MPEC 2018-H05 : 2018 GX4
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M.P.E.C. 2018-H05 Issued 2018 Apr. 16, 16:32 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 GX4
Observations:
K18G04X* C2018 04 12.31843 13 50 35.46 +11 11 05.1 20.6 GUEH005G96
K18G04X C2018 04 12.32358 13 50 34.84 +11 11 07.4 21.3 GUEH005G96
K18G04X C2018 04 12.32872 13 50 34.20 +11 11 09.3 21.0 GUEH005G96
K18G04X C2018 04 12.33386 13 50 33.66 +11 11 11.3 20.8 GUEH005G96
K18G04X C2018 04 12.34908 13 50 32.323+11 11 19.88 20.9 wUEH005F51
K18G04X C2018 04 12.36205 13 50 30.807+11 11 25.61 21.0 wUEH005F51
K18G04X C2018 04 12.37498 13 50 29.290+11 11 31.25 21.2 wUEH005F51
K18G04X C2018 04 12.38794 13 50 27.763+11 11 36.84 20.9 wUEH005F51
K18G04X C2018 04 12.49062 13 50 15.31 +11 12 18.1 21.2 GUEH005G96
K18G04X C2018 04 12.49437 13 50 14.83 +11 12 19.9 22.1 GUEH005G96
K18G04X C2018 04 12.49755 13 50 14.55 +11 12 20.3 21.0 GUEH005G96
K18G04X C2018 04 13.39220 13 48 31.93 +11 18 36.2 20.6 GUEH005I52
K18G04X C2018 04 13.39428 13 48 31.71 +11 18 36.8 20.3 GUEH005I52
K18G04X C2018 04 13.39659 13 48 31.44 +11 18 37.8 20.7 GUEH005I52
K18G04X C2018 04 13.39783 13 48 31.31 +11 18 38.3 20.8 GUEH005I52
K18G04X |C2018 04 15.22227 13 44 57.10 +11 30 46.2 20.9 VuEH005807
K18G04X |C2018 04 15.22662 13 44 56.56 +11 30 48.2 20.6 VuEH005807
K18G04X |C2018 04 15.23161 13 44 55.93 +11 30 50.2 21.0 VuEH005807
K18G04X C2018 04 15.23967 13 44 55.34 +11 30 42.0 20.6 GUEH005I52
K18G04X C2018 04 15.24092 13 44 55.20 +11 30 42.7 20.3 GUEH005I52
K18G04X C2018 04 15.24302 13 44 54.95 +11 30 43.1 20.1 GUEH005I52
K18G04X C2018 04 15.24509 13 44 54.69 +11 30 44.1 20.4 GUEH005I52
K18G04X C2018 04 16.37344 13 42 38.72 +11 37 33.7 20.9 GUEH005I52
K18G04X C2018 04 16.37656 13 42 38.32 +11 37 34.6 20.7 GUEH005I52
K18G04X C2018 04 16.38539 13 42 37.18 +11 37 37.8 20.5 GUEH005I52
Observer details:
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ 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. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
1.8-m Ritchey-Chretien + 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.
I52 Steward Observatory, Mt. Lemmon Station. Observers E. J. Christensen,
A. R. Gibbs, J. A. Johnson. 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 GX4 Earth MOID = 0.0749 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 262.13770 (2000.0) P Q
n 0.51243184 Peri. 276.15118 +0.89270973 +0.38893917
a 1.5466023 Node 61.16063 -0.23602644 +0.83378290
e 0.4739866 Incl. 15.05875 -0.38387609 +0.39183211
P 1.92 H 19.3 G 0.15 U 8
Residuals in seconds of arc
180412 G96 0.2+ 0.0 180412 G96 0.6- 0.3+ 180415 I52 0.2- 0.1-
180412 G96 0.0 0.1+ 180412 G96 0.7+ 0.6- 180415 I52 0.0 0.2+
180412 G96 0.5- 0.2- 180413 I52 0.4- 0.1+ 180415 I52 0.1+ 0.2-
180412 G96 0.4+ 0.4- 180413 I52 0.0 0.2- 180415 I52 0.0 0.0
180412 F51 0.0 0.0 180413 I52 0.1+ 0.1- 180416 I52 0.3+ 0.1+
180412 F51 0.0 0.1+ 180413 I52 0.3+ 0.1- 180416 I52 0.1+ 0.1-
180412 F51 0.0 0.1+ 180415 807 0.2+ 0.2- 180416 I52 0.5- 0.0
180412 F51 0.1- 0.1+ 180415 807 0.1+ 0.2+
180412 G96 0.1+ 0.1+ 180415 807 0.1- 0.3+
Ephemeris:
2018 GX4 a,e,i = 1.55, 0.47, 15 q = 0.8135
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 03 17 14 24 39.7 +07 19 56 1.0822 1.9519 140.0 19.1 21.9
...
2018 04 01 14 09 23.0 +09 36 40 0.9348 1.8836 153.8 13.5 21.3
...
2018 04 09 13 56 40.4 +10 45 57 0.8761 1.8444 158.4 11.5 21.0
...
2018 04 15 13 45 23.7 +11 29 15 0.8422 1.8137 158.7 11.6 20.9
2018 04 16 13 43 24.1 +11 35 25 0.8374 1.8085 158.4 11.8 20.9
2018 04 17 13 41 22.9 +11 41 13 0.8329 1.8032 158.0 12.0 20.9
...
2018 04 23 13 28 52.5 +12 07 39 0.8110 1.7711 154.2 14.3 20.9
...
2018 05 01 13 11 57.9 +12 17 07 0.7950 1.7265 146.4 18.8 21.0
...
2018 05 16 12 44 05.3 +11 08 55 0.7990 1.6377 129.2 28.6 21.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-H05
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