MPEC 2018-X06 : 2018 WH2
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M.P.E.C. 2018-X06 Issued 2018 Dec. 1, 04:09 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 WH2
Observations:
K18W02H* C2018 11 29.30542 04 35 44.71 +29 00 02.0 18.4 GVEX006G96
K18W02H C2018 11 29.31058 04 35 46.10 +28 59 01.2 18.2 GVEX006G96
K18W02H C2018 11 29.31577 04 35 47.54 +28 57 59.2 17.6 GVEX006G96
K18W02H C2018 11 29.32093 04 35 48.93 +28 56 58.7 18.4 GVEX006G96
K18W02H C2018 11 29.40701 04 36 12.37 +28 39 57.9 18.1 GVEX006I52
K18W02H C2018 11 29.40716 04 36 12.43 +28 39 56.2 18.2 GVEX006I52
K18W02H C2018 11 29.40732 04 36 12.48 +28 39 54.3 18.3 GVEX006I52
K18W02H C2018 11 29.40747 04 36 12.53 +28 39 52.6 18.4 GVEX006I52
K18W02H C2018 11 29.48929 04 36 38.71 +28 24 15.5 18.2 oVEX006T05
K18W02H C2018 11 29.50711 04 36 43.40 +28 20 44.7 18.0 oVEX006T05
K18W02H C2018 11 29.51167 04 36 44.60 +28 19 50.8 18.0 oVEX006T05
K18W02H C2018 11 29.52692 04 36 48.68 +28 16 51.0 18.4 oVEX006T05
K18W02H C2018 11 29.78203 04 38 03.43 +27 26 53.0 19.3 RrEX006P93
K18W02H C2018 11 29.78399 04 38 04.00 +27 26 29.8 18.9 RrEX006P93
K18W02H C2018 11 29.78595 04 38 04.50 +27 26 06.6 18.8 RrEX006P93
K18W02H C2018 11 29.78792 04 38 05.11 +27 25 43.4 19.1 RrEX006P93
K18W02H C2018 11 29.78989 04 38 05.62 +27 25 20.4 18.8 RrEX006P93
K18W02H KC2018 11 29.85193 04 38 30.85 +27 13 17.6 18.8 VtEX006L04
K18W02H KC2018 11 29.85527 04 38 31.74 +27 12 39.3 18.5 VtEX006L04
K18W02H KC2018 11 29.85806 04 38 32.47 +27 12 07.5 18.6 VtEX006L04
K18W02H KC2018 11 29.86523 04 38 35.41 +27 10 45.9 18.3 VEX006104
K18W02H KC2018 11 29.86822 04 38 36.20 +27 10 11.6 18.3 VEX006104
K18W02H KC2018 11 29.87121 04 38 36.98 +27 09 37.5 18.6 VEX006104
K18W02H KC2018 11 29.87885404 38 38.74 +27 08 09.1 18.6 GVEX006L01
K18W02H KC2018 11 29.87937004 38 38.86 +27 08 03.6 18.6 GVEX006L01
K18W02H KC2018 11 29.87988704 38 38.99 +27 07 57.7 18.5 GVEX006L01
K18W02H KC2018 11 29.88091904 38 39.28 +27 07 45.9 18.5 GVEX006L01
K18W02H KC2018 11 29.90165 04 38 45.25 +27 03 33.9 18.4 GVEX006Z99
K18W02H KC2018 11 29.90429 04 38 45.98 +27 03 04.4 18.5 GVEX006Z99
K18W02H KC2018 11 29.90694 04 38 46.72 +27 02 34.3 18.8 GVEX006Z99
K18W02H KC2018 11 29.90777 04 38 46.69 +27 02 37.9 16.9 RVEX006K38
K18W02H KC2018 11 29.92192 04 38 50.37 +26 59 55.6 18.1 RVEX006K38
K18W02H KC2018 11 29.92602 04 38 49.68 +26 59 04.6 18.0 RqEX006585
K18W02H KC2018 11 29.92694 04 38 49.93 +26 58 53.7 18.1 RqEX006585
K18W02H KC2018 11 29.92727 04 38 50.01 +26 58 50.0 18.0 RqEX006585
K18W02H KC2018 11 29.92793 04 38 50.19 +26 58 42.4 17.9 RqEX006585
K18W02H KC2018 11 29.92859 04 38 50.36 +26 58 34.7 18.0 RqEX006585
K18W02H 9C2018 11 30.23466 04 40 11.94 +26 00 38.7 18.0 VUEX006G40
K18W02H 9C2018 11 30.24139 04 40 13.64 +25 59 21.1 17.5 VUEX006G40
K18W02H 9C2018 11 30.24832 04 40 15.50 +25 58 01.5 17.6 VUEX006G40
K18W02H 9C2018 11 30.26291 04 40 19.45 +25 55 13.4 17.8 VUEX006G40
K18W02H C2018 11 30.66969 04 42 14.38 +24 39 41.8 18.7 RrEX006P93
K18W02H C2018 11 30.67662 04 42 16.04 +24 38 24.8 18.8 RrEX006P93
K18W02H C2018 11 30.67894 04 42 16.57 +24 37 58.9 18.6 RrEX006P93
K18W02H KC2018 11 30.84084 04 43 03.95 +24 07 39.4 18.7 GVEX006Z99
K18W02H KC2018 11 30.84366 04 43 04.62 +24 07 09.1 18.5 GVEX006Z99
K18W02H KC2018 11 30.84648 04 43 05.35 +24 06 38.5 18.5 GVEX006Z99
K18W02H KC2018 11 30.84940 04 43 05.27 +24 06 20.1 18.6 RoEX006K88
K18W02H KC2018 11 30.85732 04 43 07.24 +24 04 54.0 17.9 RoEX006K88
K18W02H KC2018 11 30.86217 04 43 08.46 +24 04 01.1 18.4 RoEX006K88
K18W02H KC2018 11 30.86389 04 43 09.64 +24 03 29.6 18.5 GVEX006Z99
K18W02H KC2018 11 30.86472804 43 10.01 +24 03 23.8 17.6 GVEX006J69
K18W02H KC2018 11 30.86601 04 43 10.10 +24 03 07.1 18.6 GVEX006Z99
K18W02H KC2018 11 30.86699204 43 10.55 +24 02 59.1 17.6 GVEX006J69
K18W02H KC2018 11 30.86812 04 43 10.62 +24 02 44.4 18.4 GVEX006Z99
K18W02H KC2018 11 30.87151904 43 11.65 +24 02 09.8 17.6 GVEX006J69
K18W02H KC2018 11 30.87378304 43 12.23 +24 01 45.1 17.6 GVEX006J69
K18W02H KC2018 11 30.87604804 43 12.81 +24 01 20.5 17.3 GVEX006J69
K18W02H KC2018 11 30.93039704 43 25.62 +23 51 31.5 18.5 GVEX006Z80
K18W02H KC2018 11 30.93386804 43 26.45 +23 50 54.4 18.3 GVEX006Z80
K18W02H KC2018 11 30.93739804 43 27.27 +23 50 15.7 18.4 GVEX006Z80
K18W02H KC2018 11 30.94086904 43 28.09 +23 49 38.2 18.7 GVEX006Z80
K18W02H KC2018 11 30.94434404 43 28.92 +23 49 00.3 18.5 GVEX006Z80
K18W02H KC2018 12 01.01249704 43 44.19 +23 36 50.7 18.4 GVEX006C95
K18W02H KC2018 12 01.01615904 43 45.04 +23 36 11.1 18.2 GVEX006C95
K18W02H KC2018 12 01.01982304 43 45.82 +23 35 31.7 18.6 GVEX006C95
K18W02H KC2018 12 01.02366804 43 46.73 +23 34 49.9 18.2 GVEX006C95
K18W02H KC2018 12 01.02714904 43 47.51 +23 34 11.4 18.3 GVEX006C95
K18W02H KC2018 12 01.03081104 43 48.34 +23 33 31.6 18.7 GVEX006C95
K18W02H KC2018 12 01.03447404 43 49.18 +23 32 51.9 18.2 GVEX006C95
K18W02H KC2018 12 01.03887404 43 50.17 +23 32 04.1 18.1 GVEX006C95
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
585 Kyiv comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + CCD.
G40 Slooh.com Canary Islands Observatory. Observer B. Lutkenhoner. 0.5-m
f/6.8 Corrected Dall-Kirkham + CCD.
G96 Mt. Lemmon Survey. Observer B. M. Africano. Measurers B. M. Africano,
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, 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. Observer G. J. Leonard.
Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
A. R. Gibbs, A. D. Grauer, H. Groeller, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.0-m reflector
+ CCD.
J69 North Observatory, Clanfield. Observer D. Briggs. 0.41-m f/4.5
Newtonian reflector + CCD.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien
+ CCD.
K88 GINOP-KHK, Piszkesteto. Observers M. Krezinger, R. Koenyves-Toth.
Measurer K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5
reflector + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers S. Urakawa,
A. Asami, T. Nimura. 1.0-m f/3.0 reflector + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, H. Flewelling, A. Heinze,
H. Weiland, J. Tonry. Measurers L. Denneau, H. Flewelling, A. Heinze,
J. Tonry, A. Fitzsimmons, D. Young, N. Erasmus. 0.5-m f/2.0 Schmidt +
CCD.
Z80 Northolt Branch Observatory. Observer G. Wells. Measurer D. Bamberger.
0.25-m f/8.0 Ritchey-Chretien + CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
Orbital elements:
2018 WH2 Earth MOID = 0.0886 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 68.78644 (2000.0) P Q
n 0.39609089 Peri. 150.86581 +0.74691094 -0.61308753
a 1.8362824 Node 249.27228 +0.54424751 +0.78607483
e 0.4309400 Incl. 15.97388 +0.38199306 +0.07880384
P 2.49 H 23.0 G 0.15 U 7
Residuals in seconds of arc
181129 G96 0.1- 0.1+ 181129 L01 0.2- 0.2- 181130 K88 0.4- 0.3+
181129 G96 0.3- 0.2+ 181129 L01 0.3- 0.2- 181130 K88 0.6+ 0.1+
181129 G96 0.1+ 0.5- 181129 L01 0.1- 0.2- 181130 Z99 0.7+ 0.4-
181129 G96 0.0 0.0 181129 Z99 0.4- 0.7- 181130 J69 0.1- 0.0
181129 I52 0.3- 0.0 181129 Z99 0.1- 0.1- 181130 Z99 0.1- 0.0
181129 I52 0.0 0.1+ 181129 Z99 0.3+ 0.1+ 181130 J69 0.3- 0.1-
181129 I52 0.1+ 0.1+ 181129 K38 0.3+ 0.3+ 181130 Z99 0.0 0.2+
181129 I52 0.2+ 0.2+ 181129 K38 0.1+ 0.4- 181130 J69 0.3- 0.4-
181129 T05 0.1+ 0.2+ 181129 585 0.0 0.5+ 181130 J69 0.2+ 0.6-
181129 T05 0.2- 0.1- 181129 585 0.1+ 0.2+ 181130 J69 0.6+ 0.6-
181129 T05 0.3- 0.1- 181129 585 0.1+ 0.3+ 181130 Z80 0.4- 0.1-
181129 T05 0.1- 0.5+ 181129 585 0.2+ 0.3+ 181130 Z80 0.2- 0.5+
181129 P93 0.3- 0.0 181129 585 0.1+ 0.2+ 181130 Z80 0.3- 0.0
181129 P93 0.2+ 0.2- 181130 G40 0.6+ 0.5+ 181130 Z80 0.2- 0.2+
181129 P93 0.2- 0.4- 181130 G40 0.5- 0.4+ 181130 Z80 0.0 0.0
181129 P93 0.7+ 0.4- 181130 G40 0.3- 0.6+ 181201 C95 0.0 0.4-
181129 P93 0.3+ 0.3- 181130 G40 0.2+ 0.4+ 181201 C95 0.2+ 0.1-
181129 L04 0.0 0.0 181130 P93 0.1+ 0.5+ 181201 C95 0.5- 0.3+
181129 L04 0.1+ 0.1- 181130 P93 0.8+ 0.4+ 181201 C95 0.1+ 0.4+
181129 L04 0.1- 0.0 181130 P93 0.7+ 0.3+ 181201 C95 0.1- 0.2-
181129 104 0.2+ 0.1- 181130 Z99 0.3+ 0.5- 181201 C95 0.1- 0.1-
181129 104 0.1+ 0.3- 181130 Z99 0.0 0.2- 181201 C95 0.0 0.0
181129 104 0.1- 0.3- 181130 Z99 0.4+ 0.3- 181201 C95 0.1- 0.2+
181129 L01 0.0 0.6- 181130 K88 1.6- 0.4+
Ephemeris:
2018 WH2 a,e,i = 1.84, 0.43, 16 q = 1.0450
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 01 20 40 11.5 +66 48 29 0.1619 1.0456 104.7 66.7 21.5
...
2018 11 16 01 35 12.6 +69 18 02 0.1017 1.0528 126.6 48.9 20.0
...
2018 11 24 03 57 18.4 +47 32 35 0.08876 1.0671 152.9 24.9 19.0
...
2018 11 30 04 39 10.9 +26 45 41 0.09648 1.0822 173.6 5.9 18.6
2018 12 01 04 43 41.5 +23 39 46 0.09921 1.0851 175.7 3.9 18.5
2018 12 02 04 47 44.2 +20 43 54 0.1023 1.0880 176.0 3.6 18.6
...
2018 12 08 05 05 04.4 +06 49 00 0.1269 1.1077 164.1 14.1 19.5
...
2018 12 16 05 17 56.7 -03 47 14 0.1707 1.1386 152.7 23.4 20.5
...
2018 12 31 05 31 14.1 -11 08 43 0.2709 1.2082 141.9 30.1 21.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X06
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