MPEC 2005-G07 : 2004 DG77, 2004 EG96, 2004 EJ96 = 2004 HE64
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M.P.E.C. 2005-G07 Issued 2005 Apr. 1, 15:44 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2004 DG77, 2004 EG96, 2004 EJ96 = 2004 HE64
Revision to MPEC 2004-N02
Additional Observations:
K04D77G C2005 03 11.31189 11 32 35.37 +03 43 34.7 23.3 R EG007695
K04D77G C2005 03 12.26766 11 32 30.89 +03 43 54.7 EG007695
K04D77G C2005 03 12.35146 11 32 30.50 +03 43 56.2 EG007695
K04E96G C2005 03 09.39258 13 36 22.72 -07 35 52.9 22.9 R EG007695
K04E96G C2005 03 09.48404 13 36 22.37 -07 35 49.6 EG007695
K04E96G C2005 03 10.41678 13 36 18.56 -07 35 18.6 EG007695
K04E96J C2005 03 09.45666 12 37 53.58 -02 18 20.0 23.1 R EG007695
K04E96J C2005 03 10.36086 12 37 48.98 -02 17 52.2 EG007695
K04E96J C2005 03 10.49706 12 37 48.27 -02 17 47.7 EG007695
Observer details:
695 Kitt Peak. Observers M. W. Buie, L. H. Wasserman. Measurers M. W. Buie,
L. H. Wasserman, D. E. Trilling, J. L. Elliot, R. L. Millis. 4-m f/2.8
reflector + CCD.
Orbital elements:
2004 DG77
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 MPC
M 257.81890 (2000.0) P Q
n 0.00337988 Peri. 294.48797 +0.33464422 +0.93783344
a 43.9745653 Node 352.83199 -0.33923355 +0.02871298
e 0.1243349 Incl. 47.56734 -0.87916656 +0.34589593
P 292 H 7.3 G 0.15 U 6
Residuals in seconds of arc
K042R 695 0.2+ 0.0 K043F 695 0.3- 0.0 K053B 695 0.4+ 0.0
K042R 695 0.0 0.2- K044M 568 0.1- 0.0 K053C 695 0.2- 0.1+
K043F 695 0.0 0.3+ K044M 568 0.2+ 0.0 K053C 695 0.2- 0.1-
2004 EG96
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 MPC
M 356.92048 (2000.0) P Q
n 0.00233796 Peri. 16.25499 -0.84514044 +0.52872544
a 56.2226963 Node 196.39202 -0.51621685 -0.84548055
e 0.4295978 Incl. 16.18399 -0.13877247 -0.07491358
P 422 H 8.1 G 0.15 U 5
Residuals in seconds of arc
K043E 695 0.0 0.3+ K045E 568 0.3- 0.2- K047H 807 0.3- 0.1-
K043F 695 0.1+ 0.1+ K047F 807 0.1+ 0.1- K0539 695 0.2- 0.0
K043F 695 0.1+ 0.0 K047F 807 0.2+ 0.2- K0539 695 0.2+ 0.2+
K045E 568 0.0 0.0 K047G 807 0.0 0.2+ K053A 695 0.0 0.1-
2004 EJ96 = 2004 HE64
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 MPC
M 321.10683 (2000.0) P Q
n 0.00391900 Peri. 231.01480 -0.34934127 +0.93555035
a 39.8430151 Node 18.73956 -0.80181846 -0.26975532
e 0.2426425 Incl. 9.31868 -0.48481732 -0.22798598
P 251 H 8.0 G 0.15 U 4
Residuals in seconds of arc
K043F 695 0.1- 0.1- K044L 568 0.1+ 0.1+ K047G 807 0.1- 0.1-
K043G 695 0.2+ 0.0 K044M 568 0.0 0.1- K0539 695 0.3- 0.2-
K043G 695 0.2- 0.0 K047F 807 0.1+ 0.0 K053A 695 0.1+ 0.0
K044L 568 0.0 0.2+ K047F 807 0.1- 0.0 K053A 695 0.1+ 0.3+
Ephemerides:
2004 DG77 a,e,i = 43.97, 0.12, 48 q = 38.507
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 03 31 11 31.09 +03 50.2 44.781 45.730 161.5 0.4 23.9
2005 04 10 11 30.38 +03 53.1 44.844 45.727 151.5 0.6 24.0
2005 04 20 11 29.74 +03 55.6 44.933 45.724 141.6 0.8 24.0
2005 04 30 11 29.19 +03 57.6 45.045 45.721 131.7 0.9 24.0
2005 05 10 11 28.74 +03 58.8 45.177 45.718 121.9 1.1 24.0
2005 05 20 11 28.41 +03 59.3 45.324 45.715 112.2 1.2 24.1
2005 05 30 11 28.21 +03 59.0 45.482 45.712 102.5 1.2 24.1
2005 06 09 11 28.13 +03 57.9 45.646 45.709 92.9 1.3 24.1
2005 06 19 11 28.19 +03 55.9 45.812 45.706 83.4 1.3 24.1
2005 06 29 11 28.38 +03 53.1 45.974 45.703 73.9 1.2 24.1
2005 07 09 11 28.69 +03 49.5 46.129 45.700 64.5 1.2 24.1
2005 07 19 11 29.12 +03 45.2 46.272 45.697 55.1 1.0 24.1
2005 07 29 11 29.65 +03 40.2 46.398 45.694 45.7 0.9 24.1
2005 08 08 11 30.28 +03 34.7 46.505 45.691 36.3 0.8 24.1
2004 EG96 a,e,i = 56.22, 0.43, 16 q = 32.070
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 03 31 13 34.68 -07 22.7 31.199 32.167 165.5 0.4 23.2
2005 04 10 13 33.79 -07 16.1 31.167 32.165 175.2 0.2 23.2
2005 04 20 13 32.87 -07 09.6 31.165 32.164 173.7 0.2 23.2
2005 04 30 13 31.98 -07 03.3 31.193 32.162 164.0 0.5 23.2
2005 05 10 13 31.13 -06 57.5 31.249 32.161 154.2 0.8 23.2
2005 05 20 13 30.38 -06 52.3 31.332 32.159 144.4 1.1 23.3
2005 05 30 13 29.74 -06 47.9 31.438 32.158 134.6 1.3 23.3
2005 06 09 13 29.24 -06 44.4 31.565 32.156 124.9 1.5 23.3
2005 06 19 13 28.91 -06 42.0 31.708 32.155 115.3 1.6 23.4
2005 06 29 13 28.75 -06 40.7 31.864 32.153 105.7 1.7 23.4
2005 07 09 13 28.77 -06 40.5 32.027 32.152 96.2 1.8 23.4
2005 07 19 13 28.99 -06 41.4 32.193 32.151 86.7 1.8 23.4
2005 07 29 13 29.39 -06 43.4 32.358 32.149 77.3 1.8 23.4
2005 08 08 13 29.97 -06 46.5 32.516 32.148 67.9 1.7 23.4
2005 08 18 13 30.73 -06 50.5 32.664 32.146 58.5 1.5 23.4
2005 08 28 13 31.64 -06 55.4 32.797 32.145 49.1 1.4 23.4
2005 09 07 13 32.68 -07 01.0 32.913 32.144 39.7 1.1 23.4
2005 09 17 13 33.85 -07 07.2 33.006 32.142 30.3 0.9 23.4
2004 EJ96 a,e,i = 39.82, 0.24, 9 q = 30.201
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 03 31 12 35.95 -02 06.9 32.526 33.524 178.0 0.1 23.1
2005 04 10 12 35.02 -02 01.6 32.535 33.518 168.6 0.3 23.2
2005 04 20 12 34.14 -01 56.6 32.575 33.512 158.6 0.6 23.2
2005 04 30 12 33.32 -01 52.2 32.642 33.506 148.7 0.9 23.2
2005 05 10 12 32.60 -01 48.5 32.734 33.500 138.8 1.1 23.3
2005 05 20 12 32.01 -01 45.6 32.848 33.494 129.0 1.3 23.3
2005 05 30 12 31.57 -01 43.8 32.981 33.488 119.3 1.5 23.3
2005 06 09 12 31.28 -01 43.0 33.127 33.483 109.7 1.6 23.3
2005 06 19 12 31.17 -01 43.3 33.284 33.477 100.1 1.7 23.4
2005 06 29 12 31.24 -01 44.8 33.445 33.471 90.6 1.7 23.4
2005 07 09 12 31.49 -01 47.4 33.607 33.465 81.1 1.7 23.4
2005 07 19 12 31.91 -01 51.1 33.764 33.459 71.7 1.7 23.4
2005 07 29 12 32.49 -01 55.9 33.913 33.453 62.3 1.5 23.4
2005 08 08 12 33.23 -02 01.6 34.048 33.447 53.0 1.4 23.4
2005 08 18 12 34.10 -02 08.1 34.167 33.441 43.6 1.2 23.4
2005 08 28 12 35.10 -02 15.3 34.265 33.435 34.3 1.0 23.3
The 2:5 and 2:3 Neptune librators 2004 EG96 and 2004 EJ96 remain
more than 22 AU and 15 AU, respectively, from Neptune over a 14 000-year
period.
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-G07
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