MPEC 2019-P22 : 2019 OR4
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M.P.E.C. 2019-P22 Issued 2019 August 1, 19:36 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
2019 OR4
Observations:
K19O04R* C2019 07 26.53872 23 12 29.879-19 03 10.29 19.7 iUEP022F51
K19O04R C2019 07 26.54911 23 12 31.241-19 02 33.53 19.6 iUEP022F51
K19O04R C2019 07 26.55950 23 12 32.609-19 01 56.54 19.7 iUEP022F51
K19O04R KC2019 07 27.27011423 14 21.29 -18 19 05.4 19.9 GVEP022W79
K19O04R KC2019 07 27.27213223 14 21.53 -18 18 58.8 19.7 GVEP022W79
K19O04R KC2019 07 27.27566523 14 21.99 -18 18 46.2 20.0 GVEP022W79
K19O04R |C2019 07 27.37100 23 14 34.20 -18 13 07.7 20.9 VuEP022807
K19O04R |C2019 07 27.37372 23 14 34.50 -18 12 57.7 20.9 VuEP022807
K19O04R |C2019 07 27.37632 23 14 34.78 -18 12 48.6 21.1 VuEP022807
K19O04R |C2019 07 29.33137 23 19 11.69 -16 17 50.2 19.8 VuEP022807
K19O04R |C2019 07 29.33524 23 19 12.13 -16 17 36.5 19.7 VuEP022807
K19O04R |C2019 07 29.33901 23 19 12.55 -16 17 23.6 19.6 VuEP022807
K19O04R KC2019 07 30.00885123 20 42.54 -15 39 20.3 19.9 GVEP022L01
K19O04R pC2019 07 30.01003423 20 42.67 -15 39 16.3 20.0 GVEP022L01
K19O04R KC2019 07 30.01121623 20 42.80 -15 39 11.9 20.1 GVEP022L01
K19O04R KC2019 07 30.01632923 20 43.34 -15 38 54.0 20.0 GVEP022L01
K19O04R KC2019 07 30.05571 23 20 48.74 -15 36 32.6 20.1 GVEP022Z84
K19O04R KC2019 07 30.06513 23 20 49.78 -15 36 00.1 20.0 GVEP022Z84
K19O04R KC2019 07 30.07455 23 20 50.85 -15 35 27.9 19.9 GVEP022Z84
K19O04R KC2019 07 30.40285 23 21 31.95 -15 16 20.9 oEP022711
K19O04R IC2019 07 30.40528 23 21 32.21 -15 16 12.4 oEP022711
K19O04R KC2019 07 30.40776 23 21 32.45 -15 16 03.6 oEP022711
K19O04R KC2019 07 30.40941 23 21 32.66 -15 15 58.1 oEP022711
K19O04R KC2019 07 31.37991 23 23 33.11 -14 20 00.0 oEP022711
K19O04R KC2019 07 31.38283 23 23 33.40 -14 19 49.7 oEP022711
K19O04R KC2019 07 31.38569 23 23 33.68 -14 19 39.9 oEP022711
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.
0.61-m f/6.5 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau,
J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic.
1.0-m f/2.9 reflector + CCD.
W79 Cerro Tololo-LCO Aqawan B #1. Observers T. Lister, J. Chatelain, E. Gomez,
S. Greenstreet, I. Kosic. Measurer T. Lister.
0.4-m f/8.0 Schmidt-Cassegrain + CCD.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, D. Koschny,
M. Micheli. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2019 OR4 Earth MOID = 0.1312 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 332.22835 (2000.0) P Q
n 0.31599941 Peri. 338.65143 +0.57757100 +0.81460309
a 2.1347410 Node 326.56263 -0.73429353 +0.48992515
e 0.4650382 Incl. 5.54362 -0.35668579 +0.31047568
P 3.12 H 22.4 G 0.15 U 7
Residuals in seconds of arc
190726 F51 0.1+ 0.0 190729 807 0.3- 0.1+ 190730 Z84 0.3+ 0.4-
190726 F51 0.0 0.1- 190729 807 0.3- 0.2+ 190730 711 0.4- 0.0
190726 F51 0.1+ 0.1- 190729 807 0.4- 0.2- 190730 711 0.4- 0.1+
190727 W79 0.3+ 0.4+ 190730 L01 0.0 0.1+ 190730 711 0.7- 0.3+
190727 W79 0.1+ 0.1- 190730 L01 0.0 0.0 190730 711 0.2- 0.0
190727 W79 0.1+ 0.1+ 190730 L01 0.1- 0.3+ 190731 711 0.8+ 0.4-
190727 807 0.5+ 0.2+ 190730 L01 0.8- 0.5+ 190731 711 0.8+ 0.2-
190727 807 0.2- 0.4+ 190730 Z84 0.2+ 0.0 190731 711 0.7+ 0.2-
190727 807 1.0- 0.2+ 190730 Z84 0.0 0.0
Ephemeris:
2019 OR4 a,e,i = 2.13, 0.47, 6 q = 1.1420
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 07 02 21 35 53.4 -39 35 22 0.1882 1.1668 139.8 34.2 20.5
...
2019 07 17 22 42 30.4 -28 18 24 0.1632 1.1445 138.9 35.7 20.2
...
2019 07 25 23 08 23.6 -20 33 56 0.1599 1.1421 139.5 35.3 20.2
...
2019 07 31 23 22 46.3 -14 41 15 0.1615 1.1446 140.6 34.3 20.2
2019 08 01 23 24 45.6 -13 43 57 0.1622 1.1454 140.8 34.0 20.2
2019 08 02 23 26 38.3 -12 47 18 0.1629 1.1463 141.1 33.8 20.2
...
2019 08 08 23 35 42.2 -07 25 10 0.1690 1.1539 143.2 31.8 20.2
...
2019 08 16 23 42 38.3 -01 16 47 0.1818 1.1696 147.1 28.1 20.3
...
2019 08 31 23 43 54.4 +06 35 10 0.2194 1.2145 156.9 19.1 20.5
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-P22
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