MPEC 2018-R129: 2018 RO4
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M.P.E.C. 2018-R129 Issued 2018 Sept. 12, 14:56 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 RO4
Observations:
K18R04O* C2018 09 10.32339 01 43 45.03 +15 46 49.1 19.9 GVER129G96
K18R04O C2018 09 10.32854 01 43 38.39 +15 48 44.7 19.8 GVER129G96
K18R04O C2018 09 10.33884 01 43 24.96 +15 52 36.7 20.0 GVER129G96
K18R04O C2018 09 10.45227 01 40 56.63 +16 34 51.7 19.6 GVER129I52
K18R04O C2018 09 10.45282 01 40 55.88 +16 35 04.2 19.4 GVER129I52
K18R04O C2018 09 10.45425 01 40 54.04 +16 35 35.6 19.6 GVER129I52
K18R04O C2018 09 10.45480 01 40 53.31 +16 35 47.8 19.8 GVER129I52
K18R04O C2018 09 10.46358 01 40 40.74 +16 39 05.3 19.4 RoER129711
K18R04O C2018 09 10.46404 01 40 40.13 +16 39 15.9 19.4 RoER129711
K18R04O C2018 09 10.46497 01 40 38.91 +16 39 36.6 19.4 RoER129711
K18R04O C2018 09 10.46543 01 40 38.30 +16 39 46.8 19.4 RoER129711
K18R04O C2018 09 10.46590 01 40 37.71 +16 39 56.6 19.2 RoER129711
K18R04O C2018 09 10.46636 01 40 37.10 +16 40 07.2 19.3 RoER129711
K18R04O C2018 09 10.46683 01 40 36.50 +16 40 17.3 19.1 RoER129711
K18R04O C2018 09 10.46729 01 40 35.89 +16 40 27.8 19.3 RoER129711
K18R04O C2018 09 10.46776 01 40 35.28 +16 40 37.8 19.4 RoER129711
K18R04O C2018 09 10.46822 01 40 34.70 +16 40 47.8 19.5 RoER129711
K18R04O C2018 09 10.46868 01 40 34.08 +16 40 58.4 19.4 RoER129711
K18R04O KC2018 09 10.88001 01 32 08.88 +19 10 04.7 19.2 VER129104
K18R04O KC2018 09 10.88473 01 32 02.83 +19 11 46.4 19.2 VER129104
K18R04O KC2018 09 10.88929 01 31 56.98 +19 13 24.9 19.1 VER129104
K18R04O KC2018 09 10.98986301 29 45.97 +19 49 29.0 19.8 GVER129L01
K18R04O KC2018 09 10.99221801 29 42.87 +19 50 19.9 19.7 GVER129L01
K18R04O KC2018 09 10.99457101 29 39.80 +19 51 09.7 19.9 GVER129L01
K18R04O C2018 09 11.22121 01 24 58.59 +21 10 48.5 19.9 G ER129I52
K18R04O C2018 09 11.22145 01 24 58.34 +21 10 53.5 19.7 G ER129I52
K18R04O C2018 09 11.22169 01 24 58.00 +21 10 58.0 19.3 G ER129I52
K18R04O KC2018 09 11.80922 01 12 32.10 +24 27 05.8 17.9 RqER129K61
K18R04O KC2018 09 11.81052 01 12 30.43 +24 27 31.7 18.0 RqER129K61
K18R04O C2018 09 11.92330 01 10 04.97 +25 04 08.5 19.2 VSER129033
K18R04O C2018 09 11.92414 01 10 03.85 +25 04 25.1 19.2 VSER129033
K18R04O C2018 09 11.92499 01 10 02.76 +25 04 41.4 19.0 VSER129033
K18R04O C2018 09 11.92585 01 10 01.63 +25 04 58.2 19.2 VSER129033
K18R04O C2018 09 11.92669 01 10 00.55 +25 05 14.5 19.5 VSER129033
K18R04O C2018 09 11.92755 01 09 59.41 +25 05 31.1 19.6 VSER129033
K18R04O C2018 09 11.92839 01 09 58.32 +25 05 47.2 19.5 VSER129033
K18R04O KC2018 09 11.97272 01 09 01.09 +25 20 13.5 19.8 RqER129K63
K18R04O KC2018 09 11.97503 01 08 58.09 +25 20 57.7 19.4 RqER129K63
K18R04O KC2018 09 11.97682 01 08 55.74 +25 21 32.5 19.6 RqER129K63
K18R04O C2018 09 12.36477 01 00 42.08 +27 21 36.8 20.1 G ER129I52
K18R04O C2018 09 12.37038 01 00 34.66 +27 23 17.4 19.6 G ER129I52
K18R04O C2018 09 12.37111 01 00 33.70 +27 23 30.6 19.7 G ER129I52
K18R04O C2018 09 12.37184 01 00 32.73 +27 23 43.5 19.6 G ER129I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
711 McDonald Observatory. Observers K. Sarneczky, J. Vinko, M. Rozsahegyi.
Measurer K. Sarneczky. 2.7-m reflector + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. 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. Observers R. A. Kowalski,
E. J. Christensen. 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.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector
+ CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2018 RO4 Earth MOID = 0.0377 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 272.33591 (2000.0) P Q
n 0.80838745 Peri. 294.22205 +0.24278615 +0.96652624
a 1.1412733 Node 348.82634 -0.65947903 +0.10173042
e 0.1553602 Incl. 25.34661 -0.71143679 +0.23553759
P 1.22 H 24.4 G 0.15 U 6
Residuals in seconds of arc
180910 G96 0.4- 0.2+ 180910 711 0.1+ 0.0 180911 033 0.4- 0.4+
180910 G96 0.3+ 0.3- 180910 711 0.4+ 0.2- 180911 033 0.2- 0.3+
180910 G96 0.1- 0.3- 180910 711 0.1+ 0.2+ 180911 033 0.4- 0.5+
180910 I52 0.2+ 0.3- 180910 104 0.0 1.4+ 180911 033 0.2- 0.6+
180910 I52 0.2- 0.0 180910 104 0.0 0.7+ 180911 033 0.5- 0.6+
180910 I52 0.2+ 0.3- 180910 104 0.1+ 0.2+ 180911 033 0.4- 0.5+
180910 I52 0.1+ 0.3- 180910 L01 0.1+ 0.4- 180911 K63 0.2+ 0.0
180910 711 0.2+ 0.1- 180910 L01 0.2- 0.2+ 180911 K63 0.7+ 0.0
180910 711 0.0 0.3+ 180910 L01 0.0 0.3- 180911 K63 0.7+ 0.6+
180910 711 0.1- 0.4+ 180911 I52 1.1- 0.1+ 180912 I52 0.1- 0.3+
180910 711 0.2- 0.5+ 180911 I52 0.2- 0.0 180912 I52 0.1- 0.0
180910 711 0.2+ 0.1- 180911 I52 0.6- 0.5- 180912 I52 0.1- 0.1+
180910 711 0.0 0.3+ 180911 K61 1.6+ 2.2- 180912 I52 0.1- 0.1-
180910 711 0.2+ 0.0 180911 K61 1.4+ 1.8-
180910 711 0.1+ 0.3+ 180911 033 0.0 0.0
Ephemeris:
2018 RO4 a,e,i = 1.14, 0.16, 25 q = 0.9640
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 13 05 54 07.6 -46 53 52 0.2107 0.9922 78.3 89.7 24.2
...
2018 08 28 04 46 57.1 -37 18 18 0.1094 1.0193 91.7 82.2 22.5
...
2018 09 05 03 21 00.1 -15 49 57 0.06415 1.0364 114.2 62.5 20.7
...
2018 09 11 01 29 31.2 +19 53 57 0.05641 1.0500 138.9 39.1 19.8
2018 09 12 01 08 24.0 +25 29 27 0.05878 1.0524 140.1 37.8 19.9
2018 09 13 00 47 24.6 +30 22 36 0.06207 1.0547 140.1 37.7 20.0
...
2018 09 19 23 00 36.9 +46 00 19 0.09404 1.0691 131.3 44.9 21.1
...
2018 09 27 21 44 01.7 +50 12 49 0.1497 1.0889 121.9 51.4 22.4
...
2018 10 12 20 59 17.8 +49 54 42 0.2605 1.1267 113.2 54.5 23.7
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-R129
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