MPEC 2020-X78 : 2020 XF2
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M.P.E.C. 2020-X78 Issued 2020 December 9, 09:03 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 XF2
Observations:
K20X02F* C2020 12 07.37785 04 57 42.93 +18 32 12.5 21.5 GVEX078V00
K20X02F C2020 12 07.38274 04 57 41.95 +18 32 53.8 21.6 GVEX078V00
K20X02F C2020 12 07.38762 04 57 40.98 +18 33 35.3 21.9 GVEX078V00
K20X02F KC2020 12 07.42329104 57 33.91 +18 38 33.0 20.87GVEX078V06
K20X02F KC2020 12 07.42951604 57 32.74 +18 39 25.2 21.32GVEX078V06
K20X02F KC2020 12 07.44195004 57 30.29 +18 41 09.4 21.64GVEX078V06
K20X02F KC2020 12 08.32593304 54 52.51 +20 46 07.4 21.71GVEX078V06
K20X02F KC2020 12 08.32917904 54 51.83 +20 46 35.5 21.25GVEX078V06
K20X02F KC2020 12 08.33243104 54 51.13 +20 47 02.6 20.48GVEX078V06
K20X02F KC2020 12 08.33568404 54 50.47 +20 47 30.5 21.58GVEX078V06
K20X02F KC2020 12 09.19160 04 52 13.96 +22 48 41.4 oEX078291
K20X02F KC2020 12 09.19640 04 52 12.91 +22 49 22.6 oEX078291
K20X02F KC2020 12 09.20120 04 52 11.96 +22 50 04.4 oEX078291
K20X02F KC2020 12 09.26633004 51 58.12 +22 59 19.9 21.16GVEX078I52
K20X02F KC2020 12 09.27053004 51 57.20 +22 59 55.9 21.62GVEX078I52
K20X02F KC2020 12 09.27472804 51 56.32 +23 00 31.4 21.19GVEX078I52
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + 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, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector +
CCD.
V00 Kitt Peak-Bok. Observer H. Groeller. 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, T. A. Pruyne, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 2.25-m reflector + CCD.
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, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m reflector +
1K CCD.
Orbital elements:
2020 XF2 Earth MOID = 0.1396 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 359.77099 (2000.0) P Q
n 0.64452743 Peri. 7.35046 +0.10889553 -0.93710518
a 1.3273184 Node 76.82700 +0.89381653 -0.05368628
e 0.1535789 Incl. 19.91269 +0.43501008 +0.34489371
P 1.53 H 25.35 G 0.15 U 9
Residuals in seconds of arc
201207 V00 0.1+ 0.1- 201208 V06 0.1+ 0.3- 201209 291 0.2+ 0.4+
201207 V00 0.0- 0.1+ 201208 V06 0.1+ 0.3+ 201209 I52 0.2+ 0.1-
201207 V00 (0.1- 0.7+) 201208 V06 0.2- 0.2- 201209 I52 0.1- 0.2+
201207 V06 0.3- 0.1- 201208 V06 0.1- 0.2+ 201209 I52 0.1+ 0.1-
201207 V06 0.3+ 0.0- 201209 291 0.1+ 0.2-
201207 V06 0.3- 0.1+ 201209 291 0.5- 0.2-
Ephemeris:
2020 XF2 a,e,i = 1.33, 0.15, 20 q = 1.1235
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 09 05 38 39.6 -21 26 54 0.2456 1.1490 124.9 45.0 24.3
...
2020 11 24 05 27 14.1 -07 33 28 0.1736 1.1331 144.5 30.4 23.1
...
2020 12 02 05 12 02.2 +06 30 19 0.1482 1.1277 162.0 15.7 22.3
...
2020 12 08 04 55 52.9 +20 00 08 0.1402 1.1250 177.2 2.5 21.6
2020 12 09 04 52 47.9 +22 21 41 0.1399 1.1247 177.4 2.3 21.6
2020 12 10 04 49 36.7 +24 43 07 0.1400 1.1244 175.4 4.1 21.7
...
2020 12 16 04 28 40.1 +38 07 44 0.1474 1.1235 159.5 17.8 22.4
...
2020 12 24 03 58 37.1 +51 53 37 0.1722 1.1243 142.0 32.6 23.2
...
2021 01 08 03 15 16.2 +65 24 44 0.2424 1.1318 122.4 47.2 24.3
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X78
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