MPEC 2021-D08 : 2021 CS9
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M.P.E.C. 2021-D08 Issued 2021 February 16, 10:48 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
2021 CS9
Observations:
K21C09S* C2021 02 15.39115614 24 09.39 +37 13 42.9 19.93GVED008G96
K21C09S C2021 02 15.39589414 24 07.79 +37 14 45.3 19.83GVED008G96
K21C09S C2021 02 15.40061714 24 06.17 +37 15 47.4 19.88GVED008G96
K21C09S C2021 02 15.40534314 24 04.54 +37 16 49.6 19.76GVED008G96
K21C09S mC2021 02 15.48762214 23 35.74 +37 34 32.6 20.02GVED008I52
K21C09S mC2021 02 15.48804314 23 35.57 +37 34 37.9 19.83GVED008I52
K21C09S mC2021 02 15.48846614 23 35.42 +37 34 43.2 20.14GVED008I52
K21C09S mC2021 02 15.48888614 23 35.29 +37 34 48.7 19.64GVED008I52
K21C09S KC2021 02 15.98893514 21 19.63 +39 16 03.0 VED008203
K21C09S KC2021 02 16.02616114 21 07.92 +39 23 38.7 20.1 GVED008203
K21C09S KC2021 02 16.13441614 20 31.11 +39 45 17.0 20.3 GVED008L01
K21C09S KC2021 02 16.13614814 20 30.53 +39 45 37.2 20.0 GVED008L01
K21C09S KC2021 02 16.13788014 20 29.94 +39 45 57.7 20.1 GVED008L01
K21C09S KC2021 02 16.13961214 20 29.34 +39 46 17.7 20.3 GVED008L01
K21C09S KC2021 02 16.14242614 20 28.37 +39 46 51.2 20.4 GVED008L01
K21C09S KC2021 02 16.40597714 19 18.60 +40 37 36.8 19.78GVED008I52
K21C09S KC2021 02 16.40807814 19 17.83 +40 38 00.8 19.72GVED008I52
K21C09S KC2021 02 16.43517 14 19 05.68 +40 43 01.8 19.9 GVED008H36
K21C09S KC2021 02 16.43817 14 19 04.64 +40 43 36.1 19.9 GVED008H36
K21C09S KC2021 02 16.44148 14 19 03.50 +40 44 13.3 20.0 GVED008H36
Observer details:
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.36-m f/5.76 Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard, 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.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2021 CS9 Earth MOID = 0.0019 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 28.53945 (2000.0) P Q
n 1.01029823 Peri. 259.37490 +0.75808488 -0.62999935
a 0.9836403 Node 139.37392 +0.65213326 +0.73015103
e 0.1804946 Incl. 15.00227 +0.00543293 +0.26453790
P 0.98 H 24.20 G 0.15 U 7
Residuals in seconds of arc
210215 G96 0.1+ 0.0- 210215 I52 0.1- 0.2- 210216 L01 0.1- 0.3+
210215 G96 0.2+ 0.1+ 210215 203 0.1- 0.0- 210216 I52 0.1+ 0.1+
210215 G96 0.1+ 0.1+ 210216 203 0.4+ 0.4+ 210216 I52 0.5- 0.2-
210215 G96 0.1- 0.3+ 210216 L01 0.0- 0.0+ 210216 H36 0.2+ 0.3-
210215 I52 0.0- 0.2- 210216 L01 0.1+ 0.1- 210216 H36 0.2+ 0.1+
210215 I52 0.2- 0.3- 210216 L01 0.1+ 0.1+ 210216 H36 0.3+ 0.0-
210215 I52 0.2- 0.4- 210216 L01 0.0+ 0.2-
Ephemeris:
2021 CS9 a,e,i = 0.98, 0.18, 15 q = 0.8061
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 01 17 17 50 02.8 -71 55 27 0.1142 0.9216 54.2 120.1 24.2
...
2021 02 01 15 40 51.0 -44 18 12 0.05211 0.9692 70.5 106.6 21.7
...
2021 02 09 14 55 22.1 +03 58 49 0.04156 0.9943 99.4 78.2 20.0
...
2021 02 15 14 25 54.5 +35 47 53 0.05544 1.0126 115.2 62.0 20.2
2021 02 16 14 21 08.6 +39 18 59 0.05894 1.0155 116.5 60.6 20.3
2021 02 17 14 16 24.1 +42 24 56 0.06264 1.0185 117.5 59.4 20.4
...
2021 02 23 13 48 18.5 +54 42 50 0.08763 1.0359 120.0 55.8 21.0
...
2021 03 03 13 12 10.4 +62 01 57 0.1243 1.0578 119.4 54.7 21.8
...
2021 03 18 12 15 46.5 +65 14 03 0.1955 1.0942 115.7 55.1 22.9
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-D08
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