MPEC 2018-Y94 : 2018 YM2
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M.P.E.C. 2018-Y94 Issued 2018 Dec. 30, 02:10 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 YM2
Observations:
K18Y02M* C2018 12 28.56279008 43 58.46 +39 11 35.5 17.79oVEY094T05
K18Y02M C2018 12 28.56853608 43 53.10 +39 07 40.1 17.37oVEY094T05
K18Y02M C2018 12 28.58288708 43 39.76 +38 57 48.8 17.19oVEY094T05
K18Y02M KC2018 12 28.90958208 40 02.13 +34 55 49.2 17.5 GVEY094L01
K18Y02M KC2018 12 28.91000708 40 01.77 +34 55 30.0 17.5 GVEY094L01
K18Y02M KC2018 12 28.91199408 40 00.07 +34 53 58.6 17.3 GVEY094L01
K18Y02M KC2018 12 28.91257008 39 59.57 +34 53 32.3 17.3 GVEY094L01
K18Y02M KC2018 12 28.91299208 39 59.22 +34 53 12.4 17.3 GVEY094L01
K18Y02M KC2018 12 28.91369908 39 58.60 +34 52 40.2 17.2 GVEY094L01
K18Y02M KC2018 12 28.91427208 39 58.10 +34 52 14.0 17.3 GVEY094L01
K18Y02M KC2018 12 28.93172 08 39 44.18 +34 38 33.7 17.0 GVEY094K38
K18Y02M KC2018 12 28.93455 08 39 41.74 +34 36 22.2 17.1 GVEY094K38
K18Y02M KC2018 12 28.93737 08 39 39.30 +34 34 10.8 17.1 GVEY094K38
K18Y02M KC2018 12 28.93834 08 39 34.63 +34 33 33.6 17.2 RoEY094K88
K18Y02M KC2018 12 28.94030 08 39 32.88 +34 32 02.2 17.6 RoEY094K88
K18Y02M KC2018 12 28.94226 08 39 31.14 +34 30 29.5 17.5 RoEY094K88
K18Y02M KC2018 12 28.96427 08 39 15.71 +34 13 11.8 17.7 GVEY094K38
K18Y02M KC2018 12 28.96712 08 39 13.21 +34 10 57.0 17.0 GVEY094K38
K18Y02M KC2018 12 28.96995 08 39 10.64 +34 08 43.4 17.1 GVEY094K38
K18Y02M KC2018 12 28.98104 08 39 00.50 +34 00 12.7 17.0 VEY094104
K18Y02M KC2018 12 28.98434 08 38 57.51 +33 57 35.6 VEY094104
K18Y02M KC2018 12 28.98764 08 38 54.53 +33 54 58.0 17.3 VEY094104
K18Y02M KC2018 12 28.98929 08 38 53.03 +33 53 38.9 17.0 VEY094104
K18Y02M KC2018 12 28.98974 08 38 48.62 +33 53 00.2 16.2 RoEY094K88
K18Y02M KC2018 12 28.99064 08 38 47.80 +33 52 17.0 16.3 RoEY094K88
K18Y02M KC2018 12 28.99155 08 38 46.99 +33 51 33.6 16.3 RoEY094K88
K18Y02M KC2018 12 28.99246 08 38 46.15 +33 50 49.8 16.5 RoEY094K88
K18Y02M KC2018 12 28.99337 08 38 45.34 +33 50 06.0 17.0 RoEY094K88
K18Y02M KC2018 12 29.00405 08 38 35.62 +33 41 31.1 16.6 RoEY094K88
K18Y02M KC2018 12 29.00496 08 38 34.81 +33 40 47.8 17.1 RoEY094K88
K18Y02M KC2018 12 29.00586 08 38 33.98 +33 40 03.1 16.9 RoEY094K88
K18Y02M KC2018 12 29.00677 08 38 33.14 +33 39 18.7 oEY094K88
K18Y02M KC2018 12 29.00768 08 38 32.29 +33 38 35.4 oEY094K88
K18Y02M KC2018 12 29.02408 08 38 17.38 +33 25 17.6 16.5 RoEY094K88
K18Y02M KC2018 12 29.02499 08 38 16.55 +33 24 33.2 16.3 RoEY094K88
K18Y02M KC2018 12 29.02590 08 38 15.71 +33 23 49.2 16.8 RoEY094K88
K18Y02M KC2018 12 29.02680 08 38 14.88 +33 23 04.8 16.8 RoEY094K88
K18Y02M KC2018 12 29.02771 08 38 14.07 +33 22 20.1 17.1 RoEY094K88
K18Y02M C2018 12 29.42518508 32 58.48 +27 33 24.1 17.60RUEY094I41
K18Y02M C2018 12 29.42553208 32 58.06 +27 33 04.6 17.60RUEY094I41
K18Y02M C2018 12 29.42564108 32 57.98 +27 32 59.6 17.70RUEY094I41
K18Y02M C2018 12 29.42598808 32 57.57 +27 32 39.2 17.70RUEY094I41
K18Y02M C2018 12 29.70210 08 29 19.17 +22 56 40.3 17.8 RrEY094P93
K18Y02M C2018 12 29.70303 08 29 18.25 +22 55 41.9 18.1 RrEY094P93
K18Y02M C2018 12 29.70395 08 29 17.32 +22 54 44.7 18.0 RrEY094P93
K18Y02M C2018 12 29.70488 08 29 16.43 +22 53 45.8 17.7 RrEY094P93
K18Y02M KC2018 12 29.80675408 28 15.65 +21 01 41.9 17.3 GVEY094587
K18Y02M KC2018 12 29.80813508 28 14.51 +21 00 13.2 VEY094587
K18Y02M KC2018 12 29.80951508 28 13.37 +20 58 45.1 VEY094587
K18Y02M KC2018 12 29.81747 08 28 06.60 +20 50 21.3 16.8 GVEY094595
K18Y02M KC2018 12 29.82940 08 27 56.41 +20 37 31.1 16.3 GVEY094595
K18Y02M KC2018 12 29.83569 08 27 50.99 +20 30 43.8 16.7 GVEY094595
K18Y02M KC2018 12 29.85110 08 27 37.58 +20 14 01.2 16.6 GVEY094595
K18Y02M KC2018 12 29.86218 08 27 28.53 +20 01 48.6 16.7 GVEY094204
K18Y02M KC2018 12 29.86427 08 27 26.70 +19 59 31.7 VEY094204
K18Y02M KC2018 12 29.86621 08 27 24.97 +19 57 24.4 17.2 GVEY094204
K18Y02M KC2018 12 29.86882 08 27 22.67 +19 54 33.6 VEY094204
K18Y02M KC2018 12 29.87947 08 27 11.20 +19 41 51.4 17.4 GVEY094Z99
K18Y02M KC2018 12 29.88282 08 27 08.33 +19 38 11.0 16.9 GVEY094Z99
K18Y02M KC2018 12 29.88558 08 27 05.91 +19 35 09.5 16.9 GVEY094Z99
K18Y02M KC2018 12 29.91262 08 26 43.82 +19 06 27.1 17.9 VqEY094C77
K18Y02M KC2018 12 29.91483 08 26 41.82 +19 03 59.1 17.3 VqEY094C77
K18Y02M KC2018 12 29.91806 08 26 38.79 +19 00 23.9 16.7 VqEY094C77
K18Y02M KC2018 12 29.92031 08 26 36.67 +18 57 53.5 16.8 VqEY094C77
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri,
M. D. Grazia. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector
+ CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector +
CCD.
587 Sormano. Observers P. Sicoli, A. Testa, G. Ventre. Measurer P. Sicoli.
0.5-m f/6.8 reflector + CCD.
595 Farra dIsonzo. Observers U. Montanar, E. Pettarin, F. Piani. Measurer
E. Pettarin. 0.61-m f/4.5 reflector + CCD.
C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/1000.0 reflector +
CCD.
I41 Palomar Mountain--ZTF. Observer A. U. Tomatic. Measurers D. Streaks,
H.-W. Lin, F. J. Masci, Q.-Z. Ye. 1.2-m f/2.4 Schmidt.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien
+ CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, V. Perovic, P. Kukic,
M. Nikic, F. Beceic. Measurer K. Korlevic. 1.0-m f/2.9 reflector + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers A. Asami,
T. Nimura. 1.0-m f/3.0 reflector + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, J. Tonry, A. Heinze,
H. Weiland. Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland,
B. Stalder. 0.5-m reflector + CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
Orbital elements:
2018 YM2 Earth MOID = 0.0153 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 50.43225 (2000.0) P Q
n 0.87387670 Peri. 248.94611 -0.92188218 -0.19998544
a 1.0835175 Node 278.31107 +0.33404865 -0.84419706
e 0.1581881 Incl. 19.59652 -0.19632814 -0.49733002
P 1.13 H 24.7 G 0.15 U 6
Residuals in seconds of arc
181228 T05 0.2+ 0.6+ 181228 104 0.0 0.4- 181229 P93 0.4+ 1.0+
181228 T05 0.1+ 0.7+ 181228 K88 0.0 0.1- 181229 P93 0.9+ 0.5+
181228 T05 0.1+ 1.0+ 181228 K88 0.1- 0.1- 181229 587 0.5- 0.1+
181228 L01 0.1- 0.2- 181228 K88 0.1+ 0.1+ 181229 587 0.5- 0.1+
181228 L01 0.0 0.1+ 181228 K88 0.1- 0.0 181229 587 0.5- 0.6+
181228 L01 0.0 0.0 181228 K88 0.1+ 0.0 181229 595 0.3+ 0.0
181228 L01 0.1- 0.2+ 181229 K88 0.2- 0.1- 181229 595 0.0 0.2+
181228 L01 0.1+ 0.3- 181229 K88 0.0 0.6+ 181229 595 0.0 0.4+
181228 L01 0.1- 0.0 181229 K88 0.1- 0.6- 181229 595 0.4+ 0.1-
181228 L01 0.2- 0.2+ 181229 K88 0.3- 0.9- 181229 204 0.0 0.2-
181228 K38 0.1- 0.2- 181229 K88 0.5- 0.2- 181229 204 0.1+ 0.2-
181228 K38 0.1- 0.4- 181229 K88 0.1+ 0.3- 181229 204 0.2- 0.5-
181228 K38 0.1- 0.8- 181229 K88 0.1+ 0.2- 181229 204 0.1- 0.1-
181228 K88 0.3+ 0.2+ 181229 K88 0.0 0.2+ 181229 Z99 (0.6- 1.7-)
181228 K88 0.0 0.4+ 181229 K88 0.1- 0.1- 181229 Z99 0.1- 1.3-
181228 K88 0.1- 0.6- 181229 K88 0.2+ 0.3- 181229 Z99 0.3- 0.6-
181228 K38 0.3- 0.2- 181229 I41 (1.7+ 0.3-) 181229 C77 0.4- 0.5+
181228 K38 0.0 0.5- 181229 I41 0.6+ 0.0 181229 C77 0.2+ 0.3-
181228 K38 0.7- 0.4- 181229 I41 1.0+ 1.3+ 181229 C77 0.3- 0.1-
181228 104 0.1+ 0.1+ 181229 I41 0.1+ 0.7+ 181229 C77 0.7- 0.3-
181228 104 0.0 0.1+ 181229 P93 0.5+ 0.4+
181228 104 0.1+ 0.1- 181229 P93 0.6+ 0.4+
Ephemeris:
2018 YM2 a,e,i = 1.08, 0.16, 20 q = 0.9121
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 30 10 08 25.8 +76 28 30 0.2012 1.0772 111.8 58.3 23.5
...
2018 12 15 10 12 58.8 +73 12 59 0.1061 1.0377 117.6 57.2 22.0
...
2018 12 23 09 37 19.5 +65 55 02 0.05516 1.0169 125.9 51.6 20.4
...
2018 12 29 08 38 35.0 +33 47 10 0.02122 1.0018 150.1 29.3 17.6
2018 12 30 08 25 12.1 +17 32 39 0.01783 0.9993 153.5 26.0 17.1
2018 12 31 08 10 43.8 -03 38 37 0.01647 0.9969 145.1 34.3 17.2
...
2019 01 06 06 25 57.5 -69 27 17 0.04208 0.9825 87.7 89.9 21.0
...
2019 01 14 04 10 50.1 -79 01 18 0.09143 0.9647 75.5 99.2 23.0
...
2019 01 29 01 40 25.2 -80 29 59 0.1821 0.9368 69.5 100.0 24.5
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y94
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