MPEC 2020-X50 : 2020 XF1
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M.P.E.C. 2020-X50 Issued 2020 December 7, 10:25 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 XF1
Observations:
K20X01F* C2020 12 05.26985102 11 59.25 +13 14 59.5 19.91GVEX050G96
K20X01F C2020 12 05.27499202 11 59.25 +13 13 48.9 19.83GVEX050G96
K20X01F C2020 12 05.28013702 11 59.22 +13 12 38.4 20.12GVEX050G96
K20X01F C2020 12 05.28528902 11 59.26 +13 11 27.9 20.14GVEX050G96
K20X01F mC2020 12 05.34581002 11 59.40 +12 57 40.2 20.50GVEX050I52
K20X01F mC2020 12 05.34623102 11 59.41 +12 57 34.1 20.58GVEX050I52
K20X01F mC2020 12 05.34665102 11 59.40 +12 57 27.4 20.57GVEX050I52
K20X01F mC2020 12 05.34707102 11 59.41 +12 57 21.6 20.80GVEX050I52
K20X01F KC2020 12 06.05665802 12 12.06 +10 18 25.8 20.2 VuEX050H21
K20X01F KC2020 12 06.06246802 12 12.08 +10 17 09.0 20.2 VuEX050H21
K20X01F KC2020 12 06.06271902 12 12.89 +10 17 08.1 19.78GVEX050I52
K20X01F KC2020 12 06.06370002 12 12.86 +10 16 55.2 19.48GVEX050I52
K20X01F KC2020 12 06.06468102 12 12.91 +10 16 42.8 19.54GVEX050I52
K20X01F KC2020 12 06.06566302 12 12.89 +10 16 29.8 19.44GVEX050I52
K20X01F KC2020 12 06.16274 02 12 13.24 +09 55 09.8 19.8 RoEX050691
K20X01F KC2020 12 06.17344 02 12 13.27 +09 52 49.6 20.0 RoEX050691
K20X01F KC2020 12 06.18268102 12 13.61 +09 50 37.8 19.8 VqEX050U55
K20X01F KC2020 12 06.18413 02 12 13.29 +09 50 28.7 20.4 RoEX050691
K20X01F KC2020 12 06.18888902 12 13.65 +09 49 17.5 19.7 VqEX050U55
K20X01F KC2020 12 06.19580202 12 13.69 +09 47 46.7 19.8 VqEX050U55
K20X01F KC2020 12 07.08613902 12 29.85 +06 37 04.9 19.68GVEX050I52
K20X01F KC2020 12 07.08712402 12 29.87 +06 36 52.6 19.71GVEX050I52
K20X01F KC2020 12 07.08909902 12 29.88 +06 36 27.6 20.00GVEX050I52
K20X01F |C2020 12 07.11253 02 12 28.61 +06 32 13.1 20.3 VuEX050807
K20X01F KC2020 12 07.11551602 12 29.86 +06 30 54.8 20.2 VqEX050858
K20X01F |C2020 12 07.11667 02 12 28.57 +06 31 21.0 20.2 VuEX050807
K20X01F |C2020 12 07.12081 02 12 28.67 +06 30 29.2 20.1 VuEX050807
K20X01F KC2020 12 07.12246702 12 29.91 +06 29 27.7 20.7 VqEX050858
K20X01F KC2020 12 07.12946902 12 29.95 +06 28 00.1 20.5 VqEX050858
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.5 astrograph + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m Schmidt-
Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer T. A. Pruyne. 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. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
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, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector +
CCD.
U55 Golden Ears Observatory, Maple Ridge. Observer B. Kumar. 0.36-m f/7
Schmidt-Cassegrain + CCD.
Orbital elements:
2020 XF1 Earth MOID = 0.1848 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 357.31362 (2000.0) P Q
n 0.47072377 Peri. 195.50115 +0.23481840 -0.64766438
a 1.6366606 Node 246.46119 +0.95455325 +0.29444738
e 0.2898071 Incl. 52.24414 +0.18354405 -0.70273152
P 2.09 H 21.72 G 0.15 U 9
Residuals in seconds of arc
201205 G96 0.1+ 0.1+ 201206 I52 0.0+ 0.2- 201207 I52 0.0- 0.2-
201205 G96 0.1+ 0.1- 201206 I52 0.5- 0.1- 201207 I52 0.1+ 0.1-
201205 G96 0.4- 0.1- 201206 I52 0.2+ 0.4+ 201207 I52 0.1+ 0.3-
201205 G96 0.1+ 0.0+ 201206 I52 0.2- 0.4+ 201207 807 0.6+ 0.3+
201205 I52 0.2- 0.7+ 201206 691 0.1- 0.9- 201207 858 0.4- 0.3-
201205 I52 0.0- 0.3+ 201206 691 0.0+ 0.3- 201207 807 0.3- 0.1+
201205 I52 0.2- 0.6- 201206 U55 0.4+ 0.4- 201207 807 0.4+ 0.4+
201205 I52 0.1- 0.7- 201206 691 0.0+ 0.6- 201207 858 0.3- 0.2-
201206 H21 0.2- 0.2+ 201206 U55 0.5+ 0.9+ 201207 858 0.4- 0.1-
201206 H21 0.2- 0.2+ 201206 U55 0.6+ 0.9+
Ephemeris:
2020 XF1 a,e,i = 1.64, 0.29, 52 q = 1.1623
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 07 03 49 38.8 +84 43 25 0.4445 1.2249 111.3 48.9 22.2
...
2020 11 22 02 17 30.0 +61 55 40 0.2663 1.1915 135.2 35.8 20.7
...
2020 11 30 02 11 51.6 +34 26 02 0.2195 1.1785 148.2 26.2 20.0
...
2020 12 06 02 12 10.3 +10 31 25 0.2295 1.1711 140.3 32.5 20.2
2020 12 07 02 12 27.0 +06 55 37 0.2350 1.1701 137.9 34.4 20.3
2020 12 08 02 12 46.7 +03 30 56 0.2414 1.1692 135.4 36.3 20.5
...
2020 12 14 02 15 39.6 -12 48 29 0.2950 1.1647 121.2 46.3 21.2
...
2020 12 22 02 21 21.0 -25 40 34 0.3898 1.1624 107.6 53.8 22.0
...
2021 01 06 02 35 42.3 -36 33 25 0.5847 1.1688 92.9 57.2 23.0
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X50
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