[Iaude] MPEC Y42: 2021 XR6 [a=1.09,e=0.24,i=5.1,H=26.4]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Dec 20 06:58:48 EST 2021
M.P.E.C. 2021-Y42 Issued 2021 December 20, 11:57 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 XR6
Observations:
K21X06R* C2021 12 12.39268105 28 18.32 +52 55 36.0 21.49GVEY042G96
K21X06R C2021 12 12.39870405 28 15.67 +52 55 17.3 21.28GVEY042G96
K21X06R C2021 12 12.40473805 28 12.94 +52 54 57.8 21.56GVEY042G96
K21X06R KC2021 12 12.42602105 28 03.62 +52 53 50.4 20.99GVEY042I52
K21X06R KC2021 12 12.42985705 28 01.90 +52 53 38.5 20.55GVEY042I52
K21X06R KC2021 12 12.43369305 28 00.26 +52 53 25.5 22.17GVEY042I52
K21X06R KC2021 12 12.43753005 27 58.69 +52 53 12.7 VEY042I52
K21X06R KC2021 12 13.32067105 23 11.08 +52 14 50.8 18.7 GVEY042G96
K21X06R KC2021 12 13.32350805 23 09.90 +52 14 43.0 VEY042G96
K21X06R KC2021 12 13.38823605 22 44.77 +52 11 47.4 21.84GVEY042V06
K21X06R KC2021 12 13.38947305 22 44.25 +52 11 43.3 20.57GVEY042V06
K21X06R KC2021 12 13.39071005 22 43.85 +52 11 40.8 21.03GVEY042V06
K21X06R KC2021 12 13.39194305 22 43.37 +52 11 36.6 21.89GVEY042V06
K21X06R DC2021 12 20.16387 05 02 00.62 +48 35 38.9 VEY042695
K21X06R DC2021 12 20.17348 05 01 59.19 +48 35 26.9 VEY042695
K21X06R DC2021 12 20.18309 05 01 57.75 +48 35 14.8 23.1 GVEY042695
Observer details:
695 Kitt Peak. Observer R. A. Mastaler. 2.3-m f/9 reflector + CCD.
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, D. Parrott. 1.5-m reflector + 10K
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.
V06 Catalina Sky Survey-Kuiper. 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. 1.55-m reflector + 1K CCD.
Orbital elements:
2021 XR6 Earth MOID = 0.0087 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 97.79613 (2000.0) P Q
n 0.86396352 Peri. 286.23700 +0.97951294 +0.18537601
a 1.0917900 Node 63.13661 -0.13395374 +0.89148673
e 0.2422431 Incl. 5.05976 -0.15036884 +0.41338498
P 1.14 H 26.41 G 0.15 U 8
Residuals in seconds of arc
211212 G96 0.2- 0.0 211212 I52 0.5+ 0.5- 211213 V06 0.1+ 0.2-
211212 G96 0.2+ 0.2+ 211213 G96 0.3+ 0.2+ 211220 695 0.0 0.1-
211212 G96 0.2- 0.4- 211213 G96 0.2- 0.2- 211220 695 0.0 0.1-
211212 I52 0.2+ 0.0 211213 V06 0.0 0.1+ 211220 695 0.0 0.1-
211212 I52 0.3- 0.5+ 211213 V06 0.4- 0.5-
211212 I52 0.2- 0.1- 211213 V06 0.2+ 0.5+
Ephemeris:
2021 XR6 a,e,i = 1.09, 0.24, 5 q = 0.8273
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 20 15 34 44.8 -29 56 09 0.04627 0.9427 10.4 169.1
...
2021 12 05 07 37 21.7 +60 56 20 0.02519 1.0024 131.3 47.6 20.2
...
2021 12 13 05 24 54.9 +52 27 44 0.05777 1.0352 150.6 27.8 21.5
...
2021 12 19 05 04 10.4 +49 05 20 0.08445 1.0598 153.0 25.0 22.3
2021 12 20 05 02 13.0 +48 39 31 0.08903 1.0639 153.0 24.9 22.4
2021 12 21 05 00 31.6 +48 15 11 0.09366 1.0680 152.9 24.8 22.6
...
2021 12 27 04 54 26.1 +46 11 46 0.1223 1.0921 151.1 25.8 23.2
...
2022 01 04 04 53 17.1 +44 03 13 0.1633 1.1235 146.8 28.7 24.0
...
2022 01 19 05 03 51.9 +40 59 51 0.2494 1.1787 137.0 34.7 25.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-Y42
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