MPEC 2013-H03 : 2008 TF4
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M.P.E.C. 2013-H03 Issued 2013 Apr. 16, 02:27 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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
2008 TF4
Revision to MPEC 2008-T86
Additional Observations:
K08T04F C2013 04 15.09973 15 35 02.83 -13 50 51.4 20.7 RqEH003493
K08T04F C2013 04 15.10175 15 35 02.77 -13 50 48.7 20.7 RqEH003493
K08T04F C2013 04 15.10378 15 35 02.72 -13 50 45.8 20.5 RqEH003493
K08T04F C2013 04 15.10584 15 35 02.66 -13 50 43.4 20.5 RqEH003493
K08T04F C2013 04 15.10788 15 35 02.61 -13 50 40.5 20.7 RqEH003493
K08T04F C2013 04 15.10991 15 35 02.53 -13 50 37.6 20.6 RqEH003493
K08T04F C2013 04 15.11198 15 35 02.49 -13 50 35.0 20.7 RqEH003493
K08T04F C2013 04 15.11384 15 35 02.43 -13 50 32.2 20.6 RqEH003493
K08T04F C2013 04 15.11591 15 35 02.37 -13 50 29.5 20.9 RqEH003493
K08T04F C2013 04 15.50357 15 34 52.548-13 41 40.97 21.1 wLEH003F51
K08T04F C2013 04 15.51782 15 34 52.118-13 41 21.69 21.0 wLEH003F51
K08T04F C2013 04 15.53209 15 34 51.678-13 41 02.28 21.2 wLEH003F51
K08T04F C2013 04 15.54634 15 34 51.266-13 40 42.82 21.2 wLEH003F51
K08T04F KC2013 04 16.06532 15 34 37.51 -13 28 52.4 20.7 RqEH003493
K08T04F KC2013 04 16.06766 15 34 37.42 -13 28 49.5 20.7 RqEH003493
K08T04F KC2013 04 16.07000 15 34 37.36 -13 28 46.1 20.9 RqEH003493
Observer details:
493 Calar Alto. Observer F. Hormuth. 1.23-m reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, S. Watters,
T. Goggia. Measurer PS1 Science Consortium. 1.8-m Ritchey-Chretien
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
130415 493 0.03- 0.00- 130416 493 0.03- 0.00- MPO221125 +0.040 day
Orbital elements:
2008 TF4 Earth MOID = 0.4247 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5 MPC
M 291.50585 (2000.0) P Q
n 0.37805779 Peri. 113.09984 +0.79052440 +0.56966473
a 1.8942208 Node 213.47355 -0.59341851 +0.80326101
e 0.3195943 Incl. 24.05734 +0.15141220 +0.17393632
P 2.61 H 19.2 G 0.15 U 2
Residuals in seconds of arc
081006 703 1.3- 1.1- 081019 H55 0.2- 0.5+ 081030 704 0.8+ 0.3+
081006 703 0.3- 0.2- 081019 H55 0.1- 0.4+ 081030 704 (0.0 2.3+)
081006 703 0.1+ 0.6- 081019 H55 0.2- 0.2+ 081030 704 (1.9+ 0.2-)
081006 703 0.2- 1.5- 081019 H55 0.1- 0.3+ 081030 704 (2.5- 1.6+)
081007 704 0.3+ 0.4+ 081019 204 0.0 0.0 081031 H55 0.2- 0.7+
081007 704 0.1+ 0.5+ 081019 204 0.1- 0.1- 081031 H55 0.4- 0.0
081007 704 0.4+ 0.8+ 081020 204 0.2- 0.0 081031 H55 0.3- 0.6+
081007 704 0.1+ 0.5+ 081020 204 0.1- 0.1+ 081031 H55 0.2- 0.3+
081007 704 0.0 0.2+ 081020 H55 0.4- 0.3+ 081101 704 0.1- 0.4+
081007 J95 0.1+ 0.3- 081020 H55 0.2- 0.5+ 081101 704 0.4- 0.0
081007 J95 0.3+ 0.3- 081020 H55 0.0 0.2+ 081101 704 0.0 0.6+
081007 J95 0.1+ 0.1- 081020 H55 0.2- 0.4+ 081101 704 0.1+ 0.7+
081008 704 0.5- 1.0- 081020 448 0.1- 0.1- 081101 645 0.1+ 0.0
081008 704 0.0 0.1- 081020 448 0.1- 0.3+ 081101 645 0.0 0.4-
081008 704 0.3- 0.3- 081020 448 0.1+ 0.1+ 081101 645 0.1+ 0.1-
081008 704 0.4- 0.4+ 081020 448 0.2+ 0.1+ 081104 H55 0.1- 0.7+
081008 704 0.5- 0.2- 081020 448 0.1- 0.2+ 081104 H55 0.4- 0.5+
081008 A78 0.3- 0.1- 081020 A17 0.4+ 0.5+ 081104 H55 0.1- 0.5+
081008 A78 0.2+ 0.5+ 081020 A17 0.2- 0.4- 081107 G96 0.3+ 0.3-
081008 A78 0.3+ 0.2- 081020 A17 0.1+ 0.2+ 081107 G96 1.0+ 0.2-
081008 A78 0.9+ 0.2+ 081023 304 0.4- 0.1+ 081107 G96 0.9+ 0.1-
081009 H55 0.1- 0.2+ 081023 304 0.2- 0.1+ 081107 G96 0.5+ 0.1+
081009 H55 0.0 0.1- 081023 304 0.1- 0.0 081118 H55 0.3- 0.1+
081009 H55 0.1+ 0.2+ 081023 304 0.2- 0.2- 081118 H55 0.7- 0.2+
081009 448 0.1- 0.2+ 081023 304 0.4- 0.2+ 081118 H55 0.5- 0.2-
081009 448 0.5+ 0.1- 081023 304 0.3- 0.1- 081120 H55 0.1- 0.6+
081009 448 0.5+ 0.0 081023 304 0.2- 0.2+ 081120 H55 0.1- 0.3+
081010 H55 0.2- 0.1- 081023 304 0.2- 0.1+ 081120 H55 0.0 0.3+
081010 H55 0.9+ 0.4+ 081023 448 0.2- 0.7+ 081222 645 0.0 0.1+
081010 H55 0.0 0.0 081023 448 0.2+ 0.3+ 081222 645 0.0 0.1+
081010 H55 1.0+ 0.8+ 081023 448 0.1+ 0.4+ 081229 H55 1.3+ 0.3-
081010 H55 0.1- 0.3+ 081023 A17 0.2+ 0.5- 081229 H55 0.8+ 0.3-
081010 H55 1.0+ 1.1+ 081023 A17 0.0 0.4- 081229 H55 0.0 0.3-
081010 H55 0.1- 0.0 081023 A17 0.0 0.4- 130415 493 0.1- 0.1+
081011 B03 0.0 0.2- 081026 704 0.1- 0.6+ 130415 493 0.2- 0.0
081011 B03 0.1+ 0.4+ 081026 704 0.4- 0.4+ 130415 493 0.1- 0.2+
081011 B03 0.2+ 0.2+ 081026 704 0.1- 1.1+ 130415 493 0.1- 0.2-
081011 B03 0.4+ 0.1- 081026 704 1.0- 0.3+ 130415 493 0.0 0.1-
081011 355 0.5+ 0.8+ 081026 704 0.1- 0.2+ 130415 493 0.3- 0.1+
081011 355 0.3- 0.4+ 081026 A78 0.1+ 0.4- 130415 493 0.0 0.1-
081011 355 0.0 0.4+ 081026 A78 (1.0- 2.2-) 130415 493 0.1- 0.2+
081012 H55 0.1- 0.3+ 081026 A78 0.6- 0.7- 130415 493 0.1- 0.1+
081012 H55 0.1- 0.5- 081028 704 0.1- 0.6- 130415 F51 0.1+ 0.3+
081012 H55 0.0 0.2+ 081028 704 0.1+ 0.5+ 130415 F51 0.1+ 0.1+
081017 H55 0.1- 0.2+ 081028 704 0.1- 0.2- 130415 F51 0.1- 0.1+
081017 H55 0.1- 0.6+ 081028 704 0.3- 1.3+ 130415 F51 0.1+ 0.1+
081017 H55 0.3- 0.5+ 081028 704 0.2- 0.3- 130416 493 0.0 0.2+
081017 448 0.1+ 0.0 081029 645 0.1- 0.2- 130416 493 0.2- 0.1-
081017 448 0.3+ 0.3+ 081029 645 0.1- 0.1+ 130416 493 0.1- 0.1+
081017 448 0.0 0.1- 081030 704 0.4+ 1.0+
Ephemeris:
2008 TF4 a,e,i = 1.89, 0.32, 24 q = 1.2888
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2013 03 17 15 31 23.4 -21 23 18 1.2851 1.9857 120.6 25.6 22.4
...
2013 04 01 15 37 06.7 -18 18 53 1.0881 1.9281 134.9 21.5 21.9
...
2013 04 09 15 36 53.4 -15 58 52 0.9967 1.8964 143.3 18.4 21.5
...
2013 04 15 15 35 05.4 -13 53 00 0.9361 1.8724 149.8 15.7 21.3
2013 04 16 15 34 39.2 -13 30 16 0.9267 1.8683 150.9 15.2 21.2
2013 04 17 15 34 10.8 -13 07 04 0.9176 1.8643 152.0 14.7 21.2
...
2013 04 23 15 30 33.7 -10 37 55 0.8675 1.8398 158.4 11.6 20.9
...
2013 05 01 15 23 51.9 -06 56 16 0.8145 1.8068 165.1 8.2 20.6
...
2013 05 16 15 07 33.1 +00 30 55 0.7605 1.7442 159.6 11.7 20.5
A. U. Tomatic (C) Copyright 2013 MPC M.P.E.C. 2013-H03
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