M.P.E.C. 2015-K132 Issued 2015 May 28, 17:50 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 http://www.minorplanetcenter.net/ ISSN 1523-6714
COMET 51P/HARRINGTON
Observations:
0051P KC2015 05 06.33189 22 24 46.01 -13 32 48.1 18.4 NqEK132W96
0051P KC2015 05 06.34493 22 24 47.85 -13 32 40.5 18.9 NqEK132W96
0051P C2015 05 28.32434 23 14 48.84 -09 40 02.8 16.5 NqEK132W96
0051P C2015 05 28.33864 23 14 50.82 -09 39 53.3 16.6 NqEK132W96
0051P C2015 05 28.35607 23 14 53.10 -09 39 42.3 16.4 NqEK132W96
0051P C2015 05 28.37111 23 14 55.14 -09 39 32.4 16.7 NqEK132W96
0051P C2015 05 28.38523 23 14 56.98 -09 39 24.1 16.6 NqEK132W96
Observer details:
W96 CAO, San Pedro de Atacama (since 2013). Observers A. Maury, J.-G. Bosch,
J.-F. Soulier. Measurers J.-G. Bosch, J.-F. Soulier. 0.4-m f/8
Ritchey-Chretien + CCD.
Orbital elements:
51P/Harrington
Epoch 2001 June 20.0 TT = JDT 2452080.5
T 2001 June 5.72883 TT MPCW
q 1.5681029 (2000.0) P Q
n 0.14560156 Peri. 233.59362 +0.98405793 +0.11986160
a 3.5784259 Node 119.18157 -0.07130729 +0.94270215
e 0.5617897 Incl. 8.65531 -0.16292719 +0.31136129
P 6.77
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
Nongravitational parameters A1 = +2.92, A2 = +0.4170.
51P/Harrington
Epoch 2008 June 23.0 TT = JDT 2454640.5
T 2008 June 18.39955 TT MPCW
q 1.6878329 (2000.0) P Q
n 0.13829374 Peri. 269.17178 +0.98797593 +0.12271705
a 3.7034035 Node 83.77556 -0.07457766 +0.91109052
e 0.5442482 Incl. 5.42834 -0.13543170 +0.39351568
P 7.13
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
Nongravitational parameters A1 = +2.92, A2 = +0.4170.
51P/Harrington
Epoch 2015 Aug. 6.0 TT = JDT 2457240.5
T 2015 Aug. 12.70105 TT MPCW
q 1.6996358 (2000.0) P Q
n 0.13766760 Peri. 269.29124 +0.98806234 +0.12208625
a 3.7146243 Node 83.69306 -0.07401285 +0.91108333
e 0.5424474 Incl. 5.42417 -0.13511075 +0.39372849
P 7.16
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
Nongravitational parameters A1 = +2.92, A2 = +0.4170.
51P/Harrington
Epoch 2022 Sept. 18.0 TT = JDT 2459840.5
T 2022 Oct. 3.92416 TT MPCW
q 1.6926468 (2000.0) P Q
n 0.13794281 Peri. 269.25705 +0.98794172 +0.12304182
a 3.7096818 Node 83.67193 -0.07488029 +0.91099756
e 0.5437218 Incl. 5.42566 -0.13551421 +0.39362947
P 7.15
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
Nongravitational parameters A1 = +2.92, A2 = +0.4170.
51P/Harrington
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2015 Aug. 12.70721 TT MPCW
q 1.6996266 (2000.0) P Q
n 0.13766923 Peri. 269.29418 +0.98806965 +0.12202682
a 3.7145949 Node 83.69357 -0.07395803 +0.91108811
e 0.5424463 Incl. 5.42418 -0.13508730 +0.39373585
P 7.16
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
Nongravitational parameters A1 = +2.92, A2 = +0.4170.
Ephemeris:
51P/Harrington
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2015 04 28 22 05 41.8 -14 55 55 2.0999 1.9776 69.0 28.4 17.5 22.3
...
2015 05 13 22 39 50.8 -12 24 37 1.9067 1.9115 74.9 30.7 17.0 22.1
...
2015 05 21 22 58 03.3 -10 59 51 1.8081 1.8788 78.0 31.8 16.8 22.0
...
2015 05 27 23 11 41.0 -09 55 10 1.7366 1.8558 80.2 32.5 16.6 21.9
2015 05 28 23 13 57.0 -09 44 19 1.7249 1.8521 80.6 32.7 16.5 21.9
2015 05 29 23 16 13.1 -09 33 28 1.7133 1.8484 81.0 32.8 16.5 21.9
...
2015 06 04 23 29 47.6 -08 28 10 1.6448 1.8270 83.2 33.5 16.3 21.8
...
2015 06 12 23 47 47.8 -07 01 20 1.5571 1.8007 86.1 34.2 16.1 21.7
...
2015 06 27 00 20 58.9 -04 23 22 1.4041 1.7588 91.8 35.3 15.6 21.4
Gareth V. Williams (C) Copyright 2015 MPC M.P.E.C. 2015-K132
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 http://www.minorplanetcenter.net/ ISSN 1523-6714
COMET 51P/HARRINGTON
Observations:
0051P KC2015 05 06.33189 22 24 46.01 -13 32 48.1 18.4 NqEK132W96
0051P KC2015 05 06.34493 22 24 47.85 -13 32 40.5 18.9 NqEK132W96
0051P C2015 05 28.32434 23 14 48.84 -09 40 02.8 16.5 NqEK132W96
0051P C2015 05 28.33864 23 14 50.82 -09 39 53.3 16.6 NqEK132W96
0051P C2015 05 28.35607 23 14 53.10 -09 39 42.3 16.4 NqEK132W96
0051P C2015 05 28.37111 23 14 55.14 -09 39 32.4 16.7 NqEK132W96
0051P C2015 05 28.38523 23 14 56.98 -09 39 24.1 16.6 NqEK132W96
Observer details:
W96 CAO, San Pedro de Atacama (since 2013). Observers A. Maury, J.-G. Bosch,
J.-F. Soulier. Measurers J.-G. Bosch, J.-F. Soulier. 0.4-m f/8
Ritchey-Chretien + CCD.
Orbital elements:
51P/Harrington
Epoch 2001 June 20.0 TT = JDT 2452080.5
T 2001 June 5.72883 TT MPCW
q 1.5681029 (2000.0) P Q
n 0.14560156 Peri. 233.59362 +0.98405793 +0.11986160
a 3.5784259 Node 119.18157 -0.07130729 +0.94270215
e 0.5617897 Incl. 8.65531 -0.16292719 +0.31136129
P 6.77
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
Nongravitational parameters A1 = +2.92, A2 = +0.4170.
51P/Harrington
Epoch 2008 June 23.0 TT = JDT 2454640.5
T 2008 June 18.39955 TT MPCW
q 1.6878329 (2000.0) P Q
n 0.13829374 Peri. 269.17178 +0.98797593 +0.12271705
a 3.7034035 Node 83.77556 -0.07457766 +0.91109052
e 0.5442482 Incl. 5.42834 -0.13543170 +0.39351568
P 7.13
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
Nongravitational parameters A1 = +2.92, A2 = +0.4170.
51P/Harrington
Epoch 2015 Aug. 6.0 TT = JDT 2457240.5
T 2015 Aug. 12.70105 TT MPCW
q 1.6996358 (2000.0) P Q
n 0.13766760 Peri. 269.29124 +0.98806234 +0.12208625
a 3.7146243 Node 83.69306 -0.07401285 +0.91108333
e 0.5424474 Incl. 5.42417 -0.13511075 +0.39372849
P 7.16
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
Nongravitational parameters A1 = +2.92, A2 = +0.4170.
51P/Harrington
Epoch 2022 Sept. 18.0 TT = JDT 2459840.5
T 2022 Oct. 3.92416 TT MPCW
q 1.6926468 (2000.0) P Q
n 0.13794281 Peri. 269.25705 +0.98794172 +0.12304182
a 3.7096818 Node 83.67193 -0.07488029 +0.91099756
e 0.5437218 Incl. 5.42566 -0.13551421 +0.39362947
P 7.15
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
Nongravitational parameters A1 = +2.92, A2 = +0.4170.
51P/Harrington
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2015 Aug. 12.70721 TT MPCW
q 1.6996266 (2000.0) P Q
n 0.13766923 Peri. 269.29418 +0.98806965 +0.12202682
a 3.7145949 Node 83.69357 -0.07395803 +0.91108811
e 0.5424463 Incl. 5.42418 -0.13508730 +0.39373585
P 7.16
From 718 observations 2001 Aug. 27-2015 May 28, mean residual 0".8.
Nongravitational parameters A1 = +2.92, A2 = +0.4170.
Ephemeris:
51P/Harrington
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2015 04 28 22 05 41.8 -14 55 55 2.0999 1.9776 69.0 28.4 17.5 22.3
...
2015 05 13 22 39 50.8 -12 24 37 1.9067 1.9115 74.9 30.7 17.0 22.1
...
2015 05 21 22 58 03.3 -10 59 51 1.8081 1.8788 78.0 31.8 16.8 22.0
...
2015 05 27 23 11 41.0 -09 55 10 1.7366 1.8558 80.2 32.5 16.6 21.9
2015 05 28 23 13 57.0 -09 44 19 1.7249 1.8521 80.6 32.7 16.5 21.9
2015 05 29 23 16 13.1 -09 33 28 1.7133 1.8484 81.0 32.8 16.5 21.9
...
2015 06 04 23 29 47.6 -08 28 10 1.6448 1.8270 83.2 33.5 16.3 21.8
...
2015 06 12 23 47 47.8 -07 01 20 1.5571 1.8007 86.1 34.2 16.1 21.7
...
2015 06 27 00 20 58.9 -04 23 22 1.4041 1.7588 91.8 35.3 15.6 21.4
Gareth V. Williams (C) Copyright 2015 MPC M.P.E.C. 2015-K132