[Iaude] MPEC X129: 2021 XZ2 [a=2.31,e=0.70,i=6.7,H=26.2]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Dec 6 05:48:33 EST 2021
M.P.E.C. 2021-X129 Issued 2021 December 6, 10:47 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 XZ2
Observations:
K21X02Z* C2021 12 05.28636404 30 42.70 -09 39 58.7 21.60GVEX129G96
K21X02Z C2021 12 05.29608304 30 40.73 -09 41 55.6 20.99GVEX129G96
K21X02Z C2021 12 05.30175904 30 39.60 -09 43 04.8 21.28GVEX129G96
K21X02Z C2021 12 05.30746504 30 38.38 -09 44 13.6 22.10GVEX129G96
K21X02Z KC2021 12 05.37271604 30 24.95 -09 57 33.2 21.14GVEX129I52
K21X02Z KC2021 12 05.37737204 30 24.02 -09 58 30.9 21.15GVEX129I52
K21X02Z KC2021 12 05.38202804 30 23.08 -09 59 28.6 21.63GVEX129I52
K21X02Z KC2021 12 05.38668304 30 22.12 -10 00 26.4 21.13GVEX129I52
K21X02Z KC2021 12 06.24231804 27 48.52 -13 27 06.2 21.22GVEX129I52
K21X02Z KC2021 12 06.24791304 27 46.88 -13 28 40.0 20.84GVEX129I52
K21X02Z C2021 12 06.26415004 27 42.32 -13 33 14.8 20.87GVEX129G96
K21X02Z C2021 12 06.26975704 27 40.75 -13 34 49.6 20.71GVEX129G96
K21X02Z C2021 12 06.27535604 27 39.16 -13 36 25.1 21.73GVEX129G96
K21X02Z C2021 12 06.28095704 27 37.54 -13 38 01.0 21.16GVEX129G96
K21X02Z KC2021 12 06.29904204 27 31.77 -13 43 13.0 20.7 GVEX129H01
K21X02Z KC2021 12 06.30690204 27 29.53 -13 45 27.8 20.6 GVEX129H01
K21X02Z KC2021 12 06.31495704 27 27.20 -13 47 46.5 20.9 GVEX129H01
K21X02Z KC2021 12 06.32039904 27 25.65 -13 49 20.4 21.2 GVEX129H01
Observer details:
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + 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 XZ2 Earth MOID = 0.0203 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Bell
M 359.65216 (2000.0) P Q
n 0.28152586 Peri. 64.85642 -0.88455402 -0.45166118
a 2.3056348 Node 88.10729 +0.37489505 -0.83700249
e 0.7047580 Incl. 6.69236 +0.27752095 -0.30891585
P 3.50 H 26.23 G 0.15 U 8
Residuals in seconds of arc
211205 G96 0.5- 0.4- 211205 I52 0.1+ 0.0 211206 G96 0.4+ 0.2+
211205 G96 0.1- 0.2+ 211205 I52 0.1- 0.1- 211206 G96 0.1+ 0.1-
211205 G96 0.5+ 0.1- 211206 I52 (1.0+ 0.7-) 211206 H01 0.1- 0.0
211205 G96 0.2- 0.4+ 211206 I52 0.1- 0.1- 211206 H01 0.1+ 0.1+
211205 I52 0.2- 0.2+ 211206 G96 0.1+ 0.0 211206 H01 0.2- 0.0
211205 I52 0.0 0.0 211206 G96 0.3+ 0.5+ 211206 H01 0.1- 0.1-
Ephemeris:
2021 XZ2 a,e,i = 2.31, 0.70, 7 q = 0.6807
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 06 04 38 05.4 +08 23 18 0.4118 1.3667 151.2 20.5 26.0
...
2021 11 21 04 40 32.8 +05 02 46 0.2227 1.1996 160.0 16.3 24.2
...
2021 11 29 04 38 24.7 +00 49 29 0.1309 1.1096 158.9 18.7 23.0
...
2021 12 05 04 31 24.8 -08 43 16 0.06599 1.0425 148.8 29.3 21.7
2021 12 06 04 28 37.1 -12 20 07 0.05571 1.0314 144.8 33.4 21.4
2021 12 07 04 24 27.7 -17 31 02 0.04577 1.0204 139.3 39.1 21.1
...
2021 12 13 17 27 14.2 -48 54 44 0.03288 0.9550 25.8 153.3 27.8
...
2021 12 21 16 54 05.4 -20 02 42 0.1160 0.8721 14.7 163.4 33.6
...
2022 01 05 16 57 11.2 -14 48 47 0.2967 0.7433 30.5 137.8 29.5
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X129
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