MPEC 2019-P60 : 2013 JN7
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M.P.E.C. 2019-P60 Issued 2019 August 8, 23:27 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
2013 JN7
Revision to MPEC 2013-J28
Additional Observations:
K13J07N KC2014 07 30.47286820 09 29.461-19 45 48.18 25.00GVEP060T12
K13J07N KC2014 07 31.44183320 07 59.108-19 49 51.61 24.41GVEP060T12
K13J07N C2019 07 05.58677500 39 26.549+06 08 26.72 23.86GVEP060T14
K13J07N C2019 07 13.59970000 55 31.900+08 05 18.81 23.45GVEP060T14
K13J07N C2019 07 13.60389300 55 32.420+08 05 22.69 23.51GVEP060T14
K13J07N C2019 07 13.60808500 55 32.934+08 05 26.45 23.43GVEP060T14
Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m). Observer D. J. Tholen.
2.24-m f/10.1 reflector + CCD.
T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT). Observers C. Crowder,
C. Wipper. Measurer D. J. Tholen. 3.6-m f/4.1 reflector + MegaCam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
140730 T12 0.02+ 0.00+ 190713 T14 0.18+ 0.07+ MPO473277 0.29 days
Orbital elements:
2013 JN7 PHA, Earth MOID = 0.0382 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 (M-h) MPC
M 276.37166 (2000.0) P Q
n 0.43726520 Peri. 167.43241 -0.25871014 -0.96532304
a 1.7191197 Node 297.55225 +0.88280091 -0.22160413
e 0.6407913 Incl. 2.25829 +0.39208623 -0.13799651
P 2.25 H 21.0 G 0.15 U 1
Residuals in seconds of arc
130416 F51 0.2+ 0.1- 130506 K91 0.0 0.2- 130520 291 0.3+ 0.1-
130416 F51 0.4+ 0.2- 130506 K91 0.1- 0.1- 130520 291 0.7+ 0.1+
130416 F51 0.1+ 0.1+ 130506 K91 0.2- 0.1- 130520 291 0.2+ 0.2+
130416 F51 0.2+ 0.0 130508 807 0.0 0.2- 130521 291 0.6+ 0.0
130505 F51 0.1+ 0.0 130508 807 0.2+ 0.1+ 130521 291 (1.9+ 0.8-)
130505 F51 0.1+ 0.1+ 130508 807 0.6+ 0.3- 130521 291 (0.2+ 1.6-)
130505 F51 0.2+ 0.1+ 130512 291 0.3+ 0.5- 130704 568 0.3- 0.1+
130505 F51 0.2+ 0.1- 130512 291 0.4+ 0.1- 130704 568 0.2- 0.1+
130505 B74 0.4- 0.7+ 130512 291 0.1- 0.3+ 130704 568 0.2- 0.1+
130505 B74 0.9- 0.2+ 130513 291 0.6- 0.6+ 140730 T12 0.1+ 0.0
130505 B74 0.0 0.6+ 130513 291 0.5+ 0.3- 140731 T12 0.0 0.0
130506 807 0.2- 0.3- 130513 291 0.9+ 0.5- 190705 T14 0.0 0.0
130506 807 0.1+ 0.1+ 130514 291 0.3+ 0.2- 190713 T14 0.0 0.0
130506 807 0.0 0.2- 130514 291 0.2+ 0.2- 190713 T14 0.0 0.0
130506 807 0.2+ 0.4- 130514 291 0.4+ 0.3- 190713 T14 0.0 0.0
Ephemeris:
2013 JN7 a,e,i = 1.72, 0.64, 2 q = 0.6175
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 07 09 00 46 08.1 +06 57 13 1.2968 1.6886 93.0 37.0 24.2
...
2019 07 24 01 18 50.2 +10 52 01 1.0405 1.5555 98.3 40.3 23.6
...
2019 08 01 01 39 34.5 +13 15 41 0.9111 1.4806 100.3 42.4 23.3
...
2019 08 07 01 57 30.2 +15 14 44 0.8185 1.4227 101.3 44.4 23.0
2019 08 08 02 00 44.8 +15 35 39 0.8035 1.4128 101.4 44.7 23.0
2019 08 09 02 04 04.5 +15 56 55 0.7886 1.4030 101.5 45.1 22.9
...
2019 08 15 02 26 06.0 +18 11 44 0.7026 1.3430 101.5 47.6 22.7
...
2019 08 23 03 02 46.3 +21 30 43 0.5979 1.2609 100.0 52.2 22.3
...
2019 09 07 04 48 44.1 +27 40 56 0.4493 1.1008 89.6 66.3 21.8
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-P60
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