[Iaude] MPEC X204: 2021 XQ5 [a=1.82,e=0.51,i=4.5,H=27.7]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 12 08:16:37 EST 2021
M.P.E.C. 2021-X204 Issued 2021 December 12, 13:15 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 XQ5
Observations:
K21X05Q C2021 12 08.27416 04 12 22.20 +25 16 26.6 21.4 GVEX204G96
K21X05Q C2021 12 08.27977 04 12 23.41 +25 16 04.6 21.9 GVEX204G96
K21X05Q* C2021 12 09.27535304 17 35.25 +24 03 31.9 21.27GVEX204G96
K21X05Q C2021 12 09.28097504 17 36.84 +24 03 03.9 21.81GVEX204G96
K21X05Q C2021 12 09.28657504 17 38.34 +24 02 36.0 21.24GVEX204G96
K21X05Q C2021 12 09.29217304 17 39.94 +24 02 07.2 21.33GVEX204G96
K21X05Q KC2021 12 09.36618704 18 01.19 +23 55 43.2 21.65GVEX204G96
K21X05Q KC2021 12 09.36784304 18 01.67 +23 55 33.7 22.04GVEX204G96
K21X05Q KC2021 12 09.36950104 18 02.14 +23 55 25.6 21.64GVEX204G96
K21X05Q KC2021 12 09.37115904 18 02.65 +23 55 16.3 21.41GVEX204G96
K21X05Q KC2021 12 12.17286404 43 52.22 +17 32 06.5 uEX204H21
K21X05Q KC2021 12 12.17427804 43 53.27 +17 31 48.3 uEX204H21
K21X05Q KC2021 12 12.17990304 43 57.37 +17 30 35.6 20.7 VuEX204H21
K21X05Q KC2021 12 12.18987504 44 04.64 +17 28 25.7 20.4 VuEX204H21
Observer details:
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. 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, R. L. Seaman, 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.
Orbital elements:
2021 XQ5 Earth MOID = 0.0102 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 0.87619 (2000.0) P Q
n 0.40239405 Peri. 231.30169 -0.63118225 -0.77183954
a 1.8170562 Node 258.00925 +0.73373743 -0.56213372
e 0.5083164 Incl. 4.49332 +0.25147237 -0.29710167
P 2.45 H 27.77 G 0.15 U 8
Residuals in seconds of arc
211208 G96 0.2- 0.2+ 211209 G96 0.4+ 0.5- 211212 H21 0.1- 0.0
211208 G96 0.2+ 0.2- 211209 G96 0.3+ 0.1+ 211212 H21 0.2+ 0.1+
211209 G96 0.3+ 0.1- 211209 G96 0.1+ 0.5- 211212 H21 0.1+ 0.1+
211209 G96 0.7+ 0.1- 211209 G96 0.2- 0.2+ 211212 H21 0.1- 0.2-
211209 G96 0.1- 0.2+ 211209 G96 0.1- 0.3-
Ephemeris:
2021 XQ5 a,e,i = 1.82, 0.51, 4 q = 0.8934
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 12 03 44 32.7 +30 43 58 0.2331 1.2161 164.5 12.6 25.8
...
2021 11 27 03 50 36.4 +30 06 03 0.1240 1.1091 169.9 9.0 24.1
...
2021 12 05 04 01 25.3 +27 45 23 0.07213 1.0564 168.7 10.5 22.8
...
2021 12 11 04 30 25.0 +20 58 22 0.03561 1.0199 170.3 9.4 21.2
2021 12 12 04 41 28.3 +18 10 18 0.02985 1.0141 170.6 9.1 20.8
2021 12 13 04 57 07.4 +13 59 58 0.02429 1.0084 169.4 10.4 20.4
...
2021 12 19 12 25 09.5 -49 22 05 0.01923 0.9764 66.4 112.6 23.5
...
2021 12 27 14 49 43.5 -39 38 25 0.06545 0.9404 47.4 129.6 27.4
...
2022 01 11 15 26 58.6 -36 01 05 0.1581 0.8992 53.8 118.0 28.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X204
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