MPEC 2018-R49 : 2018 RA1
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M.P.E.C. 2018-R49 Issued 2018 Sept. 8, 02:21 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 RA1
Observations:
K18R01A* C2018 09 06.34823 22 19 45.96 +07 26 52.0 19.1 GVER049G96
K18R01A C2018 09 06.35381 22 19 44.32 +07 25 59.8 19.9 GVER049G96
K18R01A C2018 09 06.35939 22 19 42.72 +07 25 07.5 19.4 GVER049G96
K18R01A C2018 09 06.36497 22 19 41.09 +07 24 14.7 19.5 GVER049G96
K18R01A C2018 09 06.41438 22 19 27.33 +07 16 22.7 18.9 GVER049I52
K18R01A C2018 09 06.41463 22 19 27.25 +07 16 20.0 19.4 GVER049I52
K18R01A C2018 09 06.41487 22 19 27.16 +07 16 17.8 19.4 GVER049I52
K18R01A C2018 09 06.41511 22 19 27.10 +07 16 15.4 19.0 GVER049I52
K18R01A KC2018 09 06.52478 22 19 16.81 +07 05 13.5 19.1 GVER049474
K18R01A KC2018 09 06.52693 22 19 16.16 +07 04 52.1 19.1 GVER049474
K18R01A KC2018 09 06.52837 22 19 15.71 +07 04 37.8 19.3 GVER049474
K18R01A KC2018 09 06.52957 22 19 15.37 +07 04 26.0 19.7 GVER049474
K18R01A KC2018 09 06.85861 22 18 16.46 +05 57 44.9 19.5 RqER049K63
K18R01A KC2018 09 06.86672 22 18 13.83 +05 56 11.5 19.4 RqER049K63
K18R01A KC2018 09 06.87002 22 18 12.74 +05 55 33.9 19.0 RqER049K63
K18R01A KC2018 09 06.87433 22 18 11.34 +05 54 43.7 18.9 RqER049K63
K18R01A C2018 09 06.96029 22 17 51.41 +05 39 05.8 19.0 GVER049J04
K18R01A C2018 09 06.96058 22 17 51.28 +05 39 02.3 18.6 GVER049J04
K18R01A C2018 09 06.96087 22 17 51.18 +05 38 58.8 18.7 GVER049J04
K18R01A KC2018 09 06.98882222 17 31.12 +05 31 45.0 19.1 GVER049L01
K18R01A KC2018 09 06.99054522 17 30.53 +05 31 24.0 19.3 GVER049L01
K18R01A KC2018 09 06.99227222 17 29.94 +05 31 02.5 19.4 GVER049L01
K18R01A C2018 09 07.14011 22 17 15.38 +05 00 34.8 19.3 GVER049I52
K18R01A C2018 09 07.14029 22 17 15.31 +05 00 32.9 19.4 GVER049I52
K18R01A C2018 09 07.14047 22 17 15.22 +05 00 30.2 19.1 GVER049I52
K18R01A C2018 09 07.14066 22 17 15.18 +05 00 27.9 18.8 GVER049I52
K18R01A KC2018 09 07.84259 22 13 32.09 +01 52 48.4 18.3 GVER049104
K18R01A KC2018 09 07.84573 22 13 30.54 +01 51 47.9 18.3 GVER049104
K18R01A KC2018 09 07.84888 22 13 28.99 +01 50 47.9 18.6 GVER049104
K18R01A KC2018 09 07.88844 22 13 10.23 +01 37 56.2 18.9 VqER049C77
K18R01A KC2018 09 07.89260 22 13 08.12 +01 36 33.5 19.2 VqER049C77
K18R01A KC2018 09 07.89976 22 13 04.48 +01 34 11.4 18.4 VqER049C77
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/1000.0 reflector
+ CCD.
G96 Mt. Lemmon Survey. Observers B. M. Africano, H. Groeller. 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 J. A. Johnson.
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.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers
A. Knoefel, D. Koschny, M. Micheli, M. Busch, E. Schwab. 1.0-m f/4.4
reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m
f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, G. Kervina. Measurer
K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2018 RA1 Earth MOID = 0.0044 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 168.23230 (2000.0) P Q
n 0.81183311 Peri. 269.71569 +0.24025860 -0.97003082
a 1.1380418 Node 166.21846 +0.94015464 +0.22323105
e 0.3228451 Incl. 8.75924 +0.24163001 +0.09595888
P 1.21 H 26.5 G 0.15 U 6
Residuals in seconds of arc
180906 G96 0.3+ 0.2- 180906 474 0.1+ 0.2+ 180907 I52 0.3+ 0.2-
180906 G96 0.0 0.1- 180906 K63 0.3- 0.2- 180907 I52 0.2+ 0.2+
180906 G96 0.2+ 0.0 180906 K63 0.4- 0.1- 180907 I52 0.2- 0.1-
180906 G96 0.1- 0.2- 180906 K63 0.6- 0.5+ 180907 I52 0.2+ 0.1+
180906 I52 0.4+ 0.2+ 180906 K63 0.4- 0.2+ 180907 104 0.2+ 0.0
180906 I52 0.2+ 0.1- 180906 J04 0.2+ 0.0 180907 104 0.1- 0.3-
180906 I52 0.2- 0.0 180906 J04 0.2- 0.0 180907 104 0.2- 0.2+
180906 I52 0.1- 0.0 180906 J04 0.1- 0.0 180907 C77 0.5- 0.6+
180906 474 0.2+ 0.1+ 180906 L01 0.0 0.3- 180907 C77 0.1- 0.1-
180906 474 0.1+ 0.1+ 180906 L01 0.1+ 0.0 180907 C77 0.8+ 0.5-
180906 474 0.2- 0.1+ 180906 L01 0.2+ 0.1-
Ephemeris:
2018 RA1 a,e,i = 1.14, 0.32, 9 q = 0.7706
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 09 22 31 03.9 +15 08 32 0.2043 1.1845 143.5 30.6 24.7
...
2018 08 24 22 31 14.5 +15 46 13 0.1070 1.1071 152.5 25.0 23.0
...
2018 09 01 22 27 59.9 +13 49 40 0.05881 1.0639 157.5 21.3 21.5
...
2018 09 07 22 17 34.8 +05 33 31 0.02402 1.0310 163.9 15.7 19.3
2018 09 08 22 12 19.2 +01 05 45 0.01845 1.0255 165.1 14.6 18.7
2018 09 09 22 02 42.4 -07 06 41 0.01311 1.0200 163.6 16.2 18.0
...
2018 09 15 10 55 17.9 -33 33 58 0.02406 0.9869 37.7 141.4 25.4
...
2018 09 23 10 41 43.1 -23 47 04 0.07041 0.9435 30.4 147.5 28.6
...
2018 10 08 10 45 55.4 -19 33 37 0.1640 0.8680 33.9 140.1 29.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-R49
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