MPEC 2018-C72 : 2018 CO2
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M.P.E.C. 2018-C72 Issued 2018 Feb. 10, 22:30 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
2018 CO2
Observations:
K18C02O C2018 01 30.58693 12 33 35.542+36 19 53.90 20.5 iUEC072F51
K18C02O* C2018 02 08.38570 12 56 49.33 +40 23 37.5 19.5 GUEC072G96
K18C02O C2018 02 08.39089 12 56 50.25 +40 23 47.6 19.5 GUEC072G96
K18C02O C2018 02 08.39609 12 56 51.18 +40 23 57.9 19.6 GUEC072G96
K18C02O C2018 02 08.40129 12 56 52.08 +40 24 07.9 UEC072G96
K18C02O C2018 02 08.42461 12 56 56.22 +40 24 54.3 19.3 GUEC072I52
K18C02O C2018 02 08.42730 12 56 56.71 +40 24 59.6 19.0 GUEC072I52
K18C02O C2018 02 08.42772 12 56 56.76 +40 25 00.5 19.1 GUEC072I52
K18C02O C2018 02 08.42948 12 56 57.08 +40 25 04.3 19.3 GUEC072I52
K18C02O C2018 02 08.93113 12 58 30.52 +40 41 34.2 20.0 VqEC072C42
K18C02O C2018 02 08.93191 12 58 30.64 +40 41 35.8 20.0 VqEC072C42
K18C02O C2018 02 08.93269 12 58 30.77 +40 41 37.2 19.6 VqEC072C42
K18C02O C2018 02 08.93426 12 58 31.07 +40 41 40.4 20.0 VqEC072C42
K18C02O C2018 02 09.23233112 59 29.36 +40 51 34.8 19.2 GUEC072H01
K18C02O C2018 02 09.23624012 59 30.10 +40 51 42.8 19.1 GUEC072H01
K18C02O C2018 02 09.25125012 59 32.95 +40 52 14.2 18.7 GUEC072H01
K18C02O C2018 02 09.26159612 59 34.91 +40 52 35.8 19.3 GUEC072H01
K18C02O C2018 02 09.31433 12 59 44.90 +40 54 25.6 19.2 GUEC072I52
K18C02O C2018 02 09.31654 12 59 45.27 +40 54 30.4 19.3 GUEC072I52
K18C02O C2018 02 09.31849 12 59 45.63 +40 54 34.3 19.3 GUEC072I52
K18C02O C2018 02 09.32012 12 59 45.96 +40 54 37.7 19.3 GUEC072I52
K18C02O C2018 02 09.40617 13 00 02.10 +40 57 35.7 19.4 rUEC072I41
K18C02O C2018 02 09.41113 13 00 03.01 +40 57 45.9 19.6 rUEC072I41
K18C02O KC2018 02 09.41442 13 00 03.30 +40 57 54.2 oEC072711
K18C02O KC2018 02 09.41709 13 00 03.79 +40 57 59.5 oEC072711
K18C02O KC2018 02 09.41976 13 00 04.31 +40 58 04.5 oEC072711
K18C02O C2018 02 09.42156 13 00 04.93 +40 58 07.4 19.4 rUEC072I41
K18C02O C2018 02 09.42406 13 00 05.41 +40 58 12.6 19.4 rUEC072I41
K18C02O C2018 02 09.45472 13 00 11.06 +40 59 15.5 19.4 rUEC072I41
K18C02O C2018 02 09.45571 13 00 11.24 +40 59 17.8 19.5 rUEC072I41
K18C02O C2018 02 09.46075 13 00 12.17 +40 59 28.0 19.5 rUEC072I41
K18C02O C2018 02 09.46124 13 00 12.25 +40 59 29.0 19.4 rUEC072I41
K18C02O C2018 02 09.51825 13 00 22.81 +41 01 25.4 19.4 rUEC072I41
K18C02O C2018 02 09.91483 13 01 40.80 +41 14 59.4 20.0 VqEC072C42
K18C02O C2018 02 09.91560 13 01 40.93 +41 15 01.0 20.1 VqEC072C42
K18C02O C2018 02 09.91718 13 01 41.24 +41 15 04.5 20.0 VqEC072C42
K18C02O KC2018 02 09.98582 13 01 55.85 +41 17 23.8 19.4 UEC072104
K18C02O KC2018 02 09.98953 13 01 56.54 +41 17 31.8 19.1 UEC072104
K18C02O KC2018 02 09.99360 13 01 57.36 +41 17 40.0 19.5 UEC072104
K18C02O KC2018 02 10.87771 13 04 56.88 +41 48 47.9 19.4 GUEC072587
K18C02O KC2018 02 10.87848 13 04 57.06 +41 48 50.0 UEC072587
K18C02O KC2018 02 10.88042 13 04 57.45 +41 48 53.7 UEC072587
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
587 Sormano. Observers A. Fumagalli, I. Proserpio, P. Sicoli, A. Testa.
Measurer P. Sicoli. 0.5-m f/6.8 reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
C42 Xingming Observatory, Mt. Nanshan. Observers X. Liao, X. Gao. Measurer
X. Liao. 0.6-m f/8 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I41 Palomar Mountain--ZTF. Measurers Q.-Z. Ye, F. Masci. 1.2-m f/2.44 Oschin
Schmidt + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers R. A. Kowalski,
G. J. Leonard. Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard,
R. G. Matheny, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
Orbital elements:
2018 CO2 Earth MOID = 0.1665 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 347.20292 (2000.0) P Q
n 0.38384785 Peri. 225.27680 -0.22124264 +0.96528457
a 1.8751239 Node 32.69761 -0.80627826 -0.10096247
e 0.6823624 Incl. 14.89326 -0.54860465 -0.24089889
P 2.57 H 19.4 G 0.15 U 7
Residuals in seconds of arc
180130 F51 0.0 0.0 180209 H01 0.2- 0.1- 180209 I41 0.3+ 0.1+
180208 G96 0.3- 0.1+ 180209 H01 0.1- 0.0 180209 I41 0.3+ 0.4+
180208 G96 0.3- 0.1- 180209 H01 0.1- 0.0 180209 I41 0.3+ 0.3+
180208 G96 0.2- 0.1- 180209 I52 0.2+ 0.1- 180209 I41 0.2+ 0.2+
180208 G96 0.4- 0.5- 180209 I52 0.3- 0.1+ 180209 I41 0.4+ 0.4+
180208 I52 0.1- 0.2- 180209 I52 0.4- 0.1- 180209 C42 0.1- 0.2-
180208 I52 0.1+ 0.3- 180209 I52 0.1- 0.1- 180209 C42 0.2- 0.2-
180208 I52 0.2- 0.2- 180209 I41 0.4+ 0.3+ 180209 C42 0.1- 0.0
180208 I52 0.1- 0.1+ 180209 I41 0.3+ 0.3+ 180209 104 0.1- 0.1+
180208 C42 0.3+ 0.0 180209 711 0.1+ 0.2+ 180209 104 0.4- 0.2+
180208 C42 0.1+ 0.1+ 180209 711 0.1+ 0.0 180209 104 0.0 0.3-
180208 C42 0.1- 0.1- 180209 711 0.4+ 0.5- 180210 587 0.3- 0.1-
180208 C42 0.1+ 0.0 180209 I41 0.2+ 0.2+ 180210 587 0.1- 0.3+
180209 H01 0.1- 0.1+ 180209 I41 0.4+ 0.3+ 180210 587 0.2- 0.3-
Ephemeris:
2018 CO2 a,e,i = 1.88, 0.68, 15 q = 0.5956
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 11 11 55 03.1 +30 54 44 0.8778 1.6166 120.5 31.6 21.5
...
2018 01 26 12 23 32.2 +34 41 15 0.6460 1.4656 126.8 32.6 20.7
...
2018 02 03 12 41 49.6 +37 44 51 0.5336 1.3811 128.3 34.1 20.2
...
2018 02 09 12 58 43.5 +40 43 51 0.4548 1.3159 127.9 36.3 19.8
2018 02 10 13 01 57.5 +41 17 56 0.4421 1.3049 127.7 36.7 19.7
2018 02 11 13 05 20.9 +41 53 22 0.4296 1.2939 127.4 37.3 19.6
...
2018 02 17 13 30 08.8 +45 57 35 0.3578 1.2268 124.5 41.6 19.2
...
2018 02 25 14 26 30.4 +52 55 30 0.2719 1.1353 115.9 51.6 18.8
...
2018 03 12 19 38 55.7 +52 51 26 0.1707 0.9602 73.8 96.3 18.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-C72
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