 0.3+ 210131 K88 0.6+ 0.1+ 210201 I52 0.4+ 0.0-
210131 113 (2.2- 0.4+) 210131 595 0.0+ 0.1+ 210201 I52 0.4+ 0.0-
210131 113 (1.4- 0.0+) 210131 595 0.3- 0.4- 210201 718 0.9- 0.4-
210131 113 (2.3- 0.3-) 210131 595 0.3+ 0.5- 210201 718 0.9- 0.1-
210131 B49 0.1+ 0.6- 210131 K63 0.3+ 0.2+ 210201 718 0.9+ 0.2+
Ephemeris:
2021 BJ3 a,e,i = 0.67, 0.52, 10 q = 0.3197
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 01 02 13 35 45.5 +11 04 27 0.1807 0.9810 84.0 85.4 24.3
...
2021 01 17 13 13 44.9 +14 12 05 0.09498 1.0118 104.5 70.3 22.4
...
2021 01 25 12 18 16.1 +20 37 47 0.04900 1.0143 126.4 51.4 20.4
...
2021 01 31 08 46 47.3 +30 30 35 0.02532 1.0098 166.8 12.8 17.9
2021 02 01 07 41 36.2 +29 08 07 0.02491 1.0086 158.8 20.7 18.1
2021 02 02 06 40 59.6 +25 58 41 0.02603 1.0071 146.0 33.1 18.5
...
2021 02 08 03 53 44.1 +07 55 54 0.05134 0.9954 98.6 78.4 21.3
...
2021 02 16 03 04 59.5 +00 47 22 0.09673 0.9712 77.3 97.1 23.4
...
2021 03 03 02 34 07.6 -03 15 01 0.1818 0.8985 54.7 115.8 25.7
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-C02
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