MPEC 2021-B122 : 2021 BD3
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2021-B121
Read MPEC 2021-B123
M.P.E.C. 2021-B122 Issued 2021 January 23, 14:19 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 BD3
Observations:
K21B03D C2021 01 13.37224 09 16 15.88 -10 49 05.7 21.5 GVEB122G96
K21B03D C2021 01 13.37742 09 16 16.81 -10 48 42.4 21.7 GVEB122G96
K21B03D C2021 01 22.41498 10 25 48.85 +14 57 21.9 VEB122G96
K21B03D C2021 01 22.42004 10 25 53.05 +14 59 06.1 VEB122G96
K21B03D* C2021 01 22.43091010 26 02.21 +15 02 45.9 18.82GVEB122G96
K21B03D C2021 01 22.43108610 26 02.37 +15 02 49.3 19.00GVEB122G96
K21B03D C2021 01 22.43126110 26 02.51 +15 02 53.0 19.02GVEB122G96
K21B03D C2021 01 22.43143510 26 02.65 +15 02 56.6 19.20GVEB122G96
K21B03D KC2021 01 22.45165510 26 19.73 +15 09 47.3 19.44GVEB122I52
K21B03D KC2021 01 22.45222410 26 20.21 +15 09 59.2 19.20GVEB122I52
K21B03D KC2021 01 22.45279510 26 20.70 +15 10 10.9 18.80GVEB122I52
K21B03D C2021 01 22.45882710 26 25.81 +15 12 13.5 19.45GVEB122G96
K21B03D C2021 01 22.45900110 26 25.97 +15 12 17.0 19.76GVEB122G96
K21B03D C2021 01 22.45917410 26 26.12 +15 12 20.5 19.86GVEB122G96
K21B03D C2021 01 22.45934810 26 26.28 +15 12 23.8 20.05GVEB122G96
K21B03D KC2021 01 22.99365610 35 34.93 +18 20 52.5 19.1 GVEB122J95
K21B03D KC2021 01 22.99677010 35 38.04 +18 22 02.3 19.4 GVEB122J95
K21B03D KC2021 01 22.99988810 35 41.20 +18 23 11.4 19.2 GVEB122J95
K21B03D KC2021 01 23.00308910 35 44.38 +18 24 23.8 19.4 GVEB122J95
K21B03D KC2021 01 23.17975 10 39 02.45 +19 31 30.9 19.6 GVEB122W34
K21B03D KC2021 01 23.19035 10 39 13.65 +19 35 36.3 19.4 GVEB122W34
K21B03D KC2021 01 23.19840 10 39 22.05 +19 38 43.3 19.4 GVEB122W34
K21B03D KC2021 01 23.20937 10 39 35.36 +19 42 28.7 19.6 GVEB122H36
K21B03D KC2021 01 23.21841 10 39 44.95 +19 45 58.2 19.5 GVEB122H36
K21B03D KC2021 01 23.22291 10 39 49.69 +19 47 42.9 19.2 GVEB122H36
K21B03D KC2021 01 23.24358610 40 13.00 +19 54 35.1 19.4 GVEB122U55
K21B03D KC2021 01 23.24628410 40 11.90 +19 57 15.3 19.0 GVEB122W33
K21B03D KC2021 01 23.24904510 40 18.93 +19 56 42.4 19.3 GVEB122U55
K21B03D KC2021 01 23.24936810 40 15.99 +19 58 02.8 19.1 VuEB122H21
K21B03D KC2021 01 23.25141010 40 18.12 +19 58 50.3 19.2 VuEB122H21
K21B03D KC2021 01 23.25345210 40 20.25 +19 59 37.8 19.2 VuEB122H21
K21B03D KC2021 01 23.25454410 40 25.03 +19 58 50.9 19.6 GVEB122U55
K21B03D KC2021 01 23.25542610 40 22.32 +20 00 23.6 19.2 VuEB122H21
K21B03D KC2021 01 23.25678110 40 22.86 +20 01 19.6 19.3 GVEB122W33
K21B03D KC2021 01 23.26729210 40 33.70 +20 05 24.1 19.2 GVEB122W33
Observer details:
G96 Mt. Lemmon Survey. Observers K. W. Wierzchos, G. J. Leonard. 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
U55 Golden Ears Observatory, Maple Ridge. Observer B. Kumar. 0.36-m f/7
Schmidt-Cassegrain + CCD.
W33 Transit Dreams Observatory, Campobello. Observer D. Wilde. 0.36-m
Schmidt-Cassegrain + CCD.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. Measurers
R. L. Flynn, J. Gerlach. 0.36-m Schmidt-Cassegrain + CCD.
Orbital elements:
2021 BD3 Earth MOID = 0.0153 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 251.54932 (2000.0) P Q
n 0.94037751 Peri. 92.99174 -0.79539591 +0.58014438
a 1.0318136 Node 122.53675 -0.60503149 -0.74291496
e 0.1576165 Incl. 12.01090 -0.03580839 -0.33393092
P 1.05 H 25.8 G 0.15 U 6
Residuals in seconds of arc
210113 G96 0.0 0.2- 210122 G96 0.1+ 0.1- 210123 H36 0.4- 0.1+
210113 G96 0.1- 0.3+ 210122 G96 0.1+ 0.1- 210123 U55 0.3+ 0.1+
210122 G96 0.2+ 0.3- 210122 G96 0.3+ 0.4- 210123 W33 0.2- 0.3-
210122 G96 0.4- 1.2+ 210122 J95 0.1+ 0.1+ 210123 U55 0.9- 0.1-
210122 G96 0.1+ 0.1+ 210122 J95 0.2- 0.1+ 210123 H21 0.0 0.1+
210122 G96 0.2+ 0.1- 210122 J95 0.2+ 0.7- 210123 H21 0.1- 0.1+
210122 G96 0.1+ 0.1+ 210123 J95 0.3- 0.0 210123 H21 0.2- 0.1+
210122 G96 0.0 0.1+ 210123 W34 0.3- 0.3+ 210123 U55 0.1- 0.0
210122 I52 0.1+ 0.3- 210123 W34 0.7+ 0.1+ 210123 H21 0.2- 0.1-
210122 I52 0.0 0.0 210123 W34 0.3+ 0.4+ 210123 W33 0.8+ 0.0
210122 I52 0.1+ 0.1+ 210123 H36 0.6+ 1.0+ 210123 W33 0.1- 0.1+
210122 G96 0.1- 0.0 210123 H36 0.2+ 0.2+
Ephemeris:
2021 BD3 a,e,i = 1.03, 0.16, 12 q = 0.8692
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 12 24 08 35 21.3 -18 32 12 0.1672 1.0883 125.1 47.7 23.9
...
2021 01 08 09 00 21.0 -15 21 02 0.09323 1.0509 134.6 41.8 22.4
...
2021 01 16 09 27 52.5 -06 49 21 0.05662 1.0297 143.4 34.7 21.1
...
2021 01 22 10 19 38.0 +12 42 33 0.03392 1.0136 149.7 29.3 19.8
2021 01 23 10 35 32.8 +18 25 42 0.03119 1.0109 148.2 30.9 19.6
2021 01 24 10 55 30.0 +25 00 44 0.02900 1.0082 144.8 34.3 19.6
...
2021 01 30 15 14 23.1 +57 42 26 0.03153 0.9919 101.7 76.5 20.9
...
2021 02 07 18 45 17.9 +48 55 59 0.06020 0.9705 73.1 103.5 23.4
...
2021 02 22 19 50 13.1 +38 01 56 0.1246 0.9327 59.8 113.6 25.5
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-B122
Read MPEC 2021-B121
Read MPEC 2021-B123
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)