[Iaude] MPEC Y78: 2019 YM2 [a=2.43,e=0.51,i=15.0,H=22.7]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 22 19:44:55 EST 2019
M.P.E.C. 2019-Y78 Issued 2019 December 23, 00:43 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2019 YM2
Observations:
K19Y02M* C2019 12 20.33920 07 58 50.00 +15 22 25.1 21.0 GVEY078G96
K19Y02M C2019 12 20.34475 07 58 50.74 +15 22 39.6 21.8 GVEY078G96
K19Y02M C2019 12 20.35031 07 58 51.57 +15 22 53.3 20.9 GVEY078G96
K19Y02M C2019 12 20.35586 07 58 52.33 +15 23 07.3 21.2 GVEY078G96
K19Y02M C2019 12 20.44511 07 59 05.29 +15 26 53.6 21.7 GVEY078I52
K19Y02M C2019 12 20.44844 07 59 05.73 +15 27 02.1 21.2 GVEY078I52
K19Y02M C2019 12 20.45177 07 59 06.21 +15 27 10.3 21.9 GVEY078I52
K19Y02M KC2019 12 20.99975208 00 33.625+15 50 37.00 21.5 GVEY078J04
K19Y02M KC2019 12 21.00875108 00 34.986+15 51 00.68 21.7 GVEY078J04
K19Y02M KC2019 12 21.01765708 00 36.295+15 51 24.06 21.3 GVEY078J04
K19Y02M |C2019 12 21.21571 08 01 06.95 +16 00 27.7 21.4 GVEY078807
K19Y02M |C2019 12 21.22134 08 01 07.79 +16 00 42.5 21.3 GVEY078807
K19Y02M |C2019 12 21.22698 08 01 08.62 +16 00 57.3 21.1 GVEY078807
K19Y02M C2019 12 21.30133 08 01 20.69 +16 03 42.6 21.5 GVEY078V06
K19Y02M C2019 12 21.30311 08 01 20.93 +16 03 47.2 20.9 GVEY078V06
K19Y02M C2019 12 21.30488 08 01 21.19 +16 03 52.1 21.2 GVEY078V06
K19Y02M C2019 12 21.30666 08 01 21.46 +16 03 57.2 21.9 GVEY078V06
K19Y02M KC2019 12 22.27584108 03 55.21 +16 47 02.9 22.0 VuEY078H21
K19Y02M KC2019 12 22.28197608 03 56.14 +16 47 19.5 21.5 VuEY078H21
K19Y02M KC2019 12 22.28807208 03 57.04 +16 47 36.5 21.9 VuEY078H21
K19Y02M KC2019 12 22.28892 08 03 57.69 +16 47 43.2 oEY078711
K19Y02M IC2019 12 22.29239 08 03 58.20 +16 47 53.0 oEY078711
K19Y02M KC2019 12 22.29598 08 03 58.74 +16 48 02.4 oEY078711
Observer details:
711 McDonald Observatory, Fort Davis. Observer J. G. Ries. 2.1-m reflector +
CCD + focal reducer.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
1.00-m f/10.0 astrograph + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers E. J. Christensen,
G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman,
F. C. Shelly, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer T. A. Pruyne. Measurers
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers M.
Micheli, D. Koschny, M. Busch, A. Knofel, E. Schwab. 1.0-m f/4.4
reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer D. Rankin. Measurers E. J.
Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m reflector + CCD.
Orbital elements:
2019 YM2 Earth MOID = 0.2307 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Bell
M 33.02330 (2000.0) P Q
n 0.26010307 Peri. 27.13330 -0.58477252 -0.76982059
a 2.4305565 Node 99.74893 +0.68921567 -0.63777898
e 0.5090673 Incl. 15.04133 +0.42781172 -0.02478348
P 3.79 H 22.7 G 0.15 U 8
Residuals in seconds of arc
191220 G96 0.9+ 0.1- 191221 J04 0.1+ 0.2+ 191221 V06 0.0 0.5+
191220 G96 0.0 0.3+ 191221 J04 0.1- 0.2+ 191222 H21 0.1+ 0.6-
191220 G96 0.3+ 0.2- 191221 807 0.2- 0.1- 191222 H21 0.1+ 0.8-
191220 G96 0.3- 0.3- 191221 807 0.0 0.1- 191222 H21 0.1- 0.4-
191220 I52 0.2+ 0.0 191221 807 0.0 0.2- 191222 711 0.2+ 0.5+
191220 I52 0.4- 0.1+ 191221 V06 0.3+ 0.0 191222 711 0.0 0.8+
191220 I52 0.5- 0.1- 191221 V06 0.1- 0.1- 191222 711 0.0 0.3+
191220 J04 0.1- 0.1+ 191221 V06 0.1- 0.1+
Ephemeris:
2019 YM2 a,e,i = 2.43, 0.51, 15 q = 1.1932
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 11 23 06 59 37.1 +04 42 23 0.5068 1.3783 131.8 32.3 23.3
...
2019 12 08 07 29 49.9 +08 40 42 0.3854 1.3061 140.6 28.6 22.5
...
2019 12 16 07 48 00.5 +12 35 01 0.3327 1.2734 145.9 25.7 22.0
...
2019 12 22 08 03 10.4 +16 34 47 0.2997 1.2521 149.9 23.2 21.7
2019 12 23 08 05 51.5 +17 20 28 0.2948 1.2488 150.5 22.8 21.6
2019 12 24 08 08 35.5 +18 07 49 0.2901 1.2456 151.1 22.4 21.6
...
2019 12 30 08 26 09.9 +23 24 52 0.2659 1.2282 154.2 20.4 21.3
...
2020 01 07 08 53 15.5 +31 35 23 0.2453 1.2102 155.1 20.0 21.1
...
2020 01 22 09 55 31.6 +46 33 13 0.2431 1.1937 146.2 27.3 21.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-Y78
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