MPEC 2018-S44 : 2018 SD1
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2018-S43
Read MPEC 2018-S45
M.P.E.C. 2018-S44 Issued 2018 Sept. 20, 00:59 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 SD1
Observations:
K18S01D* C2018 09 18.44907 22 46 50.32 +25 38 44.6 17.2 oUES044T05
K18S01D C2018 09 18.46029 22 47 01.88 +25 25 29.6 17.6 oUES044T05
K18S01D C2018 09 18.47848 22 47 20.81 +25 04 00.9 17.3 oUES044T05
K18S01D KC2018 09 18.80686422 53 28.01 +18 59 46.8 18.0 VtES044G34
K18S01D KC2018 09 18.80808722 53 29.11 +18 58 29.9 17.5 VtES044G34
K18S01D KC2018 09 18.80926922 53 30.23 +18 57 17.5 17.8 VtES044G34
K18S01D KC2018 09 18.81041222 53 31.09 +18 56 09.7 17.3 VtES044G34
K18S01D KC2018 09 18.82663 22 53 43.97 +18 39 54.6 16.7 RoES044K88
K18S01D KC2018 09 18.82827 22 53 45.35 +18 38 14.5 17.0 RoES044K88
K18S01D KC2018 09 18.82991 22 53 46.73 +18 36 34.4 17.0 RoES044K88
K18S01D KC2018 09 18.83155 22 53 48.09 +18 34 54.9 17.0 RoES044K88
K18S01D KC2018 09 18.83319 22 53 49.48 +18 33 14.6 16.9 RoES044K88
K18S01D KC2018 09 18.89586 22 54 42.18 +17 30 29.8 17.7 VtES044595
K18S01D KC2018 09 18.89756 22 54 43.53 +17 28 48.7 17.5 VtES044595
K18S01D KC2018 09 18.89925 22 54 44.86 +17 27 08.0 17.6 VtES044595
K18S01D KC2018 09 18.90095 22 54 46.19 +17 25 27.1 17.7 VtES044595
K18S01D KC2018 09 18.90481422 54 49.16 +17 21 41.6 17.6 RSES044L01
K18S01D KC2018 09 18.90560022 54 49.77 +17 20 55.3 17.6 RSES044L01
K18S01D IC2018 09 18.90639222 54 50.40 +17 20 08.4 17.6 RSES044L01
K18S01D KC2018 09 18.90654322 54 50.39 +17 19 31.3 16.9 VtES044G34
K18S01D KC2018 09 18.90718222 54 51.02 +17 19 21.9 17.6 RSES044L01
K18S01D KC2018 09 18.90776022 54 51.37 +17 18 18.0 17.3 VtES044G34
K18S01D IC2018 09 18.90796622 54 51.63 +17 18 35.4 17.7 RSES044L01
K18S01D KC2018 09 18.91163222 54 54.43 +17 14 29.6 17.9 VtES044G34
K18S01D KC2018 09 18.92119 22 55 01.51 +17 05 15.8 18.1 VSES044C47
K18S01D KC2018 09 18.92345 22 55 03.27 +17 03 03.3 18.1 VSES044C47
K18S01D KC2018 09 18.92571 22 55 04.99 +17 00 49.9 18.3 VSES044C47
K18S01D KC2018 09 18.92797 22 55 06.78 +16 58 37.6 18.2 VSES044C47
K18S01D KC2018 09 18.93032 22 55 08.59 +16 56 19.6 18.2 VSES044C47
K18S01D KC2018 09 18.94021 22 55 14.98 +16 46 43.9 17.0 RoES044K88
K18S01D KC2018 09 18.94188 22 55 16.25 +16 45 05.9 16.8 RoES044K88
K18S01D KC2018 09 18.94355 22 55 17.54 +16 43 28.9 17.0 RoES044K88
K18S01D KC2018 09 19.03306722 56 52.19 +15 18 36.2 17.8 VqES044W34
K18S01D KC2018 09 19.04505822 57 01.15 +15 07 29.9 17.7 VqES044W34
K18S01D tC2018 09 19.28104722 59 47.64 +11 39 12.7 17.88RUES044I41
K18S01D tC2018 09 19.28139422 59 47.87 +11 38 54.9 17.88RUES044I41
K18S01D tC2018 09 19.31926823 00 10.49 +11 07 20.4 17.80RUES044I41
K18S01D tC2018 09 19.31961523 00 10.72 +11 07 03.5 17.80RUES044I41
K18S01D tC2018 09 19.35233423 00 30.02 +10 40 11.7 18.36gUES044I41
K18S01D tC2018 09 19.35268023 00 30.19 +10 39 55.4 18.36gUES044I41
K18S01D KC2018 09 19.36333 23 00 30.05 +10 30 48.1 17.6 RuES044850
K18S01D KC2018 09 19.36504 23 00 31.10 +10 29 25.6 17.4 RuES044850
K18S01D KC2018 09 19.36668 23 00 32.17 +10 28 04.8 17.2 RuES044850
K18S01D KC2018 09 19.36839 23 00 33.23 +10 26 41.8 17.6 RuES044850
K18S01D KC2018 09 19.37010 23 00 34.35 +10 25 18.8 17.7 RuES044850
K18S01D KC2018 09 19.37181 23 00 35.34 +10 23 55.5 17.6 RuES044850
K18S01D KC2018 09 19.37351 23 00 36.44 +10 22 32.7 17.5 RuES044850
K18S01D KC2018 09 19.37608 23 00 38.04 +10 20 27.8 17.6 RuES044850
K18S01D KC2018 09 19.77137 23 05 05.44 +05 28 08.0 17.7 VtES044L04
K18S01D KC2018 09 19.77769 23 05 08.60 +05 23 53.3 17.8 VtES044L04
K18S01D KC2018 09 19.78604 23 05 12.71 +05 18 17.5 17.9 VtES044L04
K18S01D KC2018 09 19.79688 23 05 19.82 +05 10 51.5 17.9 RqES044A17
K18S01D KC2018 09 19.80088 23 05 21.83 +05 08 12.1 17.6 RqES044A17
K18S01D KC2018 09 19.80430 23 05 23.47 +05 05 55.3 17.8 RqES044A17
K18S01D KC2018 09 19.82237323 05 33.05 +04 54 16.9 17.5 RqES044K63
K18S01D KC2018 09 19.82476923 05 34.08 +04 52 42.3 17.6 RqES044K63
K18S01D KC2018 09 19.82751223 05 35.46 +04 50 55.3 17.7 RqES044K63
K18S01D KC2018 09 19.83071823 05 37.01 +04 48 48.1 17.5 RqES044K63
K18S01D KC2018 09 19.83191 23 05 37.57 +04 47 55.2 VES044204
K18S01D KC2018 09 19.83566 23 05 39.37 +04 45 27.6 VES044204
K18S01D KC2018 09 19.83942 23 05 41.15 +04 42 59.8 18.0 GVES044204
K18S01D KC2018 09 19.88116 23 05 55.75 +04 15 44.4 17.5 RqES044585
K18S01D KC2018 09 19.88187 23 05 56.12 +04 15 16.2 17.6 RqES044585
K18S01D KC2018 09 19.88223 23 05 56.28 +04 15 03.1 17.7 RqES044585
K18S01D KC2018 09 19.88265 23 05 56.47 +04 14 46.5 17.7 RqES044585
K18S01D KC2018 09 19.88323 23 05 56.73 +04 14 24.3 17.7 RqES044585
K18S01D KC2018 09 19.92520 23 06 17.73 +03 47 50.1 17.7 RoES044K88
K18S01D KC2018 09 19.92766 23 06 18.84 +03 46 17.0 17.7 RoES044K88
K18S01D KC2018 09 19.93012 23 06 19.93 +03 44 44.0 17.8 RoES044K88
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
585 Kyiv comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin.
0.61-m f/4.0 reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.3-m f/7.6
Schmidt-Cassegrain + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
C47 Nonndorf. Observer G. Dangl. 0.25-m f/4.8 reflector + CCD.
G34 Oberfrauendorf. Observer T. Felber. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
I41 Palomar Mountain--ZTF. Observer A. U. Tomatic. Measurer Q.-Z. Ye. 1.2-m
f/2.4 Schmidt + ZTF camera.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.41-m
f/3.2 Newtonian reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observers K. Sarneczky, R. Szakats. Measurer
K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5
reflector + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, H. Flewelling, A. Heinze,
H. Weiland, J. Tonry. Measurers L. Denneau, H. Flewelling, A. Heinze,
J. Tonry, A. Fitzsimmons, D. Young. 0.5-m f/2.0 Schmidt + CCD.
W34 Squirrel Valley Observatory, Columbus. Observer R. L. Flynn. 0.2-m f/7.0
Schmidt-Cassegrain + CCD.
Orbital elements:
2018 SD1 Earth MOID = 0.0211 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 262.90606 (2000.0) P Q
n 0.85719866 Peri. 70.12168 -0.38183883 +0.92411331
a 1.0975266 Node 177.29529 -0.92061951 -0.37890353
e 0.4341689 Incl. 18.04668 -0.08160161 -0.04946429
P 1.15 H 24.6 G 0.15 U 7
Residuals in seconds of arc
180918 T05 (1.1+ 4.6-) 180918 G34 0.7+ 0.6- 180919 850 0.1- 0.2-
180918 T05 0.6- 0.7- 180918 C47 0.0 0.6- 180919 850 0.6- 0.3-
180918 T05 0.1+ 0.2+ 180918 C47 0.0 0.0 180919 L04 0.0 0.5-
180918 G34 0.1+ 0.6+ 180918 C47 0.6- 0.5- 180919 L04 0.2+ 0.2-
180918 G34 0.6+ 1.2- 180918 C47 0.2- 0.1+ 180919 L04 0.0 0.2-
180918 G34 (2.0+ 1.0-) 180918 C47 0.4- 0.1+ 180919 A17 0.1+ 0.4+
180918 G34 0.2+ 1.4+ 180918 K88 0.3- 0.5+ 180919 A17 0.2+ 0.6+
180918 K88 0.4- 0.3+ 180918 K88 0.6- 0.2+ 180919 A17 0.8- 0.0
180918 K88 0.3- 0.3+ 180918 K88 0.6- 0.9+ 180919 K63 0.9+ 1.1-
180918 K88 0.2- 0.3+ 180919 W34 0.1+ 0.9- 180919 K63 0.8- 1.1-
180918 K88 0.3- 0.8+ 180919 W34 0.1+ 0.0 180919 K63 0.2+ 0.1+
180918 K88 0.0 0.4+ 180919 I41 0.7+ 0.7+ 180919 K63 0.6+ 0.8-
180918 595 0.1+ 0.3- 180919 I41 1.0+ 0.4+ 180919 204 0.2- 0.0
180918 595 0.2+ 0.4- 180919 I41 0.3+ 0.3- 180919 204 0.0 0.2-
180918 595 0.2+ 0.7- 180919 I41 0.6+ 0.1+ 180919 204 0.0 0.4-
180918 595 0.1+ 0.6- 180919 I41 0.2- 0.7+ 180919 585 0.7- 0.7+
180918 L01 0.2- 0.2- 180919 I41 0.7- 1.4+ 180919 585 0.1- 0.1-
180918 L01 0.3- 0.1+ 180919 850 0.6+ 0.6- 180919 585 0.1- 0.7+
180918 L01 0.1- 0.1+ 180919 850 0.2+ 0.4+ 180919 585 0.1- 0.3+
180918 G34 0.5+ 0.0 180919 850 0.7+ 0.5- 180919 585 0.2- 0.4+
180918 L01 0.1- 0.4+ 180919 850 0.3+ 0.2- 180919 K88 0.5- 0.4+
180918 G34 0.7+ 1.2- 180919 850 0.9+ 0.1+ 180919 K88 0.2- 0.3+
180918 L01 0.1- 0.3+ 180919 850 0.5- 0.0 180919 K88 0.2- 0.2+
Ephemeris:
2018 SD1 a,e,i = 1.10, 0.43, 18 q = 0.6210
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 08 21 11 40 57.5 +37 02 09 0.2664 0.8035 33.6 135.8 27.6
...
2018 09 05 11 55 54.6 +44 53 30 0.1182 0.9213 40.2 135.1 26.0
...
2018 09 13 12 37 44.9 +61 38 40 0.04568 0.9838 59.3 118.4 22.6
...
2018 09 19 22 56 08.6 +15 52 54 0.02665 1.0296 158.8 20.7 17.8
2018 09 20 23 06 56.5 +03 05 02 0.03328 1.0371 168.8 10.8 18.0
2018 09 21 23 13 44.6 -05 11 27 0.04105 1.0445 169.6 10.0 18.4
...
2018 09 27 23 29 40.0 -22 41 57 0.09502 1.0884 153.6 24.1 20.8
...
2018 10 05 23 36 26.1 -27 39 09 0.1724 1.1443 144.1 30.8 22.4
...
2018 10 20 23 45 01.7 -28 38 50 0.3264 1.2404 132.6 36.2 24.1
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-S44
Read MPEC 2018-S43
Read MPEC 2018-S45
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)