MPEC 2017-U80 : 2017 UN1
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M.P.E.C. 2017-U80 Issued 2017 Oct. 19, 16:47 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 UN1
Observations:
K17U01N* C2017 10 17.25709 01 06 27.52 -06 28 34.7 21.5 GUEU080G96
K17U01N C2017 10 17.26244 01 06 24.63 -06 28 24.0 20.4 GUEU080G96
K17U01N C2017 10 17.26763 01 06 21.81 -06 28 14.5 21.1 GUEU080G96
K17U01N C2017 10 17.27297 01 06 19.00 -06 28 04.3 20.4 GUEU080G96
K17U01N C2017 10 17.34338 01 05 41.55 -06 25 47.4 20.6 GUEU080I52
K17U01N C2017 10 17.34556 01 05 40.42 -06 25 43.2 20.0 GUEU080I52
K17U01N C2017 10 17.34972 01 05 38.23 -06 25 35.1 20.0 GUEU080I52
K17U01N KC2017 10 18.24017900 58 42.29 -05 58 20.7 21.2 VuEU080H21
K17U01N KC2017 10 18.24341 00 58 41.44 -05 58 14.7 20.7 RqEU080H36
K17U01N KC2017 10 18.24859600 58 38.38 -05 58 05.8 21.0 VuEU080H21
K17U01N KC2017 10 18.25823900 58 33.88 -05 57 48.6 21.2 VuEU080H21
K17U01N KC2017 10 18.26920 00 58 30.50 -05 57 21.5 19.7 RoEU080291
K17U01N KC2017 10 18.27144 00 58 29.48 -05 57 17.2 19.8 RoEU080291
K17U01N KC2017 10 18.27369 00 58 28.42 -05 57 13.5 19.7 RoEU080291
K17U01N KC2017 10 18.27500 00 58 26.69 -05 57 18.9 20.8 RqEU080H36
K17U01N KC2017 10 18.52180 00 56 40.63 -05 48 23.3 21.2 RUEU080474
K17U01N KC2017 10 18.52420 00 56 39.59 -05 48 19.6 21.5 RUEU080474
K17U01N KC2017 10 18.52660 00 56 38.53 -05 48 15.4 20.5 RUEU080474
K17U01N KC2017 10 18.52900 00 56 37.43 -05 48 11.6 20.6 RUEU080474
K17U01N KC2017 10 18.88682 00 54 11.54 -05 39 58.2 21.2 UEU080104
K17U01N KC2017 10 18.89255 00 54 09.13 -05 39 48.6 21.1 UEU080104
K17U01N KC2017 10 18.90038 00 54 05.74 -05 39 35.7 21.1 UEU080104
K17U01N KC2017 10 19.28918 00 51 31.77 -05 28 50.6 19.9 RoEU080291
K17U01N KC2017 10 19.29322 00 51 30.11 -05 28 44.6 20.2 RoEU080291
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. G. Matheny.
Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
Orbital elements:
2017 UN1 Earth MOID = 0.0316 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 45.89267 (2000.0) P Q
n 1.18528069 Peri. 201.49851 -0.48651680 +0.87255456
a 0.8842775 Node 39.42653 -0.79110076 -0.41852431
e 0.4678331 Incl. 3.98703 -0.37075732 -0.25196415
P 0.83 H 24.8 G 0.15 U 9
Residuals in seconds of arc
171017 G96 0.4+ 0.1+ 171018 H36 1.1+ 0.3- 171018 474 0.1+ 0.1-
171017 G96 0.0 0.5+ 171018 H21 0.0 0.0 171018 474 0.3+ 0.1-
171017 G96 0.6- 0.1- 171018 H21 0.2- 0.1+ 171018 474 0.1- 0.4-
171017 G96 0.1+ 0.3- 171018 291 0.6- 0.1+ 171018 104 0.6+ 0.3-
171017 I52 0.1- 0.2- 171018 291 0.2- 0.5+ 171018 104 1.1+ 0.1-
171017 I52 0.2+ 0.2- 171018 291 0.3- 0.2+ 171018 104 0.4+ 0.2-
171017 I52 0.2+ 0.2- 171018 H36 0.6+ 0.4- 171019 291 0.2- 0.3+
171018 H21 0.3- 0.0 171018 474 0.4- 0.3+ 171019 291 0.3- 0.2-
Ephemeris:
2017 UN1 a,e,i = 0.88, 0.47, 4 q = 0.4706
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 09 19 09 54 54.4 -05 30 09 0.1357 0.8877 28.5 147.3 28.2
...
2017 10 04 06 15 44.1 -14 19 26 0.05095 1.0058 94.7 82.4 21.2
...
2017 10 12 02 13 35.2 -10 11 25 0.06771 1.0604 156.2 22.3 20.2
...
2017 10 18 01 00 31.0 -06 04 32 0.1054 1.0975 162.7 15.7 21.0
2017 10 19 00 53 25.4 -05 35 53 0.1125 1.1033 161.4 16.7 21.2
2017 10 20 00 47 13.0 -05 09 48 0.1197 1.1091 160.0 17.9 21.3
...
2017 10 26 00 22 38.4 -03 10 41 0.1656 1.1418 151.0 25.0 22.3
...
2017 11 03 00 08 15.4 -01 24 12 0.2315 1.1804 140.8 32.1 23.3
...
2017 11 18 00 04 12.4 +01 05 19 0.3646 1.2377 125.8 40.4 24.7
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-U80
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