MPEC 2017-B29 : 2017 AP20
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M.P.E.C. 2017-B29 Issued 2017 Jan. 21, 19:28 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
2017 AP20
Observations:
K17A20P* S2017 01 14.70578 14 15 21.68 +14 43 43.3 19 RLEB029C51
K17A20P s2017 01 14.70578 1 - 4881.5154 - 4645.6408 + 1284.8392 EB029C51
K17A20P S2017 01 14.83668 14 15 18.52 +14 45 14.0 LEB029C51
K17A20P s2017 01 14.83668 1 - 4858.7973 - 4654.9546 + 1335.8729 EB029C51
K17A20P S2017 01 14.96771 14 15 15.39 +14 46 46.1 LEB029C51
K17A20P s2017 01 14.96771 1 - 4855.4101 - 4667.2497 + 1305.2644 EB029C51
K17A20P S2017 01 15.03316 14 15 13.77 +14 47 31.8 LEB029C51
K17A20P s2017 01 15.03316 1 - 4844.0243 - 4671.8439 + 1330.7372 EB029C51
K17A20P S2017 01 15.09862 14 15 12.18 +14 48 16.9 LEB029C51
K17A20P s2017 01 15.09862 1 - 4832.5582 - 4676.3441 + 1356.1866 EB029C51
K17A20P S2017 01 15.09874 14 15 12.27 +14 48 17.0 LEB029C51
K17A20P s2017 01 15.09874 1 - 4851.8931 - 4679.4564 + 1274.6202 EB029C51
K17A20P S2017 01 15.16419 14 15 10.56 +14 49 03.0 LEB029C51
K17A20P s2017 01 15.16419 1 - 4840.5818 - 4684.1146 + 1300.1106 EB029C51
K17A20P S2017 01 15.22965 14 15 08.93 +14 49 49.0 LEB029C51
K17A20P s2017 01 15.22965 1 - 4829.1766 - 4688.6782 + 1325.6375 EB029C51
K17A20P S2017 01 15.29510 14 15 07.25 +14 50 33.9 LEB029C51
K17A20P s2017 01 15.29510 1 - 4817.7095 - 4693.1569 + 1351.1079 EB029C51
K17A20P S2017 01 15.29523 14 15 07.28 +14 50 34.9 LEB029C51
K17A20P s2017 01 15.29523 1 - 4836.9961 - 4696.2930 + 1269.4992 EB029C51
K17A20P S2017 01 15.42613 14 15 03.96 +14 52 05.7 LEB029C51
K17A20P s2017 01 15.42613 1 - 4814.2712 - 4705.4649 + 1320.5353 EB029C51
K17A20P KC2017 01 18.25579 14 13 43.22 +15 25 35.1 18.9 RqEB029J22
K17A20P KC2017 01 18.26056 14 13 43.03 +15 25 38.4 18.5 RqEB029J22
K17A20P KC2017 01 18.26534 14 13 42.80 +15 25 42.2 18.8 RqEB029J22
K17A20P KC2017 01 19.24011814 13 10.32 +15 37 30.8 19.2 VqEB029Z21
K17A20P KC2017 01 19.24742514 13 10.02 +15 37 36.1 19.3 VqEB029Z21
K17A20P KC2017 01 19.25570714 13 09.69 +15 37 42.4 19.4 VqEB029Z21
K17A20P KC2017 01 20.14245 14 12 37.89 +15 48 28.5 qEB029J95
K17A20P KC2017 01 20.14540 14 12 37.75 +15 48 30.3 qEB029J95
K17A20P KC2017 01 20.14848 14 12 37.67 +15 48 32.8 18.7 RqEB029J95
K17A20P KC2017 01 20.15190 14 12 37.35 +15 48 36.8 18.5 RoEB029K88
K17A20P KC2017 01 20.15698 14 12 37.15 +15 48 40.7 18.8 RoEB029K88
K17A20P KC2017 01 20.15860 14 12 37.20 +15 48 41.6 18.6 GUEB029K38
K17A20P KC2017 01 20.16207 14 12 36.93 +15 48 44.3 18.5 RoEB029K88
K17A20P KC2017 01 20.17635 14 12 36.50 +15 48 55.0 19.0 GUEB029K38
K17A20P KC2017 01 20.20285714 12 35.74 +15 49 18.2 19.2 VqEB029Z21
K17A20P KC2017 01 20.20698814 12 35.57 +15 49 21.2 19.4 VqEB029Z21
K17A20P KC2017 01 20.21111514 12 35.41 +15 49 24.1 19.1 VqEB029Z21
K17A20P KC2017 01 20.21524314 12 35.23 +15 49 27.4 19.3 VqEB029Z21
K17A20P KC2017 01 20.21938614 12 35.04 +15 49 30.5 19.2 VqEB029Z21
K17A20P KC2017 01 20.22349914 12 34.87 +15 49 33.6 19.4 VqEB029Z21
K17A20P KC2017 01 20.22764314 12 34.70 +15 49 36.6 19.3 VqEB029Z21
K17A20P KC2017 01 20.23177514 12 34.54 +15 49 39.8 19.3 VqEB029Z21
K17A20P KC2017 01 20.23696414 12 34.30 +15 49 43.6 19.4 VqEB029Z21
K17A20P |C2017 01 21.72654 14 11 35.59 +16 08 27.5 18.8 RoEB029Q62
K17A20P |C2017 01 21.73588 14 11 35.23 +16 08 34.3 18.9 RoEB029Q62
Observer details:
C51 WISE. Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero,
J. W. Dailey, R. M. Cutri, E. L. Wright, C. Nugent, S. Sonnett, E. Kramer.
J22 Tacande Observatory, La Palma. Observer K. Hills. 0.5-m f/2.9 astrograph
+ CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.30-m f/8 Ritchey-Chretien
+ CCD.
K88 GINOP-KHK, Piszkesteto. Observer A. Sodor. Measurer K. Sarneczky.
0.60-m Schmidt + CCD.
Q62 iTelescope Observatory, Siding Spring. Observers S. Foglia, L. Buzzi,
P. Concari, C. Cremaschini, G. Galli, M. Tombelli. 0.15-m f/7 refractor
+ CCD.
Z21 Tenerife-LCOGT Aqawan A #1. Observers T. Lister, S. Greenstreet, E. Gomez.
Measurer T. Lister. 0.4-m f/8 Ritchey-Chretien + CCD.
Orbital elements:
2017 AP20 Earth MOID = 0.2246 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 18.39288 (2000.0) P Q
n 0.20956053 Peri. 2.21955 +0.53141484 -0.82310029
a 2.8071334 Node 55.74384 +0.77342953 +0.37500654
e 0.7555383 Incl. 14.02177 +0.34555032 +0.42646923
P 4.70 H 17.8 G 0.15 U 7
Residuals in seconds of arc
170114 C51 0.2- 0.2+ 170118 J22 0.0 0.4- 170120 K38 0.4+ 0.1-
170114 C51 0.5- 0.2- 170118 J22 0.8- 0.1- 170120 Z21 0.0 0.2+
170114 C51 0.1+ 0.5+ 170119 Z21 0.3+ 0.0 170120 Z21 0.0 0.1+
170115 C51 0.2- 0.5+ 170119 Z21 0.1+ 0.1- 170120 Z21 0.2+ 0.1-
170115 C51 0.1+ 0.0 170119 Z21 0.1+ 0.1+ 170120 Z21 0.1+ 0.1+
170115 C51 1.5+ 0.2- 170120 J95 0.1- 0.1+ 170120 Z21 0.1- 0.1+
170115 C51 0.2+ 0.1+ 170120 J95 0.4- 0.3- 170120 Z21 0.1- 0.1+
170115 C51 0.2+ 0.4+ 170120 J95 0.2+ 0.1- 170120 Z21 0.0 0.0
170115 C51 0.4- 0.5- 170120 K88 0.1+ 0.2+ 170120 Z21 0.2+ 0.1+
170115 C51 0.0 0.3+ 170120 K88 0.2+ 0.3+ 170120 Z21 0.1- 0.0
170115 C51 0.2- 0.5- 170120 K38 0.0 0.3- 170121 Q62 0.0 0.6+
170118 J22 0.2+ 0.3- 170120 K88 0.1+ 0.2+ 170121 Q62 1.0+ 0.2+
Ephemeris:
2017 AP20 a,e,i = 2.81, 0.76, 14 q = 0.6862
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 12 22 14 20 06.3 +09 51 12 0.5004 0.8825 63.5 86.0 19.0
...
2017 01 06 14 17 40.2 +13 05 18 0.5883 1.0492 79.4 67.1 19.1
...
2017 01 14 14 15 38.1 +14 35 32 0.6208 1.1431 87.8 59.3 19.2
...
2017 01 20 14 12 42.8 +15 46 51 0.6402 1.2141 94.4 53.9 19.2
2017 01 21 14 12 04.6 +15 59 13 0.6431 1.2259 95.5 53.0 19.2
2017 01 22 14 11 23.6 +16 11 43 0.6459 1.2377 96.6 52.2 19.2
...
2017 01 28 14 06 13.9 +17 29 40 0.6615 1.3086 103.5 47.0 19.3
...
2017 02 05 13 56 16.2 +19 19 17 0.6814 1.4023 113.2 40.2 19.3
...
2017 02 20 13 28 09.8 +22 36 20 0.7293 1.5741 132.2 27.7 19.3
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-B29
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