MPEC 2018-C55 : 2018 CQ1
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M.P.E.C. 2018-C55 Issued 2018 Feb. 10, 18:50 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 CQ1
Observations:
K18C01Q* S2018 02 03.28145 15 38 40.19 +21 09 52.1 20 RLEC055C51
K18C01Q s2018 02 03.28145 1 - 2318.5191 - 6089.9794 + 2133.3151 EC055C51
K18C01Q S2018 02 03.47781 15 38 33.29 +21 16 16.2 LEC055C51
K18C01Q s2018 02 03.47781 1 - 2298.0010 - 6098.2187 + 2131.9767 EC055C51
K18C01Q S2018 02 03.54326 15 38 31.17 +21 18 25.3 LEC055C51
K18C01Q s2018 02 03.54326 1 - 2291.1519 - 6100.9436 + 2131.5352 EC055C51
K18C01Q S2018 02 03.60871 15 38 28.77 +21 20 30.7 LEC055C51
K18C01Q s2018 02 03.60871 1 - 2284.2955 - 6103.6604 + 2131.1236 EC055C51
K18C01Q S2018 02 03.73962 15 38 23.95 +21 24 46.3 LEC055C51
K18C01Q s2018 02 03.73962 1 - 2270.5953 - 6109.0895 + 2130.1957 EC055C51
K18C01Q S2018 02 04.00142 15 38 14.74 +21 33 15.2 LEC055C51
K18C01Q s2018 02 04.00142 1 - 2243.1545 - 6119.8555 + 2128.3488 EC055C51
K18C01Q C2018 02 06.44838415 36 40.86 +22 51 48.9 21.1 GUEC055H01
K18C01Q C2018 02 06.45264015 36 40.66 +22 51 57.1 21.5 GUEC055H01
K18C01Q C2018 02 06.46236915 36 40.22 +22 52 15.8 21.3 GUEC055H01
K18C01Q KC2018 02 06.46474 15 36 39.96 +22 52 22.4 oEC055711
K18C01Q KC2018 02 06.46873 15 36 39.83 +22 52 30.5 oEC055711
K18C01Q C2018 02 06.46976115 36 39.88 +22 52 30.2 21.0 GUEC055H01
K18C01Q KC2018 02 06.47287 15 36 39.49 +22 52 38.1 oEC055711
K18C01Q KC2018 02 06.48433 15 36 39.25 +22 52 58.7 oEC055691
K18C01Q KC2018 02 06.49699 15 36 38.62 +22 53 23.2 oEC055691
K18C01Q KC2018 02 06.51068 15 36 38.00 +22 53 49.8 oEC055691
K18C01Q C2018 02 07.46919 15 35 56.73 +23 24 17.5 22.0 GUEC055V06
K18C01Q C2018 02 07.47280 15 35 56.55 +23 24 23.1 UEC055V06
K18C01Q C2018 02 07.48001 15 35 56.14 +23 24 37.9 UEC055V06
K18C01Q HC2018 02 07.51398 15 35 54.46 +23 25 43.6 21.5 RoEC055691
K18C01Q HC2018 02 07.52210 15 35 54.06 +23 25 58.9 oEC055691
K18C01Q C2018 02 07.52736 15 35 53.71 +23 26 09.1 22.4 GUEC055I52
K18C01Q C2018 02 07.52974 15 35 53.62 +23 26 12.9 23.1 GUEC055I52
K18C01Q HC2018 02 07.53025 15 35 53.62 +23 26 15.5 22.3 RoEC055691
K18C01Q C2018 02 07.53216 15 35 53.48 +23 26 18.0 21.6 GUEC055I52
K18C01Q C2018 02 07.53457 15 35 53.42 +23 26 22.8 UEC055I52
K18C01Q C2018 02 08.46042 15 35 11.12 +23 55 36.0 21.4 GUEC055V06
K18C01Q C2018 02 08.46926 15 35 10.65 +23 55 53.1 21.4 GUEC055V06
K18C01Q C2018 02 08.47827 15 35 10.19 +23 56 10.1 21.2 GUEC055V06
K18C01Q C2018 02 08.48728 15 35 09.70 +23 56 27.1 21.5 GUEC055V06
Observer details:
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m f/3
reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
C51 WISE. Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero,
J. W. Dailey, R. M. Cutri, E. L. Wright, C. Nugent, S. Sonnett, E. Kramer.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer 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.
V06 Catalina Sky Survey-Kuiper. Observer R. A. Kowalski. 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. 1.55-m reflector + CCD.
Orbital elements:
2018 CQ1 Earth MOID = 0.2182 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 63.91555 (2000.0) P Q
n 0.58268703 Peri. 319.38946 +0.54885570 -0.77187798
a 1.4196430 Node 94.91981 +0.82581793 +0.44119631
e 0.5706357 Incl. 18.78774 +0.12954596 +0.45776654
P 1.69 H 20.9 G 0.15 U 9
Residuals in seconds of arc
180203 C51 0.6+ 0.3+ 180206 711 0.6- 0.8+ 180207 691 0.3+ 0.2+
180203 C51 0.6- 0.7+ 180206 H01 0.3+ 0.3- 180207 I52 0.6- 0.4+
180203 C51 (1.7+ 2.0+) 180206 711 (2.6- 0.4+) 180207 I52 0.2- 0.3-
180203 C51 0.3+ 0.3- 180206 691 0.1+ 0.3- 180207 691 0.0 1.2+
180203 C51 (2.5- 0.1+) 180206 691 0.3- 0.3- 180207 I52 0.4- 0.2+
180204 C51 0.5- 0.7- 180206 691 0.2+ 0.1- 180207 I52 0.5+ 0.3+
180206 H01 0.0 0.2- 180207 V06 0.4+ 0.4+ 180208 V06 0.2- 0.4-
180206 H01 0.0 0.3- 180207 V06 0.4+ 0.9- 180208 V06 0.2- 0.2-
180206 H01 0.2+ 0.4- 180207 V06 0.2- 0.0 180208 V06 0.0 0.5-
180206 711 (1.5- 0.4+) 180207 691 0.1+ 0.4+ 180208 V06 0.1- 0.7-
Ephemeris:
2018 CQ1 a,e,i = 1.42, 0.57, 19 q = 0.6095
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 11 15 50 50.2 +05 55 25 0.3936 0.8579 60.1 96.5 22.0
...
2018 01 26 15 42 34.5 +16 28 42 0.4589 1.0077 79.5 73.9 21.8
...
2018 02 03 15 38 50.1 +21 00 39 0.4866 1.0870 88.4 65.0 21.8
...
2018 02 09 15 34 44.4 +24 12 37 0.5044 1.1453 94.8 59.1 21.8
2018 02 10 15 33 53.9 +24 43 57 0.5072 1.1549 95.9 58.2 21.8
2018 02 11 15 33 00.1 +25 15 05 0.5100 1.1644 96.9 57.3 21.8
...
2018 02 17 15 26 22.7 +28 18 02 0.5260 1.2209 103.2 52.0 21.9
...
2018 02 25 15 13 43.2 +32 07 30 0.5476 1.2938 111.3 45.5 21.9
...
2018 03 12 14 37 20.9 +37 49 45 0.5984 1.4225 124.8 35.0 22.0
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-C55
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