[Iaude] MPEC X37: 2021 WC6 [a=1.81,e=0.34,i=7.5,H=23.6]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Thu Dec 2 03:20:43 EST 2021
M.P.E.C. 2021-X37 Issued 2021 December 2, 08:19 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 WC6
Observations:
K21W06C* C2021 11 29.38997505 31 32.01 +17 09 28.0 20.60GVEX037G96
K21W06C C2021 11 29.39510605 31 32.25 +17 09 16.9 21.46GVEX037G96
K21W06C C2021 11 29.40022605 31 32.50 +17 09 05.4 21.35GVEX037G96
K21W06C KC2021 11 29.49175805 31 36.93 +17 05 41.5 21.27GVEX037I52
K21W06C KC2021 11 29.49306105 31 37.05 +17 05 38.1 21.22GVEX037I52
K21W06C KC2021 11 29.50085605 31 37.42 +17 05 19.9 VEX037I52
K21W06C KC2021 11 30.22034705 32 23.61 +16 38 58.1 21.39GVEX037I52
K21W06C KC2021 11 30.22226505 32 23.77 +16 38 52.9 21.98GVEX037I52
K21W06C KC2021 11 30.22651505 32 23.92 +16 38 43.7 21.49GVEX037I52
K21W06C KC2021 11 30.22843405 32 24.04 +16 38 39.5 22.67GVEX037I52
K21W06C KC2021 12 01.35829505 33 26.79 +15 57 07.7 21.00GVEX037I52
K21W06C KC2021 12 01.36031805 33 26.85 +15 57 03.2 20.56GVEX037I52
K21W06C KC2021 12 01.36234105 33 26.92 +15 56 58.7 21.03GVEX037I52
K21W06C KC2021 12 02.24844405 34 17.01 +15 24 21.1 20.84GVEX037I52
K21W06C KC2021 12 02.25124505 34 17.08 +15 24 13.8 21.03GVEX037I52
K21W06C KC2021 12 02.25155105 34 16.26 +15 24 09.7 21.8 VuEX037H21
K21W06C KC2021 12 02.25404405 34 17.22 +15 24 07.8 21.70GVEX037I52
K21W06C KC2021 12 02.25684605 34 17.35 +15 24 01.0 21.57GVEX037I52
K21W06C KC2021 12 02.25714605 34 16.49 +15 23 56.9 21.6 VuEX037H21
Observer details:
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, D. Rankin, R. L. Seaman, F. C.
Shelly, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers K. W. Wierzchos, 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, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.
Orbital elements:
2021 WC6 Earth MOID = 0.2183 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Bell
M 17.82032 (2000.0) P Q
n 0.40614551 Peri. 196.33685 +0.21599433 -0.96965255
a 1.8058497 Node 241.31321 +0.90979992 +0.24245569
e 0.3351804 Incl. 7.50258 +0.35441578 -0.03145095
P 2.43 H 23.68 G 0.15 U 8
Residuals in seconds of arc
211129 G96 0.2- 0.1- 211130 I52 0.6+ 0.0 211202 I52 0.5- 0.2+
211129 G96 0.2- 0.1+ 211130 I52 0.2- 0.0 211202 H21 0.3+ 0.2-
211129 G96 0.0 0.0 211130 I52 0.3+ 0.0 211202 I52 0.1- 0.2+
211129 I52 0.3- 0.6+ 211201 I52 0.3+ 0.0 211202 I52 0.0 0.4-
211129 I52 0.5+ 0.1+ 211201 I52 0.1- 0.1- 211202 H21 0.3+ 0.7-
211129 I52 0.0 0.5- 211201 I52 0.2- 0.1-
211130 I52 0.3- 1.0+ 211202 I52 0.2+ 1.3+
Ephemeris:
2021 WC6 a,e,i = 1.81, 0.34, 8 q = 1.2006
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 02 04 48 24.9 +30 15 05 0.2950 1.2438 144.3 27.8 22.7
...
2021 11 17 05 15 47.0 +24 13 31 0.2461 1.2157 154.6 20.4 22.1
...
2021 11 25 05 26 42.9 +19 48 09 0.2304 1.2064 160.2 16.1 21.8
...
2021 12 01 05 33 06.8 +16 10 32 0.2235 1.2023 163.6 13.4 21.6
2021 12 02 05 34 02.2 +15 33 43 0.2228 1.2018 164.1 13.0 21.6
2021 12 03 05 34 55.4 +14 56 56 0.2222 1.2014 164.5 12.7 21.6
...
2021 12 09 05 39 33.6 +11 20 33 0.2213 1.2006 165.6 11.8 21.5
...
2021 12 17 05 44 27.8 +07 01 09 0.2267 1.2033 163.6 13.3 21.6
...
2022 01 01 05 52 35.9 +01 31 21 0.2556 1.2199 155.1 19.9 22.1
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X37
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