MPEC 2015-Y39 : 2015 YA1
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M.P.E.C. 2015-Y39 Issued 2015 Dec. 19, 14:15 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
2015 YA1
Observations:
K15Y01A* C2015 12 16.95337 04 45 01.24 +27 59 56.3 18.3 RrEY039106
K15Y01A C2015 12 16.96327 04 45 01.31 +27 58 30.9 18.2 RrEY039106
K15Y01A C2015 12 16.97318 04 45 01.31 +27 57 05.9 18.1 RrEY039106
K15Y01A C2015 12 17.90795 04 45 55.11 +25 51 11.2 18.9 RrEY039106
K15Y01A C2015 12 17.90889 04 45 55.07 +25 51 03.4 18.7 RrEY039106
K15Y01A C2015 12 17.90935 04 45 55.07 +25 51 00.6 18.8 RrEY039106
K15Y01A C2015 12 17.90982 04 45 55.06 +25 50 56.1 18.9 RrEY039106
K15Y01A C2015 12 17.91170 04 45 55.09 +25 50 41.8 19.1 RrEY039106
K15Y01A C2015 12 17.91263 04 45 55.11 +25 50 34.8 19.0 RrEY039106
K15Y01A C2015 12 17.91357 04 45 55.09 +25 50 26.9 18.8 RrEY039106
K15Y01A C2015 12 17.91450 04 45 55.18 +25 50 20.7 18.7 RrEY039106
K15Y01A C2015 12 17.91544 04 45 55.10 +25 50 13.7 18.4 RrEY039106
K15Y01A C2015 12 17.91638 04 45 55.12 +25 50 06.0 18.4 RrEY039106
K15Y01A C2015 12 17.91731 04 45 55.10 +25 49 59.5 18.2 RrEY039106
K15Y01A C2015 12 17.91825 04 45 55.16 +25 49 51.7 18.2 RrEY039106
K15Y01A C2015 12 17.91918 04 45 55.10 +25 49 44.3 18.7 RrEY039106
K15Y01A C2015 12 17.92012 04 45 55.09 +25 49 38.5 18.8 RrEY039106
K15Y01A C2015 12 17.92106 04 45 55.12 +25 49 30.5 19.1 RrEY039106
K15Y01A C2015 12 17.92246 04 45 55.14 +25 49 20.6 18.0 RrEY039106
K15Y01A C2015 12 17.92340 04 45 55.16 +25 49 12.8 18.8 RrEY039106
K15Y01A C2015 12 18.66531 04 46 28.09 +24 19 18.3 19.3 RoEY039300
K15Y01A C2015 12 18.66762 04 46 28.01 +24 19 03.9 19.0 RoEY039300
K15Y01A C2015 12 18.66993 04 46 28.03 +24 18 45.7 19.1 RoEY039300
K15Y01A C2015 12 18.67275 04 46 28.04 +24 18 26.4 19.4 RoEY039300
K15Y01A C2015 12 19.00053 04 46 44.53 +23 40 35.3 18.6 RrEY039106
K15Y01A C2015 12 19.00100 04 46 44.54 +23 40 31.5 18.6 RrEY039106
K15Y01A C2015 12 19.00147 04 46 44.54 +23 40 28.7 18.7 RrEY039106
K15Y01A C2015 12 19.00287 04 46 44.54 +23 40 18.2 19.0 RrEY039106
K15Y01A C2015 12 19.00428 04 46 44.51 +23 40 10.5 18.4 RrEY039106
K15Y01A C2015 12 19.00475 04 46 44.62 +23 40 06.5 18.7 RrEY039106
K15Y01A C2015 12 19.00521 04 46 44.56 +23 40 03.6 18.7 RrEY039106
K15Y01A C2015 12 19.00568 04 46 44.59 +23 40 00.2 18.5 RrEY039106
K15Y01A C2015 12 19.00615 04 46 44.57 +23 39 57.1 19.1 RrEY039106
K15Y01A C2015 12 19.00662 04 46 44.60 +23 39 54.2 18.6 RrEY039106
K15Y01A C2015 12 19.00943 04 46 44.64 +23 39 34.4 18.6 RrEY039106
K15Y01A 3C2015 12 19.05820 04 46 47.70 +23 34 54.2 18.7 VSEY039G40
K15Y01A 3C2015 12 19.07660 04 46 47.59 +23 32 49.1 19.1 VSEY039G40
K15Y01A C2015 12 19.16534 04 47 00.96 +23 22 47.5 19.2 VqEY039G96
K15Y01A C2015 12 19.16993 04 47 01.00 +23 22 18.3 19.2 VqEY039G96
K15Y01A C2015 12 19.17451 04 47 00.99 +23 21 48.2 19.0 VqEY039G96
K15Y01A C2015 12 19.17910 04 47 00.94 +23 21 18.9 qEY039G96
K15Y01A C2015 12 19.18443 04 47 00.99 +23 20 47.3 19.4 RoEY039926
K15Y01A C2015 12 19.19006 04 47 01.00 +23 20 11.0 19.5 RoEY039926
K15Y01A C2015 12 19.19608 04 47 00.94 +23 19 32.2 19.4 RoEY039926
Observer details:
106 Crni Vrh. Observers S. Maticic, J. Vales, H. Mikuz. Measurers B. Mikuz,
S. Maticic. 0.6-m f/3.3 Deltagraph + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers S. Okumura, T. Fujiwara.
1.0-m f/3.0 reflector + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
G40 Slooh.com Canary Islands Observatory. Observer A. J. Evans. 0.5-m f/6.8
Corrected Dall-Kirkham + 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 + CCD.
Orbital elements:
2015 YA1 Earth MOID = 0.0017 AU
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5 MPC
M 93.84157 (2000.0) P Q
n 0.88969598 Peri. 86.27219 +0.98528170 +0.12705465
a 1.0706355 Node 266.40370 -0.16206541 +0.90705755
e 0.1873856 Incl. 6.57945 +0.05435793 +0.40137727
P 1.11 H 24.5 G 0.15 U 7
Residuals in seconds of arc
151216 106 0.5+ 0.3- 151217 106 0.4- 0.7- 151219 106 0.2- 0.3+
151216 106 0.8+ 0.1- 151217 106 0.6- 0.7+ 151219 106 0.2+ 0.1+
151216 106 0.1+ 0.6+ 151217 106 0.2- 0.2- 151219 106 0.2- 0.2+
151217 106 0.0 0.6+ 151217 106 0.1+ 0.6+ 151219 106 0.2+ 0.5+
151217 106 0.6- 0.1- 151217 106 0.3+ 0.0 151219 106 0.4+ 0.0
151217 106 0.6- 0.6+ 151218 300 0.9+ 0.4- 151219 G40 0.3- 0.0
151217 106 0.7- 0.3- 151218 300 (0.2- 1.7+) 151219 G40 0.2- 0.1-
151217 106 0.4- 0.2- 151218 300 0.0 0.0 151219 G96 0.1+ 0.1+
151217 106 0.1- 0.2- 151218 300 0.2+ 0.8+ 151219 G96 0.6+ 0.3+
151217 106 0.4- 0.9- 151219 106 0.1- 0.1- 151219 G96 0.5+ 0.4-
151217 106 0.8+ 0.0 151219 106 0.0 0.6- 151219 G96 0.1- 0.2-
151217 106 0.3- 0.2+ 151219 106 0.1- 0.2- 151219 926 0.1- 0.2+
151217 106 0.1- 0.4- 151219 106 0.2- 1.1- 151219 926 0.3+ 0.1+
151217 106 0.4- 0.2+ 151219 106 0.8- 0.8+ 151219 926 0.2- 0.1+
151217 106 0.4+ 0.4- 151219 106 0.7+ 0.0
Ephemeris:
2015 YA1 a,e,i = 1.07, 0.19, 7 q = 0.8700
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 11 19 17 01 43.9 +32 10 58 0.06874 0.9512 55.5 121.1 23.5
...
2015 12 04 19 47 31.8 +84 37 43 0.03145 0.9961 108.4 69.9 19.4
...
2015 12 12 04 37 57.9 +44 16 34 0.03952 1.0213 157.5 21.7 18.6
...
2015 12 18 04 45 59.2 +25 40 30 0.05761 1.0403 167.4 11.9 19.1
2015 12 19 04 46 48.1 +23 41 44 0.06111 1.0435 166.7 12.5 19.3
2015 12 20 04 47 33.4 +21 56 00 0.06470 1.0467 165.7 13.4 19.4
...
2015 12 26 04 51 26.9 +14 36 16 0.08788 1.0656 158.2 20.0 20.4
...
2016 01 03 04 56 24.8 +09 43 41 0.1221 1.0903 149.5 27.2 21.3
...
2016 01 18 05 08 50.4 +06 40 43 0.1948 1.1342 137.1 36.2 22.7
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-Y39
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