MPEC 2018-J69 : 2018 JG2
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M.P.E.C. 2018-J69 Issued 2018 May 12, 15:36 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 JG2
Observations:
K18J02G* C2018 05 10.27344 12 18 00.85 +15 00 36.1 19.8 GUEJ069G96
K18J02G C2018 05 10.27873 12 18 01.66 +15 01 08.3 19.2 GUEJ069G96
K18J02G C2018 05 10.28400 12 18 02.41 +15 01 39.5 20.3 GUEJ069G96
K18J02G C2018 05 10.28928 12 18 03.17 +15 02 11.0 20.1 GUEJ069G96
K18J02G C2018 05 10.33435 12 18 10.04 +15 06 39.6 20.4 GUEJ069G96
K18J02G C2018 05 10.33657 12 18 10.36 +15 06 53.4 20.6 GUEJ069G96
K18J02G C2018 05 10.33855 12 18 10.67 +15 07 03.5 20.3 GUEJ069G96
K18J02G KC2018 05 10.88551 12 20 00.89 +16 03 56.6 20.3 GVEJ069J04
K18J02G KC2018 05 10.88708 12 20 01.14 +16 04 06.8 20.0 GVEJ069J04
K18J02G KC2018 05 10.88865 12 20 01.37 +16 04 16.9 20.1 GVEJ069J04
K18J02G pC2018 05 10.91311 12 20 02.03 +16 06 17.8 19.8 VSEJ069L01
K18J02G KC2018 05 10.91475 12 20 02.40 +16 06 29.1 20.0 VSEJ069L01
K18J02G pC2018 05 10.91638 12 20 02.56 +16 06 38.5 20.2 VSEJ069L01
K18J02G KC2018 05 10.91841 12 20 02.93 +16 06 51.5 20.1 VSEJ069L01
K18J02G KC2018 05 10.92311 12 20 03.88 +16 07 23.8 UEJ069104
K18J02G KC2018 05 10.92866 12 20 04.83 +16 07 58.7 20.0 UEJ069104
K18J02G KC2018 05 10.93422 12 20 05.71 +16 08 33.1 20.1 UEJ069104
K18J02G C2018 05 11.18668212 20 58.49 +16 35 54.1 20.6 GVEJ069H01
K18J02G C2018 05 11.18975812 20 58.99 +16 36 13.7 20.1 GVEJ069H01
K18J02G C2018 05 11.19857012 21 00.39 +16 37 10.7 19.9 GVEJ069H01
K18J02G C2018 05 11.20760712 21 01.84 +16 38 09.0 20.0 GVEJ069H01
K18J02G KC2018 05 11.21981 12 21 03.33 +16 39 33.7 oEJ069711
K18J02G KC2018 05 11.22264 12 21 03.76 +16 39 51.8 oEJ069711
K18J02G KC2018 05 11.22548 12 21 04.25 +16 40 09.7 oEJ069711
K18J02G C2018 05 11.28485 12 21 14.87 +16 46 29.1 20.1 GUEJ069I52
K18J02G C2018 05 11.28526 12 21 14.95 +16 46 31.6 19.7 GUEJ069I52
K18J02G C2018 05 11.28568 12 21 14.98 +16 46 34.6 19.6 GUEJ069I52
K18J02G C2018 05 11.28609 12 21 15.10 +16 46 37.3 19.5 GUEJ069I52
K18J02G C2018 05 11.54127 12 22 10.78 +17 14 35.6 19.8 RrEJ069P93
K18J02G C2018 05 11.54427 12 22 11.31 +17 14 55.8 19.8 RrEJ069P93
K18J02G C2018 05 11.54727 12 22 11.80 +17 15 15.7 20.2 RrEJ069P93
K18J02G KC2018 05 11.87821 12 23 23.97 +17 51 59.6 VEJ069204
K18J02G KC2018 05 11.88757 12 23 25.66 +17 53 03.2 20.2 GVEJ069204
K18J02G KC2018 05 11.89213 12 23 26.03 +17 53 33.7 20.5 VSEJ069595
K18J02G KC2018 05 11.89691 12 23 27.42 +17 54 06.8 VEJ069204
K18J02G KC2018 05 11.90541 12 23 28.56 +17 55 04.0 20.2 VSEJ069595
K18J02G KC2018 05 11.91870 12 23 31.03 +17 56 32.6 20.4 VSEJ069595
K18J02G C2018 05 12.16211 12 24 29.57 +18 24 58.6 19.5 GUEJ069I52
K18J02G C2018 05 12.16253 12 24 29.66 +18 25 01.2 19.4 GUEJ069I52
K18J02G C2018 05 12.16294 12 24 29.73 +18 25 04.1 19.2 GUEJ069I52
K18J02G C2018 05 12.16335 12 24 29.79 +18 25 06.6 19.8 GUEJ069I52
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector
+ CCD.
595 Farra d'Isonzo. Observers U. Montanar, E. Pettarin, F. Piani. Measurer
E. Pettarin. 0.61-m f/4.0 reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
G96 Mt. Lemmon Survey. Observer J. A. Johnson. Measurers B. M. Africano,
E. J. Christensen, 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard,
R. A. Kowalski. Measurers B. M. Africano, E. J. Christensen, 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.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers
A. Knoefel, D. Koschny, M. Busch, M. Micheli, E. Schwab. 1.0-m f/4.4
reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
P93 Space Tracking and Communications Center, JAXA. Observers S. Okumura,
S. Urakawa. 1.0-m f/3.0 reflector + CCD.
Orbital elements:
2018 JG2 Earth MOID = 0.0414 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 332.27490 (2000.0) P Q
n 0.37512655 Peri. 42.71633 -0.25598240 +0.96563316
a 1.9040756 Node 212.52772 -0.90796752 -0.25615262
e 0.4663337 Incl. 4.80135 -0.33176496 -0.04402764
P 2.63 H 23.8 G 0.15 U 6
Residuals in seconds of arc
180510 G96 0.2- 0.2- 180510 104 0.2- 0.1+ 180511 P93 0.2+ 0.5-
180510 G96 0.4+ 0.4+ 180510 104 0.4+ 0.1+ 180511 P93 0.5+ 0.1-
180510 G96 0.1+ 0.1+ 180510 104 0.1- 0.4- 180511 P93 0.2+ 0.0
180510 G96 0.1- 0.1+ 180511 H01 0.2- 0.3+ 180511 204 0.0 0.2-
180510 G96 0.1+ 0.0 180511 H01 0.0 0.0 180511 204 0.4- 0.1-
180510 G96 0.3- 0.5+ 180511 H01 0.2- 0.1+ 180511 595 0.4- 0.2+
180510 G96 0.4- 1.2- 180511 H01 0.2- 0.1+ 180511 204 0.1+ 0.3+
180510 J04 0.0 0.1- 180511 711 0.7- 0.2+ 180511 595 0.4+ 0.7+
180510 J04 0.1+ 0.1+ 180511 711 1.1- 0.1+ 180511 595 0.1+ 0.4-
180510 J04 0.0 0.2+ 180511 711 0.7- 0.3- 180512 I52 0.1- 0.2+
180510 L01 0.3- 0.5- 180511 I52 0.2- 0.0 180512 I52 0.0 0.1-
180510 L01 1.1+ 0.5+ 180511 I52 0.0 0.2- 180512 I52 0.0 0.1-
180510 L01 0.4- 0.3- 180511 I52 0.6- 0.1+ 180512 I52 0.2- 0.5-
180510 L01 0.1+ 0.0 180511 I52 0.1+ 0.2+
Ephemeris:
2018 JG2 a,e,i = 1.90, 0.47, 5 q = 1.0161
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 04 12 12 00 16.8 -07 42 57 0.1920 1.1847 160.1 16.7 21.5
...
2018 04 27 11 58 45.4 +00 08 38 0.1257 1.1096 143.2 32.9 20.9
...
2018 05 05 12 06 19.9 +07 35 57 0.09570 1.0768 133.7 42.6 20.5
...
2018 05 11 12 20 21.4 +16 16 24 0.07564 1.0562 126.1 50.6 20.2
2018 05 12 12 23 51.7 +18 06 43 0.07258 1.0531 124.7 52.0 20.1
2018 05 13 12 27 49.8 +20 05 26 0.06961 1.0502 123.3 53.5 20.1
...
2018 05 19 13 06 54.8 +35 24 11 0.05467 1.0349 113.8 63.4 19.8
...
2018 05 27 15 48 21.8 +59 54 47 0.04756 1.0214 98.7 78.7 20.0
...
2018 06 11 21 28 35.8 +46 16 55 0.07811 1.0186 90.2 85.4 21.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-J69
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