[Iaude] MPEC X124: 2021 XU2 [a=1.65,e=0.41,i=28.8,H=19.7,PHA]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Dec 6 05:44:23 EST 2021
M.P.E.C. 2021-X124 Issued 2021 December 6, 10:43 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 XU2
Observations:
K21X02U* C2021 12 02.08304521 16 16.26 +02 32 49.1 21.79GVEX124G96
K21X02U C2021 12 02.08869021 16 17.59 +02 32 40.7 21.03GVEX124G96
K21X02U C2021 12 02.09433321 16 18.96 +02 32 31.3 21.01GVEX124G96
K21X02U C2021 12 02.09998421 16 20.23 +02 32 23.4 21.47GVEX124G96
K21X02U HC2021 12 02.17011821 16 36.81 +02 30 36.8 21.00GVEX124G96
K21X02U HC2021 12 02.17070621 16 36.96 +02 30 36.8 VEX124G96
K21X02U HC2021 12 02.17129521 16 37.05 +02 30 36.5 VEX124G96
K21X02U HC2021 12 02.17188221 16 37.19 +02 30 35.2 VEX124G96
K21X02U HC2021 12 03.15040621 20 32.49 +02 05 55.0 VEX124G96
K21X02U HC2021 12 03.15099321 20 32.62 +02 05 53.8 21.16GVEX124G96
K21X02U KC2021 12 05.01657221 28 08.35 +01 18 22.8 21.7 VuEX124H21
K21X02U KC2021 12 05.01869721 28 08.90 +01 18 19.8 21.8 VuEX124H21
K21X02U KC2021 12 05.74114 21 31 07.63 +00 59 45.2 21.3 GVEX124204
K21X02U KC2021 12 06.07738721 32 31.29 +00 51 07.3 20.90GVEX124I52
K21X02U KC2021 12 06.08045721 32 32.03 +00 51 02.8 20.95GVEX124I52
K21X02U KC2021 12 06.08352521 32 32.77 +00 50 58.1 20.61GVEX124I52
K21X02U KC2021 12 06.08659321 32 33.52 +00 50 52.7 20.92GVEX124I52
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
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. C. Fuls. 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 XU2 PHA, Earth MOID = 0.0130 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Bell
M 7.66628 (2000.0) P Q
n 0.46630527 Peri. 194.19174 +0.41424602 -0.82492959
a 1.6469832 Node 232.85390 +0.87502861 +0.47722435
e 0.4130319 Incl. 28.84607 +0.25044992 -0.30289949
P 2.11 H 19.79 G 0.15 U 9
Residuals in seconds of arc
211202 G96 0.3+ 0.1+ 211202 G96 0.3- 0.6+ 211205 204 (0.9- 0.2+)
211202 G96 0.4+ 0.1+ 211202 G96 0.3- 0.2+ 211206 I52 0.1+ 0.1-
211202 G96 0.9+ 0.7- 211203 G96 0.1- 0.1+ 211206 I52 0.0 0.2+
211202 G96 0.1+ 0.1- 211203 G96 0.3- 0.2- 211206 I52 0.2- 0.3+
211202 G96 0.3+ 0.9- 211205 H21 0.2+ 0.0 211206 I52 0.2- 0.4-
211202 G96 0.4+ 0.0 211205 H21 0.7+ 0.3+
Ephemeris:
2021 XU2 a,e,i = 1.65, 0.41, 29 q = 0.9667
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 06 19 47 59.3 +12 26 15 0.7929 1.1601 80.3 57.4 21.7
...
2021 11 21 20 34 55.5 +06 59 30 0.7424 1.0831 76.0 62.3 21.5
...
2021 11 29 21 04 12.7 +03 49 27 0.7159 1.0477 74.1 64.9 21.5
...
2021 12 05 21 28 04.4 +01 18 57 0.6976 1.0246 72.7 66.7 21.4
2021 12 06 21 32 12.1 +00 53 15 0.6947 1.0210 72.5 67.0 21.4
2021 12 07 21 36 22.4 +00 27 23 0.6919 1.0176 72.3 67.3 21.4
...
2021 12 13 22 02 14.6 -02 10 54 0.6767 0.9990 71.2 68.9 21.4
...
2021 12 21 22 38 43.3 -05 47 22 0.6613 0.9804 70.1 70.6 21.3
...
2022 01 05 23 51 21.3 -12 22 23 0.6516 0.9667 69.1 71.9 21.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X124
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