MPEC 2018-X19 : 2018 WN2
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M.P.E.C. 2018-X19 Issued 2018 Dec. 2, 21:02 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 WN2
Observations:
K18W02N* C2018 11 29.30590 04 44 16.66 +30 36 59.0 19.8 GVEX019G96
K18W02N C2018 11 29.31108 04 44 16.43 +30 36 53.2 20.2 GVEX019G96
K18W02N C2018 11 29.31626 04 44 16.20 +30 36 47.2 20.0 GVEX019G96
K18W02N C2018 11 29.32142 04 44 15.99 +30 36 41.4 20.1 GVEX019G96
K18W02N C2018 11 29.41342 04 44 12.12 +30 34 53.6 VEX019I52
K18W02N C2018 11 29.41531 04 44 12.02 +30 34 51.7 20.4 GVEX019I52
K18W02N C2018 11 29.41961 04 44 11.80 +30 34 47.2 20.4 GVEX019I52
K18W02N C2018 11 29.42204 04 44 11.70 +30 34 44.2 VEX019I52
K18W02N HC2018 11 29.51672 04 44 08.09 +30 32 49.2 20.2 RoEX019691
K18W02N HC2018 11 29.51874 04 44 08.05 +30 32 46.6 20.4 RoEX019691
K18W02N HC2018 11 29.52075 04 44 08.00 +30 32 44.4 20.2 RoEX019691
K18W02N pC2018 11 30.03875304 43 52.01 +30 22 42.6 20.1 GVEX019L01
K18W02N pC2018 11 30.04302204 43 51.87 +30 22 37.6 20.2 GVEX019L01
K18W02N KC2018 11 30.04857904 43 51.65 +30 22 31.5 20.0 GVEX019L01
K18W02N KC2018 11 30.86717 04 43 25.54 +30 06 17.2 19.6 RoEX019K88
K18W02N KC2018 11 30.87365 04 43 25.23 +30 06 09.5 19.9 RoEX019K88
K18W02N KC2018 11 30.88014 04 43 25.01 +30 06 01.9 19.6 RoEX019K88
K18W02N KC2018 12 01.94397 04 42 47.98 +29 44 23.2 19.4 qEX019157
K18W02N KC2018 12 01.95448 04 42 47.50 +29 44 10.7 19.5 qEX019157
K18W02N KC2018 12 01.96500 04 42 47.02 +29 43 57.5 19.0 qEX019157
K18W02N KC2018 12 01.97836 04 42 46.49 +29 43 39.5 18.8 RVEX019K63
K18W02N KC2018 12 01.98604 04 42 46.17 +29 43 30.0 18.7 RVEX019K63
K18W02N KC2018 12 02.00241 04 42 45.43 +29 43 09.1 19.0 RVEX019K63
Observer details:
157 Frasso Sabino. Observers R. Haver, R. Gorelli. Measurer R. Haver.
0.37-m f/6.70 Cassegrain + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer M. J. Brucker.
0.9-m f/3 reflector + 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.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci.
0.41-m f/3.2 Newtonian reflector + 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.
Orbital elements:
2018 WN2 Earth MOID = 0.2766 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 42.00427 (2000.0) P Q
n 0.44130587 Peri. 204.81895 -0.32422459 -0.93656469
a 1.7086099 Node 264.32726 +0.88872776 -0.25335220
e 0.2661114 Incl. 7.68869 +0.32410088 -0.24219672
P 2.23 H 21.4 G 0.15 U 8
Residuals in seconds of arc
181129 G96 0.1+ 0.1- 181129 691 0.3- 0.2- 181130 K88 0.2+ 0.1+
181129 G96 0.0 0.0 181129 691 0.2+ 0.3- 181201 157 0.2+ 0.0
181129 G96 0.1- 0.1- 181129 691 0.4+ 0.1- 181201 157 0.0 0.5+
181129 G96 0.0 0.0 181130 L01 0.2- 0.4- 181201 157 0.1- 0.3+
181129 I52 0.3+ 0.2- 181130 L01 0.3+ 0.3- 181201 K63 0.1- 0.2-
181129 I52 0.0 0.2+ 181130 L01 0.4+ 0.3+ 181201 K63 0.1+ 0.1-
181129 I52 0.6- 0.8+ 181130 K88 0.1+ 0.1+ 181202 K63 0.1- 0.5-
181129 I52 0.6- 0.7+ 181130 K88 0.5- 0.1+
Ephemeris:
2018 WN2 a,e,i = 1.71, 0.27, 8 q = 1.2539
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 02 04 44 54.2 +35 22 44 0.4712 1.3972 142.9 25.4 21.7
...
2018 11 17 04 48 33.4 +33 42 20 0.3871 1.3530 156.7 16.8 20.9
...
2018 11 25 04 46 21.1 +31 53 11 0.3538 1.3319 164.9 11.1 20.5
...
2018 12 01 04 43 20.4 +30 03 47 0.3344 1.3174 170.9 6.8 20.1
2018 12 02 04 42 45.8 +29 43 20 0.3317 1.3151 171.7 6.2 20.1
2018 12 03 04 42 10.5 +29 22 18 0.3291 1.3128 172.5 5.6 20.0
...
2018 12 09 04 38 33.8 +27 04 56 0.3167 1.3000 173.2 5.1 19.9
...
2018 12 17 04 34 31.0 +23 41 23 0.3084 1.2852 165.7 10.9 20.1
...
2019 01 01 04 33 43.5 +17 23 35 0.3157 1.2647 149.1 23.5 20.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X19
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