MPEC 2018-S74 : 2018 SN2
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M.P.E.C. 2018-S74 Issued 2018 Sept. 30, 20:36 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 SN2
Observations:
K18S02N C2018 09 29.22849 20 25 07.692-00 29 31.68 18.9 wUES074F52
K18S02N* C2018 09 29.24015 20 25 08.779-00 34 37.52 18.8 wUES074F52
K18S02N C2018 09 29.25190 20 25 09.859-00 39 44.76 18.6 wUES074F52
K18S02N KC2018 09 29.82249 20 26 57.89 -04 43 31.2 18.1 GVES074595
K18S02N KC2018 09 29.82780 20 26 58.53 -04 45 41.3 17.8 GVES074595
K18S02N KC2018 09 29.82834020 27 01.76 -04 46 10.9 18.3 GVES074J95
K18S02N KC2018 09 29.83411820 27 02.42 -04 48 34.6 18.5 GVES074J95
K18S02N KC2018 09 29.84037220 27 03.20 -04 51 08.9 18.9 GVES074J95
K18S02N KC2018 09 30.03941020 27 43.38 -06 11 25.2 18.2 VqES074W34
K18S02N KC2018 09 30.05554420 27 44.95 -06 17 55.9 18.9 VqES074W34
K18S02N KC2018 09 30.06027820 27 45.41 -06 19 50.6 18.9 VqES074W34
K18S02N KC2018 09 30.11005320 27 57.66 -06 39 53.3 18.5 GVES074V03
K18S02N KC2018 09 30.11099220 27 57.77 -06 40 16.7 18.3 GVES074V03
K18S02N KC2018 09 30.11193020 27 57.85 -06 40 38.6 18.8 GVES074V03
K18S02N KC2018 09 30.12112 20 27 58.86 -06 44 01.8 18.2 RoES074691
K18S02N C2018 09 30.12453 20 27 58.96 -06 45 25.5 18.5 GVES074I52
K18S02N C2018 09 30.12508 20 27 59.02 -06 45 38.7 18.7 GVES074I52
K18S02N C2018 09 30.12563 20 27 59.07 -06 45 51.9 18.7 GVES074I52
K18S02N C2018 09 30.12619 20 27 59.13 -06 46 05.1 18.4 GVES074I52
K18S02N KC2018 09 30.12672 20 27 59.42 -06 46 15.3 18.2 RoES074691
K18S02N KC2018 09 30.13212 20 27 59.90 -06 48 25.4 18.2 RoES074691
K18S02N C2018 09 30.24081520 28 22.004-07 30 50.28 19.04GVES074F52
K18S02N C2018 09 30.25311220 28 23.050-07 35 41.24 19.45GVES074F52
K18S02N C2018 09 30.26539920 28 24.085-07 40 31.12 19.40GVES074F52
K18S02N KC2018 09 30.79233320 30 01.47 -11 02 49.1 20.4 GVES074L01
K18S02N KC2018 09 30.79399120 30 01.67 -11 03 24.7 20.6 GVES074L01
Observer details:
595 Farra d'Isonzo. Observers A. Basana, L. Bittesini, M. Ceschia,
U. Montanar, E. Pettarin. 0.61-m f/4.0 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. 0.9-m f/3
reflector + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, T. Lowe,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau,
H. Flewelling, M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
C. Waters, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
V03 Big Water. Observer D. Rankin. 0.30-m reflector + CCD.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. 0.2-m f/7.0
Schmidt-Cassegrain + CCD.
Orbital elements:
2018 SN2 Earth MOID = 0.0174 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 84.60198 (2000.0) P Q
n 1.28620643 Peri. 0.96970 -0.99102726 +0.13098898
a 0.8373922 Node 186.73356 -0.12410641 -0.97565538
e 0.2171551 Incl. 13.10563 -0.04962420 -0.17589332
P 0.77 H 24.1 G 0.15 U 7
Residuals in seconds of arc
180929 F52 0.1- 0.1+ 180930 W34 0.3+ 0.6- 180930 I52 0.1- 0.0
180929 F52 0.1- 0.2- 180930 W34 0.2+ 1.0- 180930 691 0.3+ 0.7+
180929 F52 0.1- 0.1+ 180930 V03 0.0 0.3+ 180930 691 0.2- 0.0
180929 595 0.5+ 0.3- 180930 V03 0.2+ 0.5- 180930 F52 0.2- 0.0
180929 595 0.9+ 0.8+ 180930 V03 0.0 0.1+ 180930 F52 0.1- 0.0
180929 J95 0.6+ 0.5+ 180930 691 0.1- 0.1- 180930 F52 0.1- 0.3+
180929 J95 0.1- 0.4- 180930 I52 0.2- 0.2- 180930 L01 0.3- 0.8-
180929 J95 0.2+ 0.2- 180930 I52 0.1- 0.2- 180930 L01 0.1+ 0.3+
180930 W34 0.8+ 0.0 180930 I52 0.2- 0.2-
Ephemeris:
2018 SN2 a,e,i = 0.84, 0.22, 13 q = 0.6555
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 31 11 46 00.3 +82 53 47 0.1151 0.9849 74.4 99.1 23.0
...
2018 09 15 18 46 01.0 +76 36 36 0.05886 1.0087 91.2 85.5 21.0
...
2018 09 23 19 58 48.6 +46 43 24 0.03450 1.0158 109.9 68.2 19.2
...
2018 09 29 20 24 17.9 +01 13 10 0.03175 1.0186 121.0 57.5 18.7
2018 09 30 20 27 34.1 -05 52 18 0.03329 1.0188 120.4 58.0 18.8
2018 10 01 20 30 39.1 -12 14 44 0.03529 1.0190 119.2 59.0 19.0
...
2018 10 07 20 46 24.1 -36 39 44 0.05338 1.0188 109.6 67.6 20.2
...
2018 10 15 21 03 23.2 -49 45 14 0.08353 1.0150 99.9 75.5 21.4
...
2018 10 30 21 28 29.1 -58 23 45 0.1403 0.9973 87.6 84.3 22.8
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-S74
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