MPEC 2021-C318 : 2021 CT8
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M.P.E.C. 2021-C318 Issued 2021 February 15, 08:27 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 CT8
Observations:
K21C08T C2021 02 08.45431611 48 48.318+25 22 37.14 21.07GVEC318F51
K21C08T C2021 02 08.46788211 48 47.985+25 22 55.68 21.27GVEC318F51
K21C08T C2021 02 08.48143111 48 47.678+25 23 14.55 21.34GVEC318F51
K21C08T C2021 02 08.49505411 48 47.352+25 23 33.49 22.14GVEC318F51
K21C08T* C2021 02 11.42266611 47 33.967+26 33 25.26 21.73wUEC318F52
K21C08T C2021 02 11.43353111 47 33.619+26 33 41.39 21.96wUEC318F52
K21C08T C2021 02 11.44441711 47 33.239+26 33 58.10 21.67wUEC318F52
K21C08T C2021 02 11.45532311 47 32.857+26 34 14.65 21.80wUEC318F52
K21C08T |C2021 02 12.29892 11 47 05.48 +26 55 38.4 21.6 GVEC318807
K21C08T KC2021 02 12.30280911 47 05.78 +26 55 33.8 21.58GVEC318I52
K21C08T |C2021 02 12.30476 11 47 05.27 +26 55 47.4 21.4 GVEC318807
K21C08T |C2021 02 12.31059 11 47 05.04 +26 55 56.3 21.5 GVEC318807
K21C08T KC2021 02 12.31624711 47 05.28 +26 55 54.4 21.99GVEC318I52
K21C08T 1C2021 02 15.12170 11 45 14.96 +28 10 12.2 22.2 VVEC318033
K21C08T 1C2021 02 15.12530 11 45 14.79 +28 10 18.6 22.0 VVEC318033
K21C08T 1C2021 02 15.12888 11 45 14.60 +28 10 23.9 22.4 VVEC318033
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, T. Lowe, A.
Schultz, M. Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L.
Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + 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.
Orbital elements:
2021 CT8 Earth MOID = 0.1893 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 310.78090 (2000.0) P Q
n 0.29876199 Peri. 195.82817 +0.15401799 +0.96835970
a 2.2160820 Node 83.34186 -0.88373482 +0.22389126
e 0.7477447 Incl. 11.40221 -0.44191767 -0.11023702
P 3.30 H 20.15 G 0.15 U 8
Residuals in seconds of arc
210208 F51 0.0- 0.1+ 210211 F52 0.1+ 0.2- 210212 807 0.1+ 0.0-
210208 F51 0.0- 0.1+ 210211 F52 0.1+ 0.2- 210212 807 0.0- 0.0-
210208 F51 0.2- 0.2- 210211 F52 0.0+ 0.1+ 210212 I52 0.2- 0.0+
210208 F51 0.2- 0.2- 210211 F52 0.0+ 0.1+ 210215 033 0.1+ 0.1-
210208 F51 0.1+ 0.0+ 210211 F52 0.0- 0.2+ 210215 033 0.1+ 0.3+
210208 F51 0.1+ 0.0+ 210211 F52 0.0- 0.2+ 210215 033 0.1- 0.2-
210208 F51 0.2+ 0.1+ 210212 807 0.1- 0.1-
210211 F52 0.2- 0.1+ 210212 I52 0.1- 0.2+
Ephemeris:
2021 CT8 a,e,i = 2.22, 0.75, 11 q = 0.5590
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 01 16 11 45 05.1 +19 10 35 1.2709 2.0072 125.3 23.6 23.3
...
2021 01 31 11 49 51.0 +22 32 52 1.0047 1.8609 138.5 20.5 22.5
...
2021 02 08 11 48 56.7 +25 12 18 0.8781 1.7792 145.1 18.5 22.1
...
2021 02 14 11 46 02.9 +27 39 52 0.7914 1.7161 149.3 17.1 21.7
2021 02 15 11 45 20.6 +28 06 55 0.7777 1.7055 149.8 16.9 21.7
2021 02 16 11 44 34.3 +28 34 41 0.7642 1.6948 150.4 16.8 21.6
...
2021 02 22 11 38 19.9 +31 36 10 0.6881 1.6296 152.2 16.5 21.3
...
2021 03 02 11 24 51.5 +36 15 25 0.6000 1.5403 150.0 18.7 20.9
...
2021 03 17 10 36 58.7 +46 01 44 0.4766 1.3648 132.9 32.3 20.6
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-C318
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