MPEC 2005-N28 : COMET P/1998 W2 = 2005 N2 (HERGENROTHER)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2005-N27
Read MPEC 2005-N29
M.P.E.C. 2005-N28 Issued 2005 July 5, 19:20 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
COMET P/1998 W2 = 2005 N2 (HERGENROTHER)
Observations:
PK05N020 C2005 07 04.56048 22 32 02.20 -45 39 51.0 20.3 N EN028415
PK05N020 C2005 07 04.62014 22 32 04.02 -45 40 08.3 19.9 N EN028415
PK05N020 C2005 07 04.76756 22 32 08.20 -45 40 48.1 20.2 N EN028415
PK05N020 C2005 07 04.80266 22 32 09.20 -45 40 57.5 20.1 N EN028415
PK05N020 C2005 07 04.82724 22 32 09.85 -45 41 03.4 19.5 N EN028415
PK05N020 C2005 07 05.52458 22 32 32.35 -45 44 03.9 20.7 N EN028415
PK05N020 C2005 07 05.54041 22 32 32.92 -45 44 08.5 19.4 N EN028415
PK05N020 C2005 07 05.59826 22 32 34.44 -45 44 24.4 20.3 N EN028415
Observer details:
415 Kambah, near Canberra. Observer D. Herald. 0.36-m
f/3.9 Schmidt-Cassegrain + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
050704 415 0.16- 0.14- 050705 415 0.16- 0.14- 45658 +0.27 day
Orbital elements:
P/1998 W2 = 2005 N2 (Hergenrother)
Epoch 2005 Nov. 6.0 TT = JDT 2453680.5
T 2005 Nov. 2.48108 TT MPC
q 1.4257730 (2000.0) P Q
n 0.14235383 Peri. 13.87837 +0.98257480 -0.18447068
a 3.6326477 Node 356.50303 +0.11390893 +0.69434279
e 0.6075113 Incl. 21.89409 +0.14687245 +0.69559949
P 6.92
Residuals in seconds of arc
981121 703 0.2+ 1.5+ 981128 402 1.1+ 0.2+ 990113 360 0.5+ 0.0
981121 703 (2.6+ 2.2+) 981128 402 0.3- 0.7- 990114 693 0.7- 0.2-
981122 703 (4.5+ 0.6-) 981128 426 1.7+ 1.0- 990114 693 0.8- 0.4-
981122 703 (4.4+ 0.7-) 981128 426 0.9+ 0.8- 990114 693 0.4- 0.5-
981122 703 0.4+ 0.9+ 981128 426 0.1+ 0.3+ 990115 693 0.3+ 1.6-
981123 693 0.1- 0.6+ 981213 693 1.2- 0.1+ 990115 693 0.6+ 0.9-
981123 693 0.7- 0.5+ 981213 693 1.5- 0.2- 990115 693 0.3+ 1.1-
981123 693 0.6- 0.3+ 981216 402 (2.1+ 1.0+) 990213 693 0.0 1.0+
981123 693 0.3- 0.7+ 981216 402 0.3+ 0.5- 990213 693 0.3+ 0.4+
981123 691 0.0 0.2+ 981216 402 0.9- 0.3+ 990213 693 0.0 0.2-
981123 691 0.0 0.9+ 981216 402 1.3- 1.0- 990214 693 0.2- 0.7-
981123 360 0.2- 0.0 981217 402 0.4+ 0.3+ 990214 693 0.2+ 0.2+
981123 360 0.4- 0.3+ 981217 402 0.4+ 0.4- 990214 693 0.3+ 0.2-
981123 360 0.3+ 0.2+ 981217 402 0.4- 2.0- 990412 693 1.1+ 0.0
981124 691 0.2- 0.4+ 981219 691 0.8- 0.3- 990412 693 1.4+ 0.3-
981124 691 0.6- 0.1+ 981219 691 1.2- 0.8- 990415 693 (2.6+ 0.6-)
981124 691 0.1+ 0.8+ 981223 402 (2.1+ 0.1-) 990415 693 (3.2+ 0.2-)
981124 709 0.7+ 0.5+ 981223 402 0.7+ 1.4- 990415 693 (2.9+ 0.2-)
981124 709 0.0 0.4+ 981223 402 1.9+ 0.3+ 050704 415 0.4+ 0.4-
981124 709 0.4+ 0.5+ 981223 402 (2.3+ 0.5-) 050704 415 0.6+ 0.6-
981124 709 0.9- 0.2+ 981223 118 0.8+ 0.3+ 050704 415 0.3+ 0.3-
981124 709 0.1+ 0.5+ 981223 118 0.6+ 0.4- 050704 415 0.4+ 0.8-
981124 426 0.3- 1.3+ 981223 118 1.4+ 0.8+ 050704 415 0.1- 0.5-
981124 426 0.7- 0.5+ 990105 402 0.6- 0.4- 050705 415 0.3- 0.2-
981125 402 (0.2- 2.9-) 990105 402 1.8+ 0.3- 050705 415 0.8+ 0.2-
981125 402 1.0- 0.7- 990105 402 0.4- 0.3+ 050705 415 0.2- 0.7+
981125 402 0.1- 0.2- 990113 360 0.4- 0.0
981128 402 0.7+ 0.8+ 990113 360 1.0- 0.6-
Ephemeris:
P/1998 W2 = 2005 N2 (Hergenrother)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2005 06 29 22 28.39 -45 15.6 1.165 1.960 127.7 24.2 18.8
2005 07 09 22 34.01 -45 59.2 1.047 1.894 133.2 23.0 18.4
2005 07 19 22 35.03 -46 38.3 0.941 1.830 138.4 21.6 18.0
2005 07 29 22 30.67 -46 59.9 0.849 1.769 143.0 20.2 17.6
2005 08 08 22 20.62 -46 44.9 0.771 1.710 146.3 19.2 17.3
2005 08 18 22 05.94 -45 28.6 0.709 1.655 147.5 19.2 16.9
2005 08 28 21 49.27 -42 49.9 0.663 1.603 146.0 20.6 16.7
2005 09 07 21 34.10 -38 40.9 0.635 1.557 141.8 23.6 16.4
2005 09 17 21 23.49 -33 12.9 0.624 1.517 135.8 27.5 16.3
2005 09 27 21 18.81 -26 53.0 0.630 1.483 129.1 31.7 16.2
2005 10 07 21 20.07 -20 11.3 0.652 1.456 122.3 35.5 16.2
2005 10 17 21 26.58 -13 32.6 0.687 1.438 116.0 38.5 16.3
2005 10 27 21 37.37 -07 12.4 0.734 1.428 110.5 40.7 16.4
2005 11 06 21 51.65 -01 18.2 0.791 1.426 105.7 42.0 16.5
2005 11 16 22 08.75 +04 08.1 0.857 1.434 101.7 42.5 16.7
2005 11 26 22 28.16 +09 06.6 0.931 1.450 98.1 42.4 17.0
2005 12 06 22 49.53 +13 39.1 1.013 1.474 95.0 41.7 17.2
2005 12 16 23 12.58 +17 47.5 1.102 1.506 92.2 40.8 17.5
2005 12 26 23 37.06 +21 32.8 1.198 1.545 89.6 39.5 17.8
2006 01 05 00 02.81 +24 56.1 1.302 1.589 86.9 38.2 18.1
2006 01 15 00 29.64 +27 58.2 1.413 1.639 84.3 36.7 18.4
2006 01 25 00 57.35 +30 39.1 1.531 1.693 81.5 35.1 18.7
2006 02 04 01 25.78 +32 59.2 1.657 1.751 78.5 33.5 19.0
2006 02 14 01 54.71 +34 58.7 1.788 1.812 75.4 31.8 19.3
2006 02 24 02 23.94 +36 37.8 1.926 1.875 72.1 30.1 19.7
2006 03 06 02 53.27 +37 57.2 2.068 1.940 68.6 28.4 20.0
2006 03 16 03 22.47 +38 57.5 2.215 2.007 64.9 26.7 20.3
2006 03 26 03 51.34 +39 39.6 2.364 2.074 61.1 24.9 20.5
Brian G. Marsden (C) Copyright 2005 MPC M.P.E.C. 2005-N28
Read MPEC 2005-N27
Read MPEC 2005-N29
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)