MPEC 2019-U274 : 2019 RP4
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M.P.E.C. 2019-U274 Issued 2019 October 30, 16:03 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 RP4
Observations:
K19R04P* C2019 09 07.48364 03 18 36.05 +14 26 51.5 21.8 GVEU274G96
K19R04P C2019 09 07.48793 03 18 36.41 +14 26 58.5 22.5 GVEU274G96
K19R04P C2019 09 07.49222 03 18 36.72 +14 27 05.8 21.9 GVEU274G96
K19R04P C2019 09 07.49651 03 18 37.09 +14 27 13.3 21.8 GVEU274G96
K19R04P C2019 09 28.37577 03 32 31.96 +22 34 14.8 21.8 GVEU274G96
K19R04P C2019 09 28.38089 03 32 31.94 +22 34 21.2 21.9 GVEU274G96
K19R04P C2019 09 28.38601 03 32 31.91 +22 34 26.9 21.4 GVEU274G96
K19R04P C2019 09 28.39113 03 32 31.81 +22 34 33.1 21.5 GVEU274G96
K19R04P C2019 10 25.56813503 06 45.206+28 06 16.38 21.7 GVEU274F52
K19R04P C2019 10 25.57976403 06 44.088+28 06 19.34 21.3 GVEU274F52
K19R04P C2019 10 28.36899303 02 37.126+28 17 32.68 21.69wUEU274F51
K19R04P C2019 10 28.38078203 02 35.989+28 17 35.29 21.84wUEU274F51
K19R04P C2019 10 28.39257103 02 34.839+28 17 37.92 21.73wUEU274F51
K19R04P C2019 10 28.40455203 02 33.666+28 17 40.63 21.80wUEU274F51
K19R04P C2019 10 29.28649 03 01 14.85 +28 20 17.3 VEU274V06
K19R04P C2019 10 29.28797 03 01 14.66 +28 20 18.2 22.7 GVEU274V06
K19R04P C2019 10 29.28946 03 01 14.52 +28 20 18.6 21.7 GVEU274V06
K19R04P C2019 10 30.24920 02 59 49.41 +28 22 45.4 VEU274V06
K19R04P C2019 10 30.25237 02 59 49.01 +28 22 47.3 21.9 GVEU274V06
K19R04P C2019 10 30.25554 02 59 48.74 +28 22 48.3 22.1 GVEU274V06
K19R04P C2019 10 30.25870 02 59 48.45 +28 22 48.6 21.8 GVEU274V06
Observer details:
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.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. Measurers B. M. Africano, 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. 1.5-m reflector + 10K CCD.
V06 Catalina Sky Survey-Kuiper. Observer G. J. Leonard. Measurers B. M.
Africano, 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 RP4 Earth MOID = 0.1583 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 Bell
M 329.26369 (2000.0) P Q
n 0.28546677 Peri. 325.88591 +0.90791910 +0.41872535
a 2.2843659 Node 9.41632 -0.35442145 +0.79084553
e 0.4948082 Incl. 6.58488 -0.22375959 +0.44635460
P 3.45 H 22.0 G 0.15 U 4
Residuals in seconds of arc
190907 G96 0.4- 0.2- 190928 G96 0.4+ 0.2+ 191029 V06 0.7+ 0.7-
190907 G96 0.1+ 0.2- 191025 F52 0.1+ 0.1- 191029 V06 0.0 0.0
190907 G96 0.2- 0.0 191025 F52 0.1+ 0.0 191029 V06 0.1+ 0.1+
190907 G96 0.5+ 0.5+ 191028 F51 0.1- 0.1+ 191030 V06 0.9+ 1.5-
190928 G96 0.9- 0.3- 191028 F51 0.0 0.0 191030 V06 0.3- 0.1-
190928 G96 0.1- 0.1+ 191028 F51 0.1- 0.1+ 191030 V06 0.1+ 0.4+
190928 G96 0.7+ 0.1- 191028 F51 0.1- 0.2+ 191030 V06 0.3+ 0.2+
Ephemeris:
2019 RP4 a,e,i = 2.28, 0.49, 7 q = 1.1540
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 09 30 03 32 14.0 +23 04 42 0.3713 1.2719 129.8 37.2 21.9
...
2019 10 15 03 21 06.2 +26 44 34 0.3998 1.3459 145.4 24.9 21.8
...
2019 10 23 03 10 31.0 +27 52 11 0.4242 1.3899 154.4 18.0 21.8
...
2019 10 29 03 01 40.1 +28 19 30 0.4482 1.4244 160.8 13.3 21.8
2019 10 30 03 00 11.0 +28 22 13 0.4527 1.4303 161.8 12.5 21.8
2019 10 31 02 58 42.3 +28 24 27 0.4574 1.4362 162.7 11.9 21.8
...
2019 11 06 02 50 10.9 +28 28 35 0.4891 1.4722 167.1 8.6 21.9
...
2019 11 14 02 40 29.7 +28 14 52 0.5408 1.5215 167.1 8.3 22.2
...
2019 11 29 02 29 58.3 +27 21 40 0.6682 1.6166 154.9 15.0 23.0
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