[Iaude] MPEC X90: 2021 XQ1 [a=1.15,e=0.59,i=7.8,H=27.7]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri Dec 3 22:59:39 EST 2021
M.P.E.C. 2021-X90 Issued 2021 December 4, 03:58 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 XQ1
Observations:
K21X01Q* C2021 12 02.19434903 06 02.07 +03 29 46.1 VEX090G96
K21X01Q C2021 12 02.20000703 06 07.18 +03 30 40.0 20.70GVEX090G96
K21X01Q C2021 12 02.20566703 06 12.33 +03 31 35.0 20.48GVEX090G96
K21X01Q C2021 12 02.21132703 06 17.48 +03 32 29.7 20.58GVEX090G96
K21X01Q KC2021 12 02.29870603 07 33.14 +03 45 48.5 20.48GVEX090I52
K21X01Q KC2021 12 02.29964403 07 33.95 +03 45 56.7 20.49GVEX090I52
K21X01Q KC2021 12 02.30058203 07 34.72 +03 46 04.8 20.68GVEX090I52
K21X01Q KC2021 12 02.30152003 07 35.50 +03 46 13.2 20.21GVEX090I52
K21X01Q |C2021 12 03.08480 03 16 56.14 +05 14 41.1 21.4 VuEX090807
K21X01Q |C2021 12 03.09099 03 16 58.72 +05 15 10.3 21.1 VuEX090807
K21X01Q |C2021 12 03.09722 03 17 01.30 +05 15 39.0 21.4 VuEX090807
K21X01Q KC2021 12 03.15076303 17 32.92 +05 15 06.6 21.43GVEX090I52
K21X01Q KC2021 12 03.15236903 17 33.60 +05 15 14.2 21.55GVEX090I52
K21X01Q KC2021 12 03.15397603 17 34.29 +05 15 20.8 21.67GVEX090I52
K21X01Q KC2021 12 04.12409503 23 31.82 +06 10 04.2 22.4 VuEX090H21
K21X01Q KC2021 12 04.13159903 23 33.48 +06 10 23.7 22.1 VuEX090H21
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 astrograph + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. 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. 1.3-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer 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 XQ1 Earth MOID = 0.0013 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 84.20360 (2000.0) P Q
n 0.79522374 Peri. 67.22693 +0.69154309 +0.71152438
a 1.1538335 Node 247.14667 -0.70235306 +0.62208791
e 0.5868506 Incl. 7.76496 -0.16872563 +0.32671041
P 1.24 H 27.76 G 0.15 U 7
Residuals in seconds of arc
211202 G96 (0.9+ 0.7+) 211202 I52 0.1+ 0.2- 211203 I52 0.3- 0.1+
211202 G96 0.3- 0.3- 211202 I52 0.0 0.1+ 211203 I52 0.2+ 0.7-
211202 G96 0.3- 0.1+ 211203 807 0.3+ 0.2- 211204 H21 0.1+ 0.1+
211202 G96 0.0 0.4+ 211203 807 0.1+ 0.3+ 211204 H21 0.1+ 0.0
211202 I52 0.1+ 0.1- 211203 807 0.1- 0.2+
211202 I52 0.4+ 0.1- 211203 I52 0.5- 0.2-
Ephemeris:
2021 XQ1 a,e,i = 1.15, 0.59, 8 q = 0.4767
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 04 15 41 16.9 -10 26 37 0.3232 0.6883 16.6 155.7 34.2
...
2021 11 19 15 47 59.2 -09 56 49 0.1289 0.8616 9.8 168.7
...
2021 11 27 16 04 02.9 -12 01 03 0.03666 0.9506 9.2 170.5
...
2021 12 03 03 16 06.1 +05 05 17 0.03194 1.0147 154.2 25.0 21.5
2021 12 04 03 22 51.6 +06 06 23 0.04324 1.0251 155.2 23.8 22.1
2021 12 05 03 26 52.3 +06 42 37 0.05459 1.0355 155.5 23.3 22.6
...
2021 12 11 03 36 06.5 +08 07 28 0.1235 1.0960 152.7 24.3 24.6
...
2021 12 19 03 41 17.3 +08 56 22 0.2182 1.1724 146.7 27.5 26.0
...
2022 01 03 03 50 59.0 +10 16 05 0.4074 1.3026 134.7 32.4 27.8
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X90
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