MPEC 2018-H44 : 2018 GW5
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Read MPEC 2018-H45
M.P.E.C. 2018-H44 Issued 2018 Apr. 20, 15:10 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 GW5
Observations:
K18G05W* C2018 04 15.23091 11 17 34.15 -00 49 59.2 21.3 GUEH044G96
K18G05W C2018 04 15.23608 11 17 34.48 -00 49 54.7 21.4 GUEH044G96
K18G05W C2018 04 15.24124 11 17 34.84 -00 49 50.0 21.4 GUEH044G96
K18G05W C2018 04 15.24641 11 17 35.14 -00 49 45.1 21.7 GUEH044G96
K18G05W C2018 04 15.31452 11 17 39.50 -00 48 41.3 20.6 GUEH044I52
K18G05W C2018 04 15.31949 11 17 39.85 -00 48 36.5 20.4 GUEH044I52
K18G05W C2018 04 15.32446 11 17 40.14 -00 48 31.9 20.6 GUEH044I52
K18G05W C2018 04 15.32944 11 17 40.46 -00 48 27.1 20.8 GUEH044I52
K18G05W |C2018 04 16.00626 11 18 28.23 -00 37 55.9 21.1 GUEH044807
K18G05W |C2018 04 16.01167 11 18 28.57 -00 37 51.7 21.1 GUEH044807
K18G05W |C2018 04 16.01723 11 18 28.90 -00 37 47.2 21.1 GUEH044807
K18G05W C2018 04 16.13151 11 18 36.69 -00 36 23.7 20.8 GUEH044I52
K18G05W C2018 04 16.13486 11 18 36.93 -00 36 20.5 20.9 GUEH044I52
K18G05W C2018 04 16.13819 11 18 37.10 -00 36 17.2 21.1 GUEH044I52
K18G05W C2018 04 17.86563 11 20 32.13 -00 12 53.0 21.6 VSEH044033
K18G05W C2018 04 17.86938 11 20 32.38 -00 12 50.1 21.4 VSEH044033
K18G05W C2018 04 17.87313 11 20 32.61 -00 12 47.2 21.3 VSEH044033
K18G05W C2018 04 17.87689 11 20 32.84 -00 12 44.3 21.2 VSEH044033
K18G05W |C2018 04 18.06093 11 20 45.13 -00 10 05.9 21.4 GUEH044807
K18G05W |C2018 04 18.06560 11 20 45.41 -00 10 02.5 21.4 GUEH044807
K18G05W |C2018 04 18.07005 11 20 45.68 -00 09 59.2 21.5 GUEH044807
K18G05W C2018 04 18.89576 11 21 39.06 -00 00 21.6 20.8 VSEH044033
K18G05W C2018 04 18.89952 11 21 39.27 -00 00 18.4 20.6 VSEH044033
K18G05W C2018 04 18.90327 11 21 39.50 -00 00 16.0 20.5 VSEH044033
K18G05W C2018 04 18.90703 11 21 39.71 -00 00 13.8 20.6 VSEH044033
K18G05W C2018 04 20.18345 11 23 01.53 +00 13 57.1 21.7 GUEH044V06
K18G05W C2018 04 20.18739 11 23 01.74 +00 13 59.7 21.5 GUEH044V06
K18G05W C2018 04 20.19133 11 23 01.97 +00 14 02.0 22.2 GUEH044V06
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph
+ CCD, 1.00-m f/10.0 astrograph + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. 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 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.
V06 Catalina Sky Survey-Kuiper. Observer E. J. Christensen. 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 GW5 Earth MOID = 0.0941 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 8.74241 (2000.0) P Q
n 0.16742154 Peri. 236.95946 +0.18017125 -0.98106018
a 3.2603320 Node 202.97970 +0.95227457 +0.19208415
e 0.8376494 Incl. 10.49743 +0.24639696 -0.02499224
P 5.89 H 20.7 G 0.15 U 7
Residuals in seconds of arc
180415 G96 0.2- 0.2+ 180416 807 0.3- 0.4- 180418 807 0.0 0.2-
180415 G96 0.2- 0.1- 180416 I52 0.2+ 0.1- 180418 033 0.1+ 0.2-
180415 G96 0.3+ 0.3- 180416 I52 0.6+ 0.2+ 180418 033 0.2- 0.4+
180415 G96 0.1- 0.2- 180416 I52 0.0 0.6+ 180418 033 0.2- 0.2+
180415 I52 0.1- 0.1- 180417 033 0.1- 0.1- 180418 033 0.4- 0.3-
180415 I52 0.3+ 0.0 180417 033 0.2+ 0.0 180420 V06 0.3+ 0.0
180415 I52 0.2- 0.0 180417 033 0.2+ 0.0 180420 V06 0.0 0.1+
180415 I52 0.2- 0.1+ 180417 033 0.1+ 0.1+ 180420 V06 0.0 0.0
180416 807 0.0 0.5+ 180418 807 0.1- 0.1-
180416 807 0.0 0.1- 180418 807 0.1- 0.2-
Ephemeris:
2018 GW5 a,e,i = 3.26, 0.84, 10 q = 0.5293
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 03 21 09 58 25.2 -28 21 43 0.1380 1.1044 139.4 36.0 18.1
...
2018 04 05 11 03 12.0 -05 00 08 0.3471 1.3172 152.2 20.8 20.0
...
2018 04 13 11 14 54.3 -01 28 03 0.4774 1.4268 147.0 22.5 20.9
...
2018 04 19 11 21 45.8 +00 01 02 0.5812 1.5070 142.4 24.0 21.5
2018 04 20 11 22 49.7 +00 12 08 0.5989 1.5203 141.6 24.2 21.6
2018 04 21 11 23 52.7 +00 22 21 0.6168 1.5334 140.8 24.4 21.7
...
2018 04 27 11 29 56.7 +01 08 10 0.7269 1.6115 136.2 25.6 22.2
...
2018 05 05 11 37 43.2 +01 38 35 0.8805 1.7130 130.0 26.8 22.8
...
2018 05 20 11 52 16.8 +01 37 41 1.1875 1.8959 118.9 27.9 23.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-H44
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