MPEC 2021-C186 : 2021 CV4
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M.P.E.C. 2021-C186 Issued 2021 February 10, 14:02 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 CV4
Observations:
K21C04V* C2021 02 09.27072908 28 42.48 -01 44 03.0 15.17RUEC186I41
K21C04V C2021 02 09.27107608 28 43.09 -01 43 01.9 15.17RUEC186I41
K21C04V C2021 02 09.27599508 28 51.82 -01 28 34.2 15.74gUEC186I41
K21C04V C2021 02 09.27634308 28 52.39 -01 27 33.5 15.74gUEC186I41
K21C04V KC2021 02 09.36734908 31 16.58 +02 39 09.1 15.24GVEC186I52
K21C04V KC2021 02 09.36777408 31 17.25 +02 40 12.9 15.42GVEC186I52
K21C04V KC2021 02 09.36820408 31 17.91 +02 41 17.4 15.43GVEC186I52
K21C04V KC2021 02 09.36862808 31 18.57 +02 42 21.1 15.22GVEC186I52
K21C04V KC2021 02 09.43879408 33 04.29 +05 27 36.6 15.23GVEC186I52
K21C04V KC2021 02 09.43922708 33 04.92 +05 28 34.2 15.20GVEC186I52
K21C04V KC2021 02 09.43965408 33 05.55 +05 29 30.9 15.20GVEC186I52
K21C04V C2021 02 09.53038 08 36 21.01 +08 35 35.0 15.7 RmEC186P18
K21C04V C2021 02 09.53149 08 36 14.67 +08 39 00.4 15.3 RrEC186P93
K21C04V C2021 02 09.53150 08 36 22.37 +08 37 44.6 15.9 RmEC186P18
K21C04V C2021 02 09.53239 08 36 15.74 +08 40 43.4 15.1 RrEC186P93
K21C04V C2021 02 09.53262 08 36 23.78 +08 39 52.4 15.5 RmEC186P18
K21C04V C2021 02 09.53329 08 36 16.83 +08 42 25.9 15.1 RrEC186P93
K21C04V C2021 02 09.54679408 36 29.16 +09 07 53.4 15.3 GVEC186381
K21C04V C2021 02 09.54689808 36 29.31 +09 08 03.7 15.4 GVEC186381
K21C04V C2021 02 09.63004608 37 56.38 +11 33 40.6 16.2 GVEC186381
K21C04V C2021 02 09.63011608 37 56.44 +11 33 48.6 16.1 GVEC186381
K21C04V C2021 02 09.64682 08 38 41.64 +11 59 26.8 16.2 GVEC186N88
K21C04V C2021 02 09.64712 08 38 41.94 +11 59 56.0 15.9 GVEC186N88
K21C04V C2021 02 09.64745 08 38 42.27 +12 00 28.0 15.9 GVEC186N88
K21C04V C2021 02 09.64781 08 38 42.66 +12 01 03.4 16.1 GVEC186N88
K21C04V C2021 02 09.64818 08 38 42.99 +12 01 37.4 16.0 GVEC186N88
K21C04V 1C2021 02 09.74710 08 40 41.17 +14 26 32.1 17.2 VVEC186033
K21C04V 1C2021 02 09.74738 08 40 41.46 +14 26 55.8 17.3 VVEC186033
K21C04V 1C2021 02 09.74767 08 40 41.72 +14 27 19.8 17.3 VVEC186033
K21C04V KC2021 02 09.80255 08 41 38.12 +15 41 07.4 16.2 GVEC186958
K21C04V KC2021 02 09.80615 08 41 41.25 +15 45 43.5 16.0 GVEC186958
K21C04V KC2021 02 09.80978 08 41 44.38 +15 50 20.6 15.9 GVEC186958
K21C04V 1C2021 02 09.89215 08 42 42.32 +17 28 21.9 16.8 VVEC186033
K21C04V 1C2021 02 09.89284 08 42 42.82 +17 29 08.8 16.9 VVEC186033
K21C04V 1C2021 02 09.89346 08 42 43.26 +17 29 50.4 16.6 VVEC186033
K21C04V 4C2021 02 09.91135 08 43 12.57 +17 52 31.1 16.2 GVEC186J04
K21C04V 4C2021 02 09.91144 08 43 12.64 +17 52 37.2 16.2 GVEC186J04
K21C04V 4C2021 02 09.91153 08 43 12.69 +17 52 43.0 16.1 GVEC186J04
K21C04V KC2021 02 10.03130 08 44 52.67 +19 52 34.8 16.2 GVEC186W46
K21C04V KC2021 02 10.03428 08 44 54.60 +19 55 24.1 16.2 GVEC186W46
K21C04V KC2021 02 10.03613 08 44 55.78 +19 57 09.9 16.4 GVEC186W46
K21C04V KC2021 02 10.04534 08 45 02.34 +20 05 45.8 16.3 GVEC186W34
K21C04V KC2021 02 10.05068 08 45 05.67 +20 10 44.0 16.3 GVEC186W34
K21C04V KC2021 02 10.05903 08 45 10.79 +20 18 25.4 16.2 GVEC186W34
K21C04V KC2021 02 10.10042108 45 34.87 +20 55 27.2 16.4 GVEC186W33
K21C04V KC2021 02 10.10300808 45 36.30 +20 57 41.9 16.3 GVEC186W33
K21C04V KC2021 02 10.10561108 45 37.73 +20 59 57.2 16.4 GVEC186W33
K21C04V C2021 02 10.12913 08 45 32.05 +21 27 14.3 16.3 RqEC186Y00
K21C04V C2021 02 10.12992 08 45 32.46 +21 27 54.0 16.5 RqEC186Y00
K21C04V C2021 02 10.13072 08 45 32.86 +21 28 33.3 16.3 RqEC186Y00
K21C04V C2021 02 10.13143 08 45 33.20 +21 29 08.6 16.8 RqEC186Y00
K21C04V C2021 02 10.13205 08 45 33.49 +21 29 39.5 16.4 RqEC186Y00
K21C04V C2021 02 10.35606008 48 05.99 +24 07 58.0 16.89cVEC186T05
K21C04V C2021 02 10.35928408 48 07.19 +24 10 02.9 16.86cVEC186T05
K21C04V C2021 02 10.36469608 48 09.22 +24 13 31.8 16.98cVEC186T05
K21C04V C2021 02 10.36980008 48 11.11 +24 16 47.9 16.90cVEC186T05
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
381 Tokyo-Kiso. Observers R. Ohsawa, J. Beniyama. 1.05-m f/3.1 Schmidt +
CCD.
958 Observatoire de Dax. Observer P. Dupouy. 0.32-m f/4.1 Schmidt-
Cassegrain.
I41 Palomar Mountain--ZTF. Observers B. T. Bolin, V. Bhalerao, C. M.
Copperwheat, K. P. Deshmukh, C.-Y. Hsu, Z.-Y. Lin, J. Purdum, S. Royle, K.
Sharma, C. Zhai, Z. T. F. Collaboration. Measurers B. T. Bolin, D. A.
Duev, H.-W. Lin, F. J. Masci, Q.-Z. Ye. 1.2-m f/2.4 Schmidt.
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.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers A.
Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab, R. Kresken. 1.0-m
f/4.4 reflector + CCD.
N88 Xingming Observatory #3, Nanshan. Observer X. Gao. Measurer Q.-Z. Ye.
0.6-m f/8 Ritchey-Chretien + CCD.
P18 Birch Forest Observatory, LaBaGouMen. Observers S. Zhang, H. Chen, X.
Yin. 0.25-m f/4.0 reflector + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers K. Nishiyama,
M. Hagino. 0.5-m f/2.0 reflector + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland. Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland, H.
Flewelling, A. Fitzsimmons, J. Robinson, N. Erasmus. 0.5-m reflector +
CCD.
W33 Transit Dreams Observatory, Campobello. Observer D. Wilde. 0.36-m
Schmidt-Cassegrain + CCD.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. Measurers
R. L. Flynn, J. Gerlach. 0.36-m Schmidt-Cassegrain + CCD.
W46 Foxfire Village. Observer J. Haidet. 0.36-m f/6.3 Ritchey-Chretien +
CCD.
Y00 SONEAR Observatory, Oliveira. Observers C. Jacques, E. Pimentel, J.
Barros, P. Holvorcem. Measurer C. Jacques. 0.45-m f/2.9 reflector + CCD.
Orbital elements:
2021 CV4 Earth MOID = 0.0071 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 359.71709 (2000.0) P Q
n 0.69247094 Peri. 252.39253 +0.80127744 -0.55994107
a 1.2653238 Node 140.90399 +0.59135963 +0.79469766
e 0.5907335 Incl. 19.52465 -0.09081990 +0.23435364
P 1.42 H 24.63 G 0.15 U 7
Residuals in seconds of arc
210209 I41 0.3+ 0.0+ 210209 381 0.7- 0.8- 210210 W46 0.4- 2.1-
210209 I41 0.3+ 0.3- 210209 381 0.9- 0.3+ 210210 W46 0.3- 2.5-
210209 I41 (1.0+ 0.6+) 210209 N88 0.5- 0.6+ 210210 W46 0.3- 1.7-
210209 I41 0.4+ 0.2+ 210209 N88 0.5- 0.9+ 210210 W34 0.2+ 0.8+
210209 I52 1.3- 0.1+ 210209 N88 0.5- 1.2+ 210210 W34 0.0- 0.7+
210209 I52 1.2- 0.1+ 210209 N88 0.0- 1.9+ 210210 W34 0.3- 0.2-
210209 I52 1.3- 0.0+ 210209 N88 0.6- 0.4+ 210210 W33 0.1+ 0.2+
210209 I52 1.2- 0.1+ 210209 033 0.5- 0.2- 210210 W33 0.1+ 0.0-
210209 I52 1.1- 0.1+ 210209 033 0.2- 0.2+ 210210 W33 0.2+ 0.0-
210209 I52 1.2- 0.1+ 210209 033 0.5- 0.1+ 210210 Y00 0.2+ 0.7-
210209 I52 1.2- 0.0+ 210209 958 0.5- 0.4+ 210210 Y00 0.5+ 0.0-
210209 P18 0.8- 0.1- 210209 958 0.5- 0.0- 210210 Y00 0.6+ 0.3-
210209 P93 (1.0- 1.8-) 210209 958 0.5- 0.3- 210210 Y00 0.5+ 0.0-
210209 P18 0.4- 0.3+ 210209 033 0.2- 0.2+ 210210 Y00 0.3+ 0.3+
210209 P93 (0.3- 2.3-) 210209 033 0.2- 0.4+ 210210 T05 0.7+ 0.1+
210209 P18 0.6+ 0.8- 210209 033 0.3- 0.0- 210210 T05 0.5+ 0.2-
210209 P93 (0.6+ 3.1-) 210209 J04 0.2- 0.0- 210210 T05 0.6+ 0.2-
210209 381 1.2- 1.9+ 210209 J04 0.0- 0.1+ 210210 T05 0.6+ 0.0+
210209 381 0.7- 0.5+ 210209 J04 0.2- 0.1-
Ephemeris:
2021 CV4 a,e,i = 1.27, 0.59, 20 q = 0.5179
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 01 11 21 01 23.3 -40 44 31 0.3715 0.6743 27.1 138.4 28.3
...
2021 01 26 21 11 10.7 -44 47 28 0.1677 0.8389 27.2 147.6 28.4
...
2021 02 03 21 16 48.2 -48 48 59 0.06926 0.9278 32.3 145.4 26.3
...
2021 02 09 08 16 18.2 -18 18 14 0.0080520.9930 142.2 37.5 15.7
2021 02 10 08 44 03.3 +19 25 16 0.01733 1.0037 167.0 12.8 16.6
2021 02 11 08 52 30.5 +29 13 36 0.02878 1.0143 161.6 17.9 17.9
...
2021 02 17 09 03 36.7 +39 07 34 0.1012 1.0769 150.0 27.3 21.0
...
2021 02 25 09 07 46.4 +40 29 19 0.2004 1.1571 143.5 30.6 22.8
...
2021 03 12 09 16 02.7 +39 40 50 0.3958 1.2964 133.0 34.1 24.6
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-C186
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