MPEC 2018-J74 : 2018 JM2
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M.P.E.C. 2018-J74 Issued 2018 May 12, 15:52 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 JM2
Observations:
K18J02M* C2018 05 10.38472 15 30 03.97 +13 54 10.6 19.1 GUEJ074G96
K18J02M C2018 05 10.38995 15 29 59.02 +13 56 32.4 18.9 GUEJ074G96
K18J02M C2018 05 10.39517 15 29 54.11 +13 58 52.1 19.0 GUEJ074G96
K18J02M C2018 05 10.40039 15 29 49.17 +14 01 13.3 19.1 GUEJ074G96
K18J02M C2018 05 10.45395 15 28 59.58 +14 25 06.0 18.4 GUEJ074I52
K18J02M C2018 05 10.45419 15 28 59.30 +14 25 12.5 18.3 GUEJ074I52
K18J02M C2018 05 10.45443 15 28 59.11 +14 25 18.3 18.5 GUEJ074I52
K18J02M C2018 05 10.45467 15 28 58.93 +14 25 24.7 18.5 GUEJ074I52
K18J02M KC2018 05 10.84529 15 24 12.43 +17 10 00.4 UEJ074104
K18J02M KC2018 05 10.84806 15 24 10.09 +17 11 09.2 19.0 UEJ074104
K18J02M KC2018 05 10.85084 15 24 07.78 +17 12 16.7 19.1 UEJ074104
K18J02M KC2018 05 10.85362 15 24 05.44 +17 13 23.6 19.1 UEJ074104
K18J02M C2018 05 10.93927015 23 01.523+17 48 37.86 19.3 GVEJ074J04
K18J02M C2018 05 10.93943015 23 01.388+17 48 41.81 19.2 GVEJ074J04
K18J02M C2018 05 10.93959315 23 01.264+17 48 45.28 19.0 GVEJ074J04
K18J02M KC2018 05 10.96767 15 22 27.85 +17 58 37.6 19.5 VSEJ074L01
K18J02M KC2018 05 10.96944 15 22 26.34 +17 59 19.0 19.3 VSEJ074L01
K18J02M KC2018 05 10.97120 15 22 24.87 +17 59 59.7 19.5 VSEJ074L01
K18J02M KC2018 05 10.97297 15 22 23.36 +18 00 41.0 19.6 VSEJ074L01
K18J02M C2018 05 11.25248 15 19 05.42 +19 46 00.9 18.8 GUEJ074I52
K18J02M C2018 05 11.25266 15 19 05.26 +19 46 04.9 19.1 GUEJ074I52
K18J02M C2018 05 11.25284 15 19 05.14 +19 46 08.9 19.3 GUEJ074I52
K18J02M C2018 05 11.25303 15 19 04.97 +19 46 13.0 19.0 GUEJ074I52
K18J02M IC2018 05 11.30463 15 18 20.60 +20 04 51.5 oEJ074711
K18J02M KC2018 05 11.30666 15 18 18.97 +20 05 33.8 oEJ074711
K18J02M KC2018 05 11.30898 15 18 17.02 +20 06 23.2 oEJ074711
K18J02M C2018 05 11.67307 15 14 05.70 +22 08 40.9 20.0 RrEJ074P93
K18J02M C2018 05 11.67538 15 14 03.95 +22 09 25.2 19.7 RrEJ074P93
K18J02M C2018 05 11.67769 15 14 02.17 +22 10 09.3 20.0 RrEJ074P93
K18J02M C2018 05 12.14748 15 09 22.88 +24 31 02.4 19.4 GUEJ074I52
K18J02M C2018 05 12.14802 15 09 22.51 +24 31 11.9 19.7 GUEJ074I52
K18J02M C2018 05 12.14858 15 09 22.16 +24 31 22.0 19.3 GUEJ074I52
K18J02M C2018 05 12.14912 15 09 21.76 +24 31 30.8 19.6 GUEJ074I52
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m 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.
I52 Steward Observatory, Mt. Lemmon Station. Observers H. Groeller,
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
M. Micheli, D. Koschny, A. Knoefel, M. Busch, 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 JM2 Earth MOID = 0.0173 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 87.83694 (2000.0) P Q
n 1.23424413 Peri. 204.12752 +0.34034211 -0.91666720
a 0.8607334 Node 226.73969 +0.90271232 +0.38088866
e 0.2235912 Incl. 16.71858 +0.26320661 -0.12101686
P 0.80 H 25.6 G 0.15 U 7
Residuals in seconds of arc
180510 G96 0.4- 0.8+ 180510 104 0.3+ 0.3- 180511 I52 0.0 0.1+
180510 G96 0.2- 0.7+ 180510 J04 0.0 0.1+ 180511 711 0.6- 0.1+
180510 G96 0.3+ 0.9- 180510 J04 0.0 0.3+ 180511 711 0.2- 0.7-
180510 G96 0.2+ 0.7- 180510 J04 0.2+ 0.2- 180511 711 0.9- 0.4-
180510 I52 0.3+ 0.1+ 180510 L01 0.2- 0.1+ 180511 P93 0.7+ 0.1-
180510 I52 0.6- 0.3+ 180510 L01 0.3- 0.2+ 180511 P93 0.8+ 0.1+
180510 I52 0.2- 0.3- 180510 L01 0.0 0.1- 180511 P93 0.5+ 0.2+
180510 I52 0.3+ 0.2- 180510 L01 0.2- 0.0 180512 I52 0.1- 0.1-
180510 104 0.4+ 0.5- 180511 I52 0.0 0.0 180512 I52 0.2- 0.0
180510 104 0.1+ 0.7+ 180511 I52 0.2- 0.1+ 180512 I52 0.1+ 0.3+
180510 104 0.4+ 0.5+ 180511 I52 0.2+ 0.2+ 180512 I52 0.5- 0.3-
Ephemeris:
2018 JM2 a,e,i = 0.86, 0.22, 17 q = 0.6683
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 04 12 00 33 30.5 -60 57 17 0.1278 0.9662 70.1 102.8 24.8
...
2018 04 27 22 47 20.6 -66 32 09 0.05549 1.0068 88.9 88.0 22.4
...
2018 05 05 17 47 03.4 -47 46 27 0.02255 1.0235 131.4 47.6 19.2
...
2018 05 11 15 22 04.2 +18 13 06 0.02913 1.0336 143.9 35.1 19.4
2018 05 12 15 10 40.9 +23 49 39 0.03314 1.0351 138.2 40.6 19.9
2018 05 13 15 01 08.3 +28 07 35 0.03746 1.0365 133.4 45.1 20.3
...
2018 05 19 14 26 48.1 +40 29 19 0.06620 1.0437 117.4 59.4 21.9
...
2018 05 27 14 08 15.9 +45 19 29 0.1063 1.0501 107.6 66.9 23.2
...
2018 06 11 13 58 44.8 +47 18 13 0.1784 1.0517 96.9 73.4 24.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-J74
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