MPEC 2017-V01 : A/2017 U1
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M.P.E.C. 2017-V01 Issued 2017 Nov. 1, 03:44 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
A/2017 U1
Observations:
AK17U010 KC2017 10 27.86779923 54 59.73 +05 03 13.8 22.0 GUEV001K93
AK17U010 KC2017 10 27.87412923 54 57.69 +05 03 15.7 22.4 GUEV001K93
AK17U010 KC2017 10 27.87503323 54 57.40 +05 03 16.3 22.1 GUEV001K93
AK17U010 KC2017 10 27.87684423 54 56.84 +05 03 16.9 21.9 GUEV001K93
AK17U010 $C2017 10 29.32845 23 48 10.61 +05 11 58.5 22.7 rtEV001705
AK17U010 $C2017 10 29.33510 23 48 08.89 +05 12 00.6 22.5 rtEV001705
AK17U010 $C2017 10 29.33730 23 48 08.23 +05 12 01.8 22.5 rtEV001705
AK17U010 KC2017 10 30.16920523 44 51.41 +05 16 34.4 22.7 GUEV001H01
AK17U010 KC2017 10 30.17456523 44 50.18 +05 16 36.2 22.4 GUEV001H01
AK17U010 KC2017 10 30.18717323 44 47.31 +05 16 40.0 22.7 GUEV001H01
Observer details:
705 Apache Point. Observers H. A. Weaver, B. T. Bolin, Y. R. Fernandez,
J. Moeyens, R. McMillan. Measurer B. T. Bolin. 3.5-m f/10 reflector
+ CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
K93 Sutherland-LCO C. Observers T. Lister, S. Greenstreet, E. Gomez,
J. Chatelain. Measurer T. Lister. 1.0-m f/8 Ritchey-Chretien + CCD.
Orbital elements:
A/2017 U1
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5
T 2017 Sept. 9.47633 TT MPCW
q 0.2546066 (2000.0) P Q
z -0.7761081 Peri. 241.57059 -0.63020700 +0.69273342
+/-0.0031946 Node 24.60235 +0.50822819 +0.70947978
e 1.1976023 Incl. 122.61848 -0.58697805 -0.12945599
From 101 observations 2017 Oct. 14-30, mean residual 0".4.
Residuals in seconds of arc
K17AE 703 0.2+ 1.2+ K17AO G96 0.3+ 0.1+ K17AQ K93 0.0 0.1+
K17AH 703 0.3+ 0.6- K17AO G96 0.5+ 0.3- K17AQ K93 0.2+ 0.5+
K17AI F51 0.1- 0.1+ K17AO G96 0.1- 0.0 K17AQ K93 0.2+ 0.7+
K17AI F51 0.1+ 0.2- K17AP 926 0.1+ 0.3- K17AQ K93 0.2- 0.2+
K17AJ F51 0.1- 0.1- K17AP 926 0.6+ 0.5+ K17AR 850 (3.6+ 0.5+)
K17AJ F51 0.3+ 0.2- K17AP 926 0.3+ 0.6- K17AR 850 (1.6+ 1.2+)
K17AJ F51 0.7- 0.1- K17AP V03 0.5+ 1.1+ K17AR 850 1.0+ 0.8-
K17AJ F51 0.4- 0.0 K17AP G96 0.4+ 0.2+ K17AR 850 0.4+ 0.4-
K17AJ 104 1.2+ 0.5- K17AP G96 0.6- 0.5+ K17AR 850 1.1+ 1.4+
K17AJ 246 0.1+ 0.3- K17AP V03 0.5- 0.2- K17AR 926 0.5- 0.6+
K17AJ 246 (1.8+ 0.3-) K17AP G96 (1.2- 1.5+) K17AR 926 0.1+ 0.6+
K17AJ 246 (2.0+ 0.5+) K17AP G96 (2.8- 2.8+) K17AR 926 0.0 0.2-
K17AJ 104 0.3+ 0.0 K17AP 104 0.9+ 0.0 K17AR J95 0.2- 0.1-
K17AJ 104 0.3+ 0.2+ K17AP 104 0.5+ 0.1- K17AR K93 0.3+ 0.5+
K17AJ J04 0.5+ 0.1- K17AP 104 0.3+ 0.2+ K17AR K93 0.2- 0.2-
K17AJ J04 0.4+ 0.1- K17AQ 675 0.0 0.1+ K17AR K93 0.3- 0.1+
K17AK I52 0.7+ 0.4- K17AQ 675 0.1- 0.1+ K17AR K93 0.1- 0.1-
K17AK I52 0.4+ 0.4- K17AQ 675 0.1+ 0.1- K17AR K91 0.0 0.2+
K17AK I52 0.3+ 0.6- K17AQ 675 0.1+ 0.2- K17AR K91 0.2+ 0.4+
K17AK I52 0.2+ 0.7- K17AQ V06 0.6- 0.4+ K17AR K91 0.5+ 0.2+
K17AL 291 0.1+ 0.1+ K17AQ V06 0.8- 0.5- K17AR J95 0.2- 0.3-
K17AL 291 0.0 0.1+ K17AQ V06 1.0+ 0.1- K17AS J95 0.2+ 0.4-
K17AL 291 0.2- 0.3+ K17AQ V06 0.1- 0.3- K17AS H01 0.2- 0.1+
K17AL 926 0.2- 0.1+ K17AQ 291 0.1- 0.3+ K17AS H01 0.2- 0.1-
K17AL 926 0.0 0.5+ K17AQ 291 0.1- 0.0 K17AS H01 0.1+ 0.1-
K17AL 926 0.1+ 0.0 K17AQ 291 0.2- 0.0 K17AS H01 0.1- 0.0
K17AM H06 0.1+ 0.4+ K17AQ 926 1.0- 0.8- K17AT H01 0.1- 0.1+
K17AM H06 0.2- 0.2+ K17AQ 926 0.6- 0.6- K17AT H01 0.1- 0.1-
K17AM H06 0.0 0.2+ K17AQ 926 0.1- 0.0 K17AT H01 0.1+ 0.1-
K17AM Q62 (0.3+ 1.5+) K17AQ 926 0.5- 0.1- K17AT H01 0.1- 0.1-
K17AM Q62 1.4+ 1.0+ K17AQ 926 0.2- 0.3- K17AT 705 1.1+ 0.1-
K17AM Q62 1.1+ 0.9+ K17AQ 926 0.2+ 0.0 K17AT 705 0.7+ 0.2-
K17AN 734 0.2- 0.2- K17AQ 926 0.1- 0.1- K17AT 705 0.8- 0.3+
K17AN 734 0.2- 0.5- K17AQ 204 0.5+ 0.0 K17AU H01 0.1- 0.2-
K17AN 734 0.2- 1.0- K17AQ 204 0.1- 0.2+ K17AU H01 0.1- 0.1-
K17AO G96 0.7- 0.0 K17AQ 204 0.4- 0.3- K17AU H01 0.2+ 0.2-
Ephemeris:
A/2017 U1
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2017 10 02 09 16 04.3 -06 18 51 0.4666 0.7782 48.9 104.2 20.8
...
2017 10 17 02 51 11.5 +00 42 52 0.1796 1.1646 157.5 19.1 19.6
...
2017 10 25 00 13 40.3 +04 38 56 0.3958 1.3597 153.3 19.2 21.7
...
2017 10 31 23 41 55.1 +05 20 53 0.5991 1.5020 140.0 25.1 22.8
2017 11 01 23 38 46.6 +05 25 32 0.6341 1.5254 138.3 25.7 22.9
2017 11 02 23 36 00.8 +05 29 51 0.6693 1.5487 136.7 26.1 23.1
...
2017 11 08 23 24 56.8 +05 51 32 0.8839 1.6871 128.2 27.5 23.9
...
2017 11 16 23 18 32.8 +06 16 24 1.1768 1.8678 118.9 27.6 24.7
...
2017 12 01 23 17 30.2 +07 05 03 1.7379 2.1967 104.1 25.8 25.9
(Last issue was M.P.E.C. 2017-U310)
Gareth V. Williams (C) Copyright 2017 MPC M.P.E.C. 2017-V01
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