MPEC 2018-G87 : 2018 GS2
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M.P.E.C. 2018-G87 Issued 2018 Apr. 13, 19:26 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 GS2
Observations:
K18G02S* C2018 04 11.34520 14 20 45.39 +13 53 04.3 21.1 GUEG087G96
K18G02S C2018 04 11.35036 14 20 47.45 +13 53 43.5 21.2 GUEG087G96
K18G02S C2018 04 11.35555 14 20 49.61 +13 54 23.4 21.2 GUEG087G96
K18G02S C2018 04 11.36072 14 20 51.71 +13 55 02.7 22.0 GUEG087G96
K18G02S C2018 04 11.39383714 21 04.98 +13 59 10.7 21.2 GUEG087H01
K18G02S KC2018 04 11.39884 14 21 07.29 +13 59 52.4 oEG087291
K18G02S KC2018 04 11.40282 14 21 09.02 +14 00 22.3 21.0 RoEG087291
K18G02S C2018 04 11.40313114 21 08.80 +14 00 21.3 20.4 GUEG087H01
K18G02S KC2018 04 11.40685 14 21 10.69 +14 00 52.9 21.1 RoEG087291
K18G02S C2018 04 11.40773114 21 10.70 +14 00 56.1 20.5 GUEG087H01
K18G02S C2018 04 11.41566814 21 14.01 +14 01 56.3 21.4 GUEG087H01
K18G02S C2018 04 12.26643 14 27 58.96 +15 55 53.0 21.0 GUEG087I52
K18G02S C2018 04 12.26977 14 28 00.56 +15 56 21.3 UEG087I52
K18G02S C2018 04 12.27642 14 28 03.67 +15 57 18.1 UEG087I52
K18G02S C2018 04 13.40005 14 38 16.51 +18 47 05.5 20.6 GUEG087I52
K18G02S C2018 04 13.40443 14 38 18.96 +18 47 47.6 20.6 GUEG087I52
K18G02S C2018 04 13.40882 14 38 21.45 +18 48 30.2 UEG087I52
Observer details:
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers B. M. Africano,
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. 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.
I52 Steward Observatory, Mt. Lemmon Station. Observers J. A. Johnson,
E. J. Christensen. Measurers B. M. Africano, 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. L. Seaman, F. C. Shelly. 1.0-m reflector
+ CCD.
Orbital elements:
2018 GS2 Earth MOID = 0.0398 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 333.36612 (2000.0) P Q
n 0.37005392 Peri. 96.40731 +0.02863305 +0.99955883
a 1.9214365 Node 175.21216 -0.95042399 +0.02966973
e 0.5640735 Incl. 5.42612 -0.30963591 +0.00136156
P 2.66 H 24.9 G 0.15 U 8
Residuals in seconds of arc
180411 G96 0.1- 0.5- 180411 291 0.4+ 0.1+ 180412 I52 0.4+ 0.2-
180411 G96 0.7- 0.4- 180411 H01 0.0 0.1- 180412 I52 0.1- 0.1-
180411 G96 0.0 0.2+ 180411 291 0.6+ 0.1+ 180413 I52 0.2+ 0.1+
180411 G96 0.0 0.4+ 180411 H01 0.0 0.1- 180413 I52 0.2- 0.1-
180411 H01 0.1+ 0.2- 180411 H01 0.4+ 0.1- 180413 I52 0.1- 0.2+
180411 291 1.0- 0.4+ 180412 I52 0.1+ 0.1-
Ephemeris:
2018 GS2 a,e,i = 1.92, 0.56, 5 q = 0.8376
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 03 14 13 11 05.0 -05 47 36 0.3650 1.3327 154.5 18.8 24.3
...
2018 03 29 13 31 27.0 -00 55 59 0.2143 1.2060 164.3 12.9 22.7
...
2018 04 06 13 52 46.2 +05 30 30 0.1453 1.1397 162.1 15.7 21.9
...
2018 04 12 14 25 45.0 +15 19 19 0.1003 1.0913 151.2 26.2 21.3
2018 04 13 14 34 25.2 +17 44 17 0.09372 1.0834 148.3 29.1 21.2
2018 04 14 14 44 36.1 +20 27 45 0.08747 1.0756 144.8 32.5 21.1
...
2018 04 20 16 48 08.3 +42 52 05 0.06232 1.0298 112.3 64.5 21.2
...
2018 04 28 21 55 57.4 +45 13 33 0.08068 0.9731 63.3 112.4 23.7
...
2018 05 13 00 05 21.3 +26 26 15 0.1882 0.8875 45.1 126.3 26.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-G87
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