MPEC 2018-R87 : 2018 RL2
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M.P.E.C. 2018-R87 Issued 2018 Sept. 9, 20:37 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 RL2
Observations:
K18R02L* C2018 09 06.34978 23 45 51.81 +18 08 29.6 20.04rUER087I41
K18R02L C2018 09 06.35069 23 45 51.94 +18 08 28.2 19.97rUER087I41
K18R02L C2018 09 07.33852 23 48 24.58 +17 42 36.2 19.79rUER087I41
K18R02L C2018 09 07.35935 23 48 27.52 +17 42 03.0 20.38gUER087I41
K18R02L C2018 09 08.28863 23 50 51.77 +17 16 32.6 19.6 GVER087I52
K18R02L C2018 09 08.28965 23 50 51.90 +17 16 30.8 19.7 GVER087I52
K18R02L C2018 09 08.29193 23 50 52.22 +17 16 27.3 19.8 GVER087I52
K18R02L C2018 09 08.29407 23 50 52.55 +17 16 23.7 19.6 GVER087I52
K18R02L KC2018 09 08.96084523 52 35.36 +16 57 17.4 20.0 GVER087L01
K18R02L IC2018 09 08.96238823 52 35.57 +16 57 14.4 19.9 GVER087L01
K18R02L KC2018 09 08.98238123 52 38.46 +16 56 40.1 19.9 GVER087L01
K18R02L KC2018 09 08.98392423 52 38.68 +16 56 37.3 19.7 GVER087L01
K18R02L KC2018 09 09.02927 23 52 45.27 +16 55 19.0 19.3 RqER087K63
K18R02L KC2018 09 09.03295 23 52 45.82 +16 55 12.1 19.4 RqER087K63
K18R02L KC2018 09 09.03547 23 52 46.18 +16 55 08.1 19.7 RqER087K63
K18R02L C2018 09 09.33198 23 53 32.50 +16 46 35.8 19.8 GVER087I52
K18R02L C2018 09 09.33498 23 53 32.91 +16 46 30.8 20.2 GVER087I52
K18R02L C2018 09 09.33627 23 53 33.08 +16 46 28.5 19.8 GVER087I52
K18R02L C2018 09 09.33832 23 53 33.39 +16 46 24.7 19.8 GVER087I52
Observer details:
I41 Palomar Mountain--ZTF. Observer A. U. Tomatic. Measurers Q.-Z. Ye,
F. Masci. 1.2-m f/2.4 Schmidt + ZTF camera.
I52 Steward Observatory, Mt. Lemmon Station. Observers G. J. Leonard,
R. A. Kowalski. 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.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, I. Lyon. Measurer
K. Korlevic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2018 RL2 Earth MOID = 0.2369 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 310.34598 (2000.0) P Q
n 0.27965469 Peri. 169.28618 +0.99709937 +0.07276528
a 2.3159081 Node 186.66327 -0.07586762 +0.97364514
e 0.4650004 Incl. 11.08901 +0.00607877 +0.21614891
P 3.52 H 21.5 G 0.15 U 8
Residuals in seconds of arc
180906 I41 0.1- 0.1+ 180908 I52 0.1+ 0.1+ 180909 K63 0.3- 0.1-
180906 I41 0.1- 0.1+ 180908 L01 0.1- 0.1+ 180909 I52 0.4+ 0.1-
180907 I41 0.3+ 0.4- 180908 L01 0.3- 0.2- 180909 I52 0.2+ 0.2+
180907 I41 0.1+ 0.1- 180908 L01 0.1- 0.1+ 180909 I52 0.0 0.2+
180908 I52 0.1+ 0.0 180908 L01 0.2- 0.0 180909 I52 0.3+ 0.0
180908 I52 0.2- 0.1- 180909 K63 0.5- 0.1-
180908 I52 0.2- 0.2+ 180909 K63 0.2- 0.6-
Ephemeris:
2018 RL2 a,e,i = 2.32, 0.47, 11 q = 1.2390
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 10 22 41 58.5 +22 02 31 0.3589 1.2996 137.0 32.1 21.2
...
2018 08 25 23 15 00.0 +21 42 49 0.2946 1.2614 144.1 28.0 20.6
...
2018 09 02 23 34 44.7 +19 47 03 0.2693 1.2484 149.4 24.3 20.3
...
2018 09 08 23 50 06.4 +17 24 46 0.2551 1.2422 154.2 20.7 20.0
2018 09 09 23 52 41.0 +16 56 27 0.2531 1.2415 155.0 20.0 20.0
2018 09 10 23 55 15.5 +16 26 53 0.2513 1.2408 155.9 19.3 19.9
...
2018 09 16 00 10 36.2 +13 05 39 0.2434 1.2389 161.6 14.8 19.7
...
2018 09 24 00 30 12.1 +07 52 04 0.2412 1.2414 169.7 8.3 19.5
...
2018 10 09 01 01 22.6 -01 53 03 0.2641 1.2611 172.0 6.4 19.6
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-R87
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