MPEC 2018-X69 : 2001 WO15
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M.P.E.C. 2018-X69 Issued 2018 Dec. 11, 03:55 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
2001 WO15
Revision to MPEC 2001-W67
Additional Observations:
K01W15O C2018 12 08.56392 07 41 53.56 +38 36 09.5 19.5 cVEX069T05
K01W15O C2018 12 08.56898 07 41 52.08 +38 36 22.1 19.5 cVEX069T05
K01W15O C2018 12 08.58400 07 41 48.02 +38 36 57.0 19.6 cVEX069T05
K01W15O C2018 12 08.59399 07 41 45.26 +38 37 20.1 19.5 cVEX069T05
K01W15O C2018 12 08.79811 07 41 02.54 +38 44 10.3 19.5 VSEX069033
K01W15O C2018 12 08.79914 07 41 02.34 +38 44 12.8 19.9 VSEX069033
K01W15O C2018 12 08.80016 07 41 02.09 +38 44 15.5 19.5 VSEX069033
K01W15O C2018 12 08.80124 07 41 01.83 +38 44 18.0 19.7 VSEX069033
K01W15O KC2018 12 08.81864 07 40 58.11 +38 45 04.8 18.6 RVEX069K51
K01W15O KC2018 12 08.82378 07 40 56.90 +38 45 17.7 18.8 RVEX069K51
K01W15O KC2018 12 08.82893 07 40 55.70 +38 45 30.7 18.8 RVEX069K51
K01W15O KC2018 12 08.84170 07 40 52.36 +38 46 06.1 18.8 RoEX069K88
K01W15O KC2018 12 08.84447 07 40 51.70 +38 46 13.0 18.9 RoEX069K88
K01W15O KC2018 12 08.84724 07 40 51.03 +38 46 20.0 18.8 RoEX069K88
K01W15O KC2018 12 08.85000 07 40 50.35 +38 46 26.9 18.7 RoEX069K88
K01W15O KC2018 12 08.85277 07 40 49.67 +38 46 34.1 19.0 RoEX069K88
K01W15O KC2018 12 08.91108 07 40 35.82 +38 48 57.0 VEX069104
K01W15O KC2018 12 08.91559 07 40 34.67 +38 49 08.6 19.1 VEX069104
K01W15O KC2018 12 08.91960 07 40 33.65 +38 49 18.5 18.7 VEX069104
K01W15O KC2018 12 08.97930107 40 18.19 +38 51 42.9 19.4 GVEX069L01
K01W15O C2018 12 08.98046607 40 17.88 +38 51 45.9 19.4 GVEX069L01
K01W15O C2018 12 08.98125207 40 17.67 +38 51 47.8 19.6 GVEX069L01
K01W15O C2018 12 08.98202407 40 17.46 +38 51 49.8 19.5 GVEX069L01
K01W15O C2018 12 08.98358207 40 17.06 +38 51 53.0 19.4 GVEX069L01
K01W15O KC2018 12 08.98367 07 40 17.38 +38 51 50.7 18.1 RVEX069K38
K01W15O C2018 12 08.98436707 40 16.85 +38 51 55.1 19.5 GVEX069L01
K01W15O KC2018 12 08.99545 07 40 14.26 +38 52 19.5 18.6 RVEX069K38
K01W15O KC2018 12 09.00844 07 40 10.97 +38 52 49.9 18.5 RVEX069K38
K01W15O KC2018 12 09.01711 07 40 08.40 +38 53 11.4 19.7 GVEX069595
K01W15O KC2018 12 09.02013 07 40 07.84 +38 53 19.9 18.8 RVEX069K63
K01W15O KC2018 12 09.03682 07 40 03.58 +38 53 57.5 19.0 RVEX069K63
K01W15O KC2018 12 09.03962 07 40 02.55 +38 54 03.1 19.6 GVEX069595
K01W15O KC2018 12 09.04223 07 40 02.06 +38 54 11.2 19.7 RVEX069K63
K01W15O KC2018 12 09.04933 07 40 00.06 +38 54 30.4 18.7 RqEX069157
K01W15O KC2018 12 09.05635 07 39 58.18 +38 54 46.3 18.9 RqEX069157
K01W15O KC2018 12 09.05838 07 39 57.59 +38 54 46.2 19.4 GVEX069595
K01W15O KC2018 12 09.06338 07 39 56.35 +38 55 02.6 19.0 RqEX069157
K01W15O KC2018 12 09.07714 07 39 52.68 +38 55 28.1 19.5 GVEX069595
K01W15O KC2018 12 09.34738 07 38 50.82 +39 05 36.3 19.5 GUEX069H36
K01W15O KC2018 12 09.35124 07 38 49.83 +39 05 45.3 19.4 GUEX069H36
K01W15O KC2018 12 09.35511 07 38 48.78 +39 05 53.8 19.6 GUEX069H36
K01W15O KC2018 12 09.35897 07 38 47.80 +39 06 02.2 19.9 GUEX069H36
K01W15O C2018 12 09.45983 07 38 22.66 +39 09 46.7 19.6 GVEX069G96
K01W15O C2018 12 09.46505 07 38 21.27 +39 09 58.0 20.1 GVEX069G96
K01W15O C2018 12 09.47027 07 38 19.94 +39 10 08.8 19.6 GVEX069G96
K01W15O C2018 12 09.47549 07 38 18.59 +39 10 19.0 19.7 GVEX069G96
K01W15O KC2018 12 09.54177 07 38 01.66 +39 12 33.1 19.4 RoEX069291
K01W15O KC2018 12 09.54416 07 38 01.09 +39 12 38.1 19.5 RoEX069291
K01W15O KC2018 12 09.54654 07 38 00.49 +39 12 42.7 19.5 RoEX069291
K01W15O KC2018 12 09.83974 07 37 01.27 +39 22 17.8 19.7 GVEX069Z99
K01W15O KC2018 12 09.84410 07 37 00.35 +39 22 27.1 19.8 GVEX069Z99
K01W15O KC2018 12 09.84848 07 36 59.30 +39 22 36.7 19.7 GVEX069Z99
K01W15O C2018 12 10.03220 07 36 15.14 +39 29 21.4 18.8 VSEX069033
K01W15O C2018 12 10.03380 07 36 14.76 +39 29 24.5 18.9 VSEX069033
K01W15O C2018 12 10.03539 07 36 14.34 +39 29 28.0 18.9 VSEX069033
K01W15O KC2018 12 10.04779407 36 11.79 +39 30 01.3 19.3 GVEX069C95
K01W15O KC2018 12 10.05442507 36 10.12 +39 30 14.4 19.3 GVEX069C95
K01W15O C2018 12 10.49242 07 34 29.59 +39 44 45.5 19.2 GVEX069I52
K01W15O C2018 12 10.49484 07 34 29.01 +39 44 50.4 19.6 GVEX069I52
K01W15O C2018 12 10.49723 07 34 28.43 +39 44 54.4 19.6 GVEX069I52
K01W15O C2018 12 10.50786 07 34 25.82 +39 45 13.2 19.6 GVEX069I52
K01W15O C2018 12 10.57010 07 34 19.14 +39 47 01.5 20.6 RrEX069P93
K01W15O C2018 12 10.57743 07 34 17.49 +39 47 17.3 20.7 RrEX069P93
K01W15O C2018 12 10.58476 07 34 15.63 +39 47 31.9 20.8 RrEX069P93
K01W15O C2018 12 10.59210 07 34 13.97 +39 47 47.6 20.5 RrEX069P93
K01W15O KC2018 12 10.95177 07 32 54.99 +39 58 47.3 20.1 GVEX069587
K01W15O KC2018 12 10.95318 07 32 54.67 +39 58 50.1 19.9 GVEX069587
K01W15O KC2018 12 10.95459 07 32 54.31 +39 58 52.8 20.2 GVEX069587
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
157 Frasso Sabino. Observers R. Haver, R. Gorelli. Measurer R. Haver.
0.37-m f/6.70 Cassegrain + CCD.
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
587 Sormano. Observers M. Calcagno, A. Fumagalli, P. Sicoli, A. Testa.
Measurer P. Sicoli. 0.5-m f/6.8 reflector + CCD.
595 Farra dIsonzo. Observers E. Pettarin, F. Piani. Measurer
E. Pettarin. 0.61-m f/4.5 reflector + CCD.
C95 SATINO Remote Observatory, Haute Provence. Observer J. Jahn. 0.60-m
f/3.2 Newtonian reflector + CCD.
G96 Mt. Lemmon Survey. Observer D. C. Fuls. Measurers B. M. Africano,
E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. L. Seaman,
F. C. Shelly. 1.5-m reflector + 10K CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson,
G. J. Leonard, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien
+ CCD.
K51 Osservatorio del Celado, Castello Tesino. Observer M. Campestrin.
0.80-m f/4 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci.
0.41-m f/3.2 Newtonian reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
P93 Space Tracking and Communications Center, JAXA. Observers S. Okumura,
T. Fujiwara. 1.0-m f/3.0 reflector + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, H. Flewelling, A. Heinze,
H. Weiland, J. Tonry. Measurers L. Denneau, H. Flewelling, A. Heinze,
J. Tonry, A. Fitzsimmons, D. Young, N. Erasmus. 0.5-m f/2.0 Schmidt +
CCD.
Z99 Clixby Observatory, Cleethorpes. Observer A. Mickleburgh. 0.36-m f/8
Schmidt-Cassegrain + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
181208 T05 36+ 2- 181210 587 31+ 2- MPO 74110 -3.8 day
Orbital elements:
2001 WO15 Earth MOID = 0.0097 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 75.92068 (2000.0) P Q
n 0.40651691 Peri. 315.72727 +0.92397653 -0.36226411
a 1.8047497 Node 65.87662 +0.37748079 +0.81233485
e 0.4942130 Incl. 7.72031 +0.06144609 +0.45703042
P 2.42 H 22.7 G 0.15 U 2
Residuals in seconds of arc
011124 704 0.1+ 0.3- 181208 T05 0.1+ 0.5- 181209 595 0.1- 0.1+
011124 704 0.0 0.1+ 181208 T05 0.9- 0.3+ 181209 157 0.0 0.6+
011124 704 0.5- 0.8- 181208 T05 0.0 0.3+ 181209 595 0.2- 0.3-
011124 704 0.3- 0.5+ 181208 T05 0.2- 0.5+ 181209 H36 0.2+ 0.2-
011124 704 0.4+ 0.1+ 181208 033 0.1- 0.0 181209 H36 0.4+ 0.3+
011125 557 0.3+ 0.0 181208 033 0.4+ 0.1- 181209 H36 0.1- 0.2+
011125 557 0.2- 0.2+ 181208 033 0.3+ 0.0 181209 H36 0.3+ 0.2+
011125 557 0.2- 0.3+ 181208 033 0.2+ 0.2- 181209 G96 0.0 0.1-
011125 557 0.1- 0.0 181208 K51 0.3- 0.1- 181209 G96 0.3- 0.3+
011125 557 0.0 0.2+ 181208 K51 0.2- 0.2- 181209 G96 0.0 0.3+
011125 557 0.3- 0.1+ 181208 K51 0.0 0.1- 181209 G96 0.0 0.2-
011125 557 0.6- 0.2+ 181208 K88 0.3- 0.2+ 181209 291 0.3- 0.0
011125 608 (0.4- 2.0+) 181208 K88 0.1- 0.2+ 181209 291 0.1+ 0.3+
011125 608 0.5- 0.1- 181208 K88 0.1- 0.3+ 181209 291 0.0 0.2+
011125 608 0.2- 0.0 181208 K88 0.1- 0.3+ 181209 Z99 0.4+ 0.4+
011126 118 0.9- 0.2- 181208 K88 0.2- 0.6+ 181209 Z99 1.1+ 0.0
011126 118 0.5- 0.9- 181208 104 0.2+ 0.4- 181209 Z99 0.3+ 0.2-
011126 118 0.7+ 0.3- 181208 104 0.1- 0.1+ 181210 033 0.1- 0.0
011126 118 0.7+ 0.5- 181208 104 0.2- 0.1+ 181210 033 0.1+ 0.2-
011126 704 0.5+ 0.2- 181208 L01 0.0 0.1- 181210 033 0.2- 0.0
011126 704 0.9+ 0.9+ 181208 L01 0.1- 0.1+ 181210 C95 0.0 0.1+
011126 704 1.0+ 0.3+ 181208 L01 0.2- 0.2+ 181210 C95 0.1- 0.4-
011128 670 0.8+ 0.3+ 181208 L01 0.3- 0.3+ 181210 I52 0.1- 0.2-
011128 670 0.2+ 0.4+ 181208 L01 0.3- 0.2- 181210 I52 0.1+ 0.4+
011128 670 0.6- 0.0 181208 K38 0.4+ 0.6- 181210 I52 0.2+ 0.1+
011206 649 0.4- 0.3- 181208 L01 0.4- 0.0 181210 I52 0.1+ 0.1-
011206 649 0.1- 0.0 181208 K38 0.6- 0.1+ 181210 P93 0.3- 0.1-
011206 649 0.2- 0.4- 181209 K38 0.3+ 0.2- 181210 P93 0.6+ 0.4+
011220 644 0.8- 1.4- 181209 595 0.4+ 0.1+ 181210 P93 0.7- 0.2-
011220 644 (0.4- 1.9-) 181209 K63 0.1- 0.1- 181210 P93 0.4+ 0.3+
011220 644 (0.1+ 2.6-) 181209 K63 1.1+ 1.3- 181210 587 0.1+ 0.4-
011220 644 (0.7+ 2.1-) 181209 595 0.6+ 0.2- 181210 587 0.2+ 0.3-
020109 696 (0.6- 1.6+) 181209 K63 0.1- 0.1- 181210 587 0.1- 0.4-
020109 696 0.5- 0.0 181209 157 0.1+ 0.3+
020109 696 0.9+ 0.4+ 181209 157 0.2- 0.2+
Ephemeris:
2001 WO15 a,e,i = 1.80, 0.49, 8 q = 0.9128
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 11 13 38 28.4 -54 27 56 0.05913 0.9461 40.6 137.0 22.9
...
2018 11 26 08 56 14.5 +18 39 13 0.05699 1.0099 112.2 64.8 18.8
...
2018 12 04 08 02 20.1 +34 37 15 0.09461 1.0539 134.3 42.0 19.3
...
2018 12 10 07 36 21.7 +39 28 29 0.1269 1.0903 144.2 31.9 19.8
2018 12 11 07 32 42.1 +40 00 28 0.1326 1.0966 145.5 30.5 19.8
2018 12 12 07 29 11.6 +40 29 03 0.1383 1.1030 146.8 29.2 19.9
...
2018 12 18 07 10 53.3 +42 24 59 0.1740 1.1423 153.4 22.7 20.3
...
2018 12 26 06 52 27.8 +43 22 26 0.2262 1.1971 158.7 17.4 20.8
...
2019 01 10 06 32 38.6 +42 41 53 0.3414 1.3042 156.8 17.2 21.9
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X69
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