MPEC 2018-H73 : 2018 HP1
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M.P.E.C. 2018-H73 Issued 2018 Apr. 24, 21:50 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 HP1
Observations:
K18H01P* C2018 04 21.32439 14 25 15.32 +05 23 45.7 19.7 GUEH073G96
K18H01P C2018 04 21.32952 14 25 15.28 +05 23 57.8 19.8 GUEH073G96
K18H01P C2018 04 21.33466 14 25 15.22 +05 24 09.6 19.9 GUEH073G96
K18H01P C2018 04 21.33983 14 25 15.16 +05 24 22.1 19.6 GUEH073G96
K18H01P C2018 04 21.41499 14 25 14.60 +05 27 14.6 20.1 GUEH073703
K18H01P C2018 04 21.42022 14 25 14.39 +05 27 28.6 20.2 GUEH073703
K18H01P C2018 04 21.42544 14 25 14.36 +05 27 41.2 20.3 GUEH073703
K18H01P C2018 04 21.43067 14 25 14.32 +05 27 53.5 19.4 GUEH073703
K18H01P C2018 04 21.44843 14 25 14.25 +05 28 34.9 19.6 GUEH073I52
K18H01P C2018 04 21.44967 14 25 14.23 +05 28 37.7 20.1 GUEH073I52
K18H01P C2018 04 21.45091 14 25 14.22 +05 28 40.9 19.7 GUEH073I52
K18H01P C2018 04 21.45215 14 25 14.22 +05 28 43.6 19.8 GUEH073I52
K18H01P C2018 04 21.68200 14 25 14.46 +05 37 41.9 19.5 RrEH073P93
K18H01P C2018 04 21.68570 14 25 14.42 +05 37 50.9 19.4 RrEH073P93
K18H01P C2018 04 21.69310 14 25 14.34 +05 38 08.2 19.6 RrEH073P93
K18H01P KC2018 04 21.94384 14 25 14.43 +05 47 55.7 20.1 VSEH073L01
K18H01P KC2018 04 21.94681 14 25 14.40 +05 48 01.9 19.9 VSEH073L01
K18H01P KC2018 04 21.98562 14 25 14.14 +05 49 33.8 19.8 VSEH073L01
K18H01P KC2018 04 21.98810 14 25 14.05 +05 49 40.2 19.8 VSEH073L01
K18H01P KC2018 04 21.99127 14 25 14.13 +05 49 47.4 19.4 GUEH073203
K18H01P KC2018 04 22.02015 14 25 13.90 +05 50 56.2 19.8 GUEH073203
K18H01P C2018 04 22.29976 14 25 13.67 +06 02 03.2 19.5 GUEH073I52
K18H01P C2018 04 22.30328 14 25 13.61 +06 02 11.1 19.0 GUEH073I52
K18H01P C2018 04 22.30504 14 25 13.60 +06 02 15.4 19.6 GUEH073I52
K18H01P KC2018 04 22.87745 14 25 12.63 +06 25 00.7 19.7 VqEH073595
K18H01P pC2018 04 22.88721 14 25 12.56 +06 25 24.0 19.7 VSEH073L01
K18H01P KC2018 04 22.89051 14 25 12.56 +06 25 32.0 19.8 VSEH073L01
K18H01P KC2018 04 22.89259 14 25 12.57 +06 25 36.9 19.9 VqEH073595
K18H01P KC2018 04 22.89381 14 25 12.51 +06 25 39.7 20.0 VSEH073L01
K18H01P KC2018 04 22.92104 14 25 12.18 +06 26 45.3 19.8 RoEH073K88
K18H01P KC2018 04 22.92596 14 25 12.14 +06 26 57.3 19.8 RoEH073K88
K18H01P KC2018 04 22.93082 14 25 12.09 +06 27 08.7 19.5 RoEH073K88
K18H01P C2018 04 23.14049 14 25 12.45 +06 35 38.3 20.4 GUEH073I52
K18H01P C2018 04 23.14254 14 25 12.48 +06 35 42.8 20.5 GUEH073I52
K18H01P C2018 04 23.14459 14 25 12.41 +06 35 47.5 21.5 GUEH073I52
K18H01P C2018 04 23.14923 14 25 12.37 +06 35 59.1 UEH073I52
K18H01P C2018 04 24.17036 14 25 09.12 +07 17 32.8 18.9 GUEH073I52
K18H01P C2018 04 24.17237 14 25 09.09 +07 17 37.9 19.5 GUEH073I52
K18H01P C2018 04 24.17439 14 25 09.12 +07 17 42.7 19.5 GUEH073I52
K18H01P C2018 04 24.17641 14 25 09.05 +07 17 47.5 19.6 GUEH073I52
Observer details:
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.28-m f/6.8 Schmidt-Cassegrain + CCD.
595 Farra d'Isonzo. Observers M. Ceschia, E. Pettarin, F. Piani. Measurer
E. Pettarin. 0.61-m f/4.0 reflector + CCD.
703 Catalina Sky Survey. Observer 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. 0.68-m Schmidt + 10K CCD.
G96 Mt. Lemmon Survey. Observer B. M. Africano. 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,
B. M. Africano. 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.
K88 GINOP-KHK, Piszkesteto. Observers B. Ignacz, G. Csornyei. Measurer
K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
P93 Space Tracking and Communications Center, JAXA. Observers K. Nishiyama,
S. Okumura. 1.0-m f/3.0 reflector + CCD.
Orbital elements:
2018 HP1 Earth MOID = 0.1714 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 329.37639 (2000.0) P Q
n 0.28216802 Peri. 102.68250 +0.26450518 +0.96434073
a 2.3021354 Node 182.70707 -0.94288557 +0.25660197
e 0.5464603 Incl. 11.18673 -0.20249400 +0.06482574
P 3.49 H 20.4 G 0.15 U 8
Residuals in seconds of arc
180421 G96 0.2+ 0.2+ 180421 P93 0.0 0.3+ 180422 L01 0.2- 0.3-
180421 G96 0.3+ 0.3+ 180421 L01 0.1- 0.3+ 180422 K88 0.1+ 0.3+
180421 G96 0.2+ 0.1+ 180421 L01 0.1- 0.5- 180422 K88 0.2+ 0.5+
180421 G96 0.0 0.5+ 180421 L01 0.8+ 0.3- 180422 K88 0.1+ 0.2+
180421 703 1.4+ 2.2- 180421 L01 0.2- 0.2+ 180423 I52 0.3- 0.2+
180421 703 1.1- 0.4- 180421 203 0.1+ 0.0 180423 I52 0.4+ 0.3-
180421 703 0.9- 0.0 180422 203 0.3+ 0.5+ 180423 I52 0.5- 0.6-
180421 703 0.9- 0.1+ 180422 I52 0.3+ 0.2+ 180423 I52 0.6- 0.3-
180421 I52 0.0 0.1+ 180422 I52 0.1- 0.3- 180424 I52 0.0 0.1+
180421 I52 0.1- 0.1+ 180422 I52 0.0 0.2- 180424 I52 0.2- 0.2+
180421 I52 0.2- 0.4+ 180422 595 0.3- 0.3+ 180424 I52 0.5+ 0.0
180421 I52 0.0 0.2+ 180422 L01 0.3- 0.1- 180424 I52 0.3- 0.2-
180421 P93 0.3+ 0.0 180422 L01 0.1+ 0.0
180421 P93 0.2+ 0.3+ 180422 595 0.6+ 0.0
Ephemeris:
2018 HP1 a,e,i = 2.30, 0.55, 11 q = 1.0441
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 03 25 14 18 29.5 -07 04 48 0.6608 1.5991 148.7 18.9 21.5
...
2018 04 09 14 24 13.6 -01 30 55 0.5066 1.4886 160.5 13.0 20.5
...
2018 04 17 14 25 13.3 +02 43 30 0.4409 1.4306 162.6 12.1 20.1
...
2018 04 23 14 25 11.7 +06 30 08 0.3994 1.3878 160.2 14.2 19.9
2018 04 24 14 25 08.7 +07 10 42 0.3932 1.3808 159.5 14.8 19.9
2018 04 25 14 25 05.0 +07 52 01 0.3871 1.3738 158.7 15.4 19.9
...
2018 05 01 14 24 35.1 +12 14 19 0.3542 1.3323 152.8 20.2 19.8
...
2018 05 09 14 23 59.7 +18 33 22 0.3193 1.2790 143.0 28.4 19.7
...
2018 05 24 14 26 46.2 +30 47 44 0.2758 1.1880 123.7 45.2 19.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-H73
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