MPEC 2020-R50 : 2020 RF1
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M.P.E.C. 2020-R50 Issued 2020 September 9, 10:42 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 RF1
Observations:
K20R01F* C2020 09 08.27814 22 26 14.95 +05 05 05.1 20.4 GVER050G96
K20R01F C2020 09 08.28376 22 26 20.64 +05 06 27.4 19.8 GVER050G96
K20R01F C2020 09 08.28936 22 26 26.30 +05 07 49.4 20.1 GVER050G96
K20R01F C2020 09 08.31029 22 26 47.48 +05 12 58.3 19.9 GVER050I52
K20R01F C2020 09 08.31127 22 26 48.47 +05 13 12.9 19.5 GVER050I52
K20R01F C2020 09 08.31226 22 26 49.45 +05 13 27.2 19.6 GVER050I52
K20R01F C2020 09 08.31325 22 26 50.49 +05 13 41.5 19.6 GVER050I52
K20R01F C2020 09 08.45058 22 29 11.39 +05 47 02.2 19.9 GVER050I52
K20R01F C2020 09 08.45206 22 29 13.01 +05 47 22.9 19.9 GVER050I52
K20R01F C2020 09 08.45354 22 29 14.48 +05 47 44.9 19.3 GVER050I52
K20R01F KC2020 09 08.80687 22 35 53.88 +07 11 30.9 VER050104
K20R01F KC2020 09 08.81878 22 36 05.93 +07 14 21.1 20.0 GVER050104
K20R01F KC2020 09 08.82127 22 36 08.50 +07 14 55.9 20.1 GVER050104
K20R01F 1C2020 09 08.82265 22 36 08.83 +07 15 02.2 VER050246
K20R01F 1C2020 09 08.82309 22 36 09.17 +07 15 09.5 VER050246
K20R01F KC2020 09 08.82584 22 36 12.69 +07 15 44.3 19.8 GVER050A17
K20R01F KC2020 09 08.83952 22 36 26.52 +07 18 56.7 19.9 GVER050A17
K20R01F KC2020 09 08.84748822 36 34.32 +07 21 03.7 20.0 GVER050L01
K20R01F KC2020 09 08.84838522 36 35.20 +07 21 16.2 20.0 GVER050L01
K20R01F KC2020 09 08.84954522 36 36.36 +07 21 32.5 19.9 GVER050L01
K20R01F KC2020 09 08.85013422 36 39.15 +07 21 40.3 19.6 GVER050I93
K20R01F KC2020 09 08.85058222 36 37.38 +07 21 47.7 19.9 GVER050L01
K20R01F KC2020 09 08.85161922 36 38.42 +07 22 02.3 19.9 GVER050L01
K20R01F KC2020 09 08.85401322 36 43.05 +07 22 35.2 19.8 GVER050I93
K20R01F KC2020 09 08.85452 22 36 41.71 +07 22 29.6 19.6 GVER050A17
K20R01F KC2020 09 08.85789222 36 46.93 +07 23 29.3 20.1 GVER050I93
K20R01F KC2020 09 08.85885222 36 46.40 +07 23 42.4 19.8 GVER050203
K20R01F KC2020 09 08.88872822 37 16.19 +07 30 42.8 VER050203
K20R01F KC2020 09 08.97132 22 38 37.96 +07 49 54.2 VER050204
K20R01F KC2020 09 08.98335 22 38 49.76 +07 52 40.8 20.0 GVER050204
K20R01F KC2020 09 08.99484 22 39 01.09 +07 55 19.8 VER050204
K20R01F KC2020 09 09.14952322 41 50.57 +08 31 03.3 20.1 VuER050H21
K20R01F KC2020 09 09.15243822 41 53.40 +08 31 42.9 20.2 VuER050H21
K20R01F KC2020 09 09.15613022 41 56.98 +08 32 33.6 19.9 VuER050H21
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.36-m f/5.76 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. 1.06-m f/2.7
reflector + 2048x2048 CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + 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, 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 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. 1.0-m
reflector + CCD.
I93 St Pardon de Conques. Observers F. Losse, W. D'Anna. 0.40-m f/3.7
reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2020 RF1 Earth MOID = 0.0316 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 332.37506 (2000.0) P Q
n 0.29613316 Peri. 358.22294 +0.92450911 +0.38013467
a 2.2291777 Node 339.36634 -0.34872219 +0.81396636
e 0.5332830 Incl. 4.54726 -0.15386925 +0.43926803
P 3.33 H 26.3 G 0.15 U 7
Residuals in seconds of arc
200908 G96 0.6+ 0.7+ 200908 104 0.1+ 0.1- 200908 A17 0.5+ 0.4+
200908 G96 0.5+ 0.0 200908 246 0.6+ 0.1+ 200908 I93 0.2- 0.4-
200908 G96 0.3+ 0.6- 200908 246 1.0- 1.2+ 200908 203 0.3- 0.1+
200908 I52 0.1- 0.1+ 200908 A17 0.6+ 0.3+ 200908 203 0.7- 0.1+
200908 I52 0.1- 0.3+ 200908 A17 0.1- 0.8- 200908 204 1.0+ 0.2+
200908 I52 0.5- 0.0 200908 L01 0.2+ 0.0 200908 204 0.2+ 0.2+
200908 I52 0.1+ 0.2- 200908 L01 0.0 0.2- 200908 204 0.3+ 0.4+
200908 I52 0.6- 0.1- 200908 L01 0.1- 0.2- 200909 H21 0.0 0.2-
200908 I52 0.4+ 0.8- 200908 I93 0.5+ 0.2+ 200909 H21 0.1- 0.5-
200908 I52 0.8- 0.1- 200908 L01 0.3- 0.3+ 200909 H21 0.2- 0.4-
200908 104 0.1- 0.9- 200908 L01 0.3- 0.3+
200908 104 0.7- 0.4+ 200908 I93 0.3+ 0.3+
Ephemeris:
2020 RF1 a,e,i = 2.23, 0.53, 5 q = 1.0404
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 08 10 17 04 45.8 -42 23 04 0.1156 1.0756 119.7 55.0 23.8
...
2020 08 25 18 24 23.0 -37 12 02 0.06078 1.0442 121.9 55.2 22.3
...
2020 09 02 20 22 17.4 -21 28 48 0.03905 1.0404 143.0 35.7 20.8
...
2020 09 08 22 21 07.0 +03 57 32 0.03739 1.0436 165.1 14.4 20.1
2020 09 09 22 39 08.5 +07 58 39 0.03881 1.0447 164.6 14.8 20.2
2020 09 10 22 56 02.6 +11 37 11 0.04064 1.0459 162.8 16.5 20.3
...
2020 09 16 00 12 24.1 +25 31 57 0.05764 1.0559 150.4 28.0 21.5
...
2020 09 24 01 04 54.9 +31 55 10 0.08809 1.0769 145.4 31.9 22.5
...
2020 10 09 01 40 28.9 +33 37 49 0.1546 1.1365 150.9 25.3 23.7
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-R50
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