MPEC 2017-S86 : 2017 SR2
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M.P.E.C. 2017-S86 Issued 2017 Sept. 20, 13:35 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
2017 SR2
Observations:
K17S02R* C2017 09 20.17211 21 50 41.20 -18 18 39.3 17.8 VqES086703
K17S02R C2017 09 20.18282 21 51 11.00 -18 18 08.0 17.9 VqES086703
K17S02R C2017 09 20.18817 21 51 26.11 -18 17 50.9 17.8 VqES086703
K17S02R C2017 09 20.22047 21 53 02.52 -18 15 44.7 17.8 VqES086I52
K17S02R C2017 09 20.22092 21 53 03.92 -18 15 42.8 17.7 VqES086I52
K17S02R C2017 09 20.22137 21 53 05.33 -18 15 40.4 17.7 VqES086I52
K17S02R C2017 09 20.22184 21 53 06.78 -18 15 38.6 17.9 VqES086I52
K17S02R C2017 09 20.30643 21 58 14.37 -18 06 07.3 17.0 VqES086703
K17S02R C2017 09 20.30684 21 58 16.36 -18 06 03.2 17.1 VqES086703
K17S02R C2017 09 20.30765 21 58 19.84 -18 05 55.9 17.2 VqES086703
K17S02R C2017 09 20.34643322 04 54.61 -16 58 57.4 17.0 RUES086474
K17S02R C2017 09 20.34760722 05 01.10 -16 58 42.1 16.9 RUES086474
K17S02R C2017 09 20.34936622 05 10.91 -16 58 18.3 16.7 RUES086474
K17S02R C2017 09 20.35053922 05 17.49 -16 58 02.1 16.9 RUES086474
K17S02R C2017 09 20.35171322 05 24.10 -16 57 46.1 17.0 RUES086474
K17S02R C2017 09 20.47640322 20 23.28 -16 14 02.9 16.0 RtES086474
K17S02R C2017 09 20.47711322 20 29.92 -16 13 41.1 16.3 RtES086474
K17S02R C2017 09 20.47782322 20 36.59 -16 13 18.6 16.2 RtES086474
K17S02R C2017 09 20.47853422 20 43.25 -16 12 56.8 16.3 RtES086474
K17S02R C2017 09 20.47960022 20 53.34 -16 12 23.3 16.1 RtES086474
Observer details:
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.
703 Catalina Sky Survey. Observer A. R. Gibbs. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
0.68-m Schmidt + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. G. Matheny.
Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
Orbital elements:
2017 SR2 Earth MOID = 0.0001 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 347.77419 (2000.0) P Q
n 0.29447591 Peri. 30.89198 +0.86965310 -0.49366327
a 2.2375334 Node 358.68959 +0.45075804 +0.79426783
e 0.5755379 Incl. 0.60102 +0.20129747 +0.35416831
P 3.35 H 28.6 G 0.15 U 5
Residuals in seconds of arc
170920 703 1.0- 0.1- 170920 703 (3.8- 0.0 ) 170920 474 0.0 0.1-
170920 703 0.0 0.1- 170920 703 0.4- 0.4+ 170920 474 0.6+ 0.0
170920 703 0.4- 0.1- 170920 703 0.2- 0.2+ 170920 474 0.5+ 0.1-
170920 I52 0.7+ 0.1+ 170920 474 0.3+ 0.2+ 170920 474 0.4+ 0.3+
170920 I52 0.6+ 0.1- 170920 474 0.1- 0.2- 170920 474 0.4- 0.1-
170920 I52 0.7+ 0.2+ 170920 474 0.2- 0.2- 170920 474 0.6- 0.1-
170920 I52 0.4+ 0.1- 170920 474 0.1- 0.0
Ephemeris:
2017 SR2 a,e,i = 2.24, 0.58, 1 q = 0.9497
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 08 21 21 20 37.7 -17 45 49 0.1802 1.1891 168.9 9.4 25.9
...
2017 09 05 21 14 35.0 -18 25 46 0.08878 1.0881 153.0 24.9 24.7
...
2017 09 13 21 13 56.5 -18 37 43 0.04359 1.0422 145.0 33.6 23.3
...
2017 09 19 21 24 36.6 -18 29 03 0.01032 1.0127 141.6 38.0 20.2
2017 09 20 21 41 58.9 -18 03 38 0.0048021.0083 144.6 35.3 18.5
2017 09 21 06 49 11.0 +17 47 54 0.0010341.0038 76.3 103.7 17.5
...
2017 09 27 09 26 47.7 +18 24 08 0.03404 0.9789 45.7 132.9 27.2
...
2017 10 05 09 31 59.5 +18 05 27 0.07848 0.9540 52.3 124.0 28.1
...
2017 10 20 09 43 36.1 +17 04 50 0.1613 0.9368 64.1 106.9 28.5
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-S86
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