MPEC 2018-Y06 : 2018 XZ4
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Read MPEC 2018-Y05
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M.P.E.C. 2018-Y06 Issued 2018 Dec. 16, 04:34 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
2018 XZ4
Observations:
K18X04Z* C2018 12 14.17457 02 36 47.45 -02 38 00.4 17.2 GVEY006703
K18X04Z C2018 12 14.18509 02 37 04.52 -02 33 00.9 17.2 GVEY006703
K18X04Z C2018 12 14.19035 02 37 13.04 -02 30 31.8 17.4 GVEY006703
K18X04Z C2018 12 14.21279002 37 48.46 -02 20 00.9 16.9 GVEY006H01
K18X04Z C2018 12 14.21873002 37 58.12 -02 17 12.2 17.2 GVEY006H01
K18X04Z C2018 12 14.22824602 38 13.57 -02 12 42.1 17.0 GVEY006H01
K18X04Z C2018 12 14.23761702 38 28.82 -02 08 15.9 16.9 GVEY006H01
K18X04Z C2018 12 14.24090 02 38 34.98 -02 06 36.7 17.1 GVEY006I52
K18X04Z C2018 12 14.24106 02 38 35.22 -02 06 32.4 16.9 GVEY006I52
K18X04Z C2018 12 14.24121 02 38 35.47 -02 06 28.1 17.1 GVEY006I52
K18X04Z C2018 12 14.24136 02 38 35.72 -02 06 23.8 17.1 GVEY006I52
K18X04Z C2018 12 14.24518 02 38 41.94 -02 04 35.4 17.3 GVEY006G96
K18X04Z C2018 12 14.25104 02 38 51.43 -02 01 49.6 17.3 GVEY006G96
K18X04Z C2018 12 14.25682 02 39 00.84 -01 59 05.4 17.3 GVEY006G96
K18X04Z C2018 12 14.26261 02 39 10.25 -01 56 21.0 17.2 GVEY006G96
K18X04Z C2018 12 14.27535 02 39 30.95 -01 50 20.1 17.1 GVEY006I52
K18X04Z C2018 12 14.27550 02 39 31.20 -01 50 15.8 17.1 GVEY006I52
K18X04Z C2018 12 14.27565 02 39 31.45 -01 50 11.4 17.0 GVEY006I52
K18X04Z C2018 12 14.27580 02 39 31.69 -01 50 07.1 17.0 GVEY006I52
K18X04Z C2018 12 14.32842 02 40 57.78 -01 25 18.1 17.1 GVEY006I52
K18X04Z C2018 12 14.32857 02 40 58.02 -01 25 14.1 17.1 GVEY006I52
K18X04Z C2018 12 14.32873 02 40 58.28 -01 25 09.5 17.1 GVEY006I52
K18X04Z C2018 12 14.32888 02 40 58.52 -01 25 05.3 17.0 GVEY006I52
K18X04Z mC2018 12 14.33155 02 41 02.09 -01 23 51.4 16.2 qEY006H15
K18X04Z mC2018 12 14.33343 02 41 05.21 -01 22 58.1 16.1 qEY006H15
K18X04Z mC2018 12 14.33530 02 41 08.31 -01 22 05.7 16.7 qEY006H15
K18X04Z mC2018 12 14.33718 02 41 11.44 -01 21 12.2 16.2 qEY006H15
K18X04Z mC2018 12 14.34092 02 41 17.62 -01 19 26.6 16.3 qEY006H15
K18X04Z C2018 12 14.49537 02 45 55.61 -00 07 13.4 17.3 RrEY006P93
K18X04Z C2018 12 14.49619 02 45 56.93 -00 06 50.4 17.5 RrEY006P93
K18X04Z C2018 12 14.49660 02 45 57.59 -00 06 38.6 17.3 RrEY006P93
K18X04Z C2018 12 14.49702 02 45 58.25 -00 06 27.4 17.3 RrEY006P93
K18X04Z KC2018 12 14.76111 02 53 27.30 +01 55 01.5 16.4 RqEY006160
K18X04Z KC2018 12 14.76209 02 53 28.86 +01 55 28.2 16.1 RqEY006160
K18X04Z KC2018 12 14.76316 02 53 30.55 +01 55 57.2 16.4 RqEY006160
K18X04Z KC2018 12 14.76423 02 53 32.29 +01 56 25.9 17.0 RqEY006160
K18X04Z KC2018 12 14.76531 02 53 34.02 +01 56 56.4 17.2 RqEY006160
K18X04Z KC2018 12 14.77343 02 53 47.10 +02 00 32.3 17.7 GVEY006204
K18X04Z KC2018 12 14.77705 02 53 52.85 +02 02 11.3 VEY006204
K18X04Z KC2018 12 14.78066 02 53 58.58 +02 03 50.4 VEY006204
K18X04Z KC2018 12 14.80239102 54 32.06 +02 13 48.3 17.3 GVEY006L01
K18X04Z KC2018 12 14.80555602 54 37.05 +02 15 14.7 17.4 GVEY006L01
K18X04Z KC2018 12 14.80654102 54 38.62 +02 15 41.6 17.2 GVEY006L01
K18X04Z KC2018 12 14.80792402 54 40.80 +02 16 19.7 17.3 GVEY006L01
K18X04Z KC2018 12 14.82252202 55 05.70 +02 23 02.8 17.1 GVEY006C95
K18X04Z KC2018 12 14.82659802 55 12.15 +02 24 54.7 17.1 GVEY006C95
K18X04Z KC2018 12 14.83067202 55 18.52 +02 26 45.9 16.9 GVEY006C95
K18X04Z KC2018 12 14.84289602 55 37.77 +02 32 19.3 17.3 GVEY006C95
K18X04Z KC2018 12 14.84697102 55 44.16 +02 34 10.5 16.7 GVEY006C95
K18X04Z KC2018 12 14.84746 02 55 43.78 +02 34 23.6 VEY006104
K18X04Z KC2018 12 14.85104302 55 50.58 +02 36 01.8 17.0 GVEY006C95
K18X04Z KC2018 12 14.85218 02 55 51.96 +02 36 31.4 17.3 VqEY006C77
K18X04Z KC2018 12 14.85237 02 55 51.45 +02 36 37.2 17.1 VEY006104
K18X04Z KC2018 12 14.85659 02 55 58.84 +02 38 31.0 17.6 VqEY006C77
K18X04Z KC2018 12 14.85728 02 55 59.19 +02 38 52.1 17.5 VEY006104
K18X04Z KC2018 12 14.85895 02 56 02.58 +02 39 35.6 17.4 VqEY006C77
K18X04Z KC2018 12 14.89906 02 57 05.17 +02 57 41.0 17.1 GVEY006203
K18X04Z KC2018 12 14.90091 02 57 10.10 +02 58 55.0 17.0 RcEY006J08
K18X04Z KC2018 12 14.90287 02 57 13.12 +02 59 48.1 16.9 RcEY006J08
K18X04Z KC2018 12 14.90441 02 57 13.53 +03 00 06.1 17.2 GVEY006203
K18X04Z KC2018 12 14.90852 02 57 21.95 +03 02 21.3 17.1 RcEY006J08
K18X04Z KC2018 12 14.91369 02 57 28.09 +03 04 17.9 17.2 GVEY006203
K18X04Z KC2018 12 14.94742 02 58 21.03 +03 19 27.4 16.3 RVEY006K38
K18X04Z KC2018 12 14.95083 02 58 26.40 +03 20 59.8 16.6 RVEY006K38
K18X04Z KC2018 12 14.95425 02 58 31.75 +03 22 31.7 16.4 RVEY006K38
K18X04Z KC2018 12 14.95766 02 58 37.15 +03 24 03.6 16.6 RVEY006K38
K18X04Z C2018 12 15.25345 03 06 39.01 +05 35 56.1 17.2 GVEY006I52
K18X04Z C2018 12 15.25360 03 06 39.23 +05 36 00.0 17.2 GVEY006I52
K18X04Z C2018 12 15.25375 03 06 39.45 +05 36 03.8 17.1 GVEY006I52
K18X04Z C2018 12 15.25390 03 06 39.68 +05 36 07.6 17.2 GVEY006I52
K18X04Z KC2018 12 15.71427 03 18 58.83 +08 49 47.0 16.7 GVEY006587
K18X04Z KC2018 12 15.71489 03 18 59.74 +08 50 02.8 17.0 GVEY006587
K18X04Z KC2018 12 15.71629 03 19 01.88 +08 50 36.8 16.8 GVEY006587
K18X04Z KC2018 12 15.82464 03 21 40.64 +09 34 51.5 17.6 GVEY006595
K18X04Z KC2018 12 15.82743 03 21 44.68 +09 35 59.3 17.6 GVEY006595
K18X04Z KC2018 12 15.83021 03 21 48.74 +09 37 06.5 17.9 GVEY006595
K18X04Z KC2018 12 15.83580 03 21 56.82 +09 39 21.9 18.1 GVEY006595
K18X04Z KC2018 12 15.84145 03 22 04.99 +09 41 38.4 18.0 GVEY006595
K18X04Z KC2018 12 15.84766 03 22 14.62 +09 44 15.8 17.2 RqEY006160
K18X04Z KC2018 12 15.84921 03 22 16.87 +09 44 53.5 17.2 RqEY006160
K18X04Z KC2018 12 15.85082 03 22 19.20 +09 45 32.5 17.3 RqEY006160
K18X04Z KC2018 12 15.85246 03 22 21.57 +09 46 12.2 17.5 RqEY006160
K18X04Z KC2018 12 15.85394 03 22 23.68 +09 46 47.8 17.4 RqEY006160
K18X04Z KC2018 12 15.85415703 22 26.04 +09 46 23.7 17.6 GVEY006J95
K18X04Z KC2018 12 15.85523 03 22 25.55 +09 47 18.6 17.4 RqEY006160
K18X04Z KC2018 12 15.85562203 22 28.21 +09 46 59.0 18.2 GVEY006J95
K18X04Z KC2018 12 15.85724503 22 30.56 +09 47 37.9 17.9 GVEY006J95
K18X04Z KC2018 12 15.90125803 23 34.44 +10 05 18.8 17.6 GVEY006J69
K18X04Z KC2018 12 15.90704803 23 42.70 +10 07 36.1 17.7 GVEY006J69
K18X04Z KC2018 12 15.91284603 23 51.12 +10 09 56.1 17.2 GVEY006J69
K18X04Z KC2018 12 16.00757103 26 07.49 +10 47 09.8 18.0 GVEY006Z80
K18X04Z KC2018 12 16.02033403 26 25.86 +10 52 07.9 17.8 GVEY006Z80
K18X04Z KC2018 12 16.02493103 26 32.54 +10 53 55.0 17.6 GVEY006Z80
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi,
W. Vollmann. Measurer E. Prosperi. 0.35-m f/10 Schmidt-Cassegrain + CCD.
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.36-m f/7.50 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector +
CCD.
587 Sormano. Observers A. Fumagalli, P. Sicoli, A. Testa. Measurer
P. Sicoli. 0.5-m f/6.8 reflector + CCD.
595 Farra dIsonzo. Observers U. Montanar, E. Pettarin. Measurer
E. Pettarin. 0.40-m f/5.15 reflector + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. 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. 0.68-m Schmidt + 10K CCD.
C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/1000.0 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 A. R. Gibbs. 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
H15 ISON-NM Observatory, Mayhill. Observer L. Elenin. 0.4-m f/3 reflector +
CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller.
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.
J08 Observatorio Zonalunar, Puzol. Observer A. Carreno. Measurer
J. Piqueras. 0.20-m f/5 Newtonian reflector + CCD.
J69 North Observatory, Clanfield. Observer D. Briggs. 0.41-m f/4.5
Newtonian reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3
Schmidt-Cassegrain + CCD.
K38 M57 Observatory, Saltrio. Observer G. Baj. 0.3-m f/5.5 Ritchey-Chretien
+ 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.
Z80 Northolt Branch Observatory. Observer G. Wells. Measurer D. Bamberger.
0.25-m f/8.0 Ritchey-Chretien + CCD.
Orbital elements:
2018 XZ4 Earth MOID = 0.0185 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 66.63326 (2000.0) P Q
n 0.41000834 Peri. 319.96688 +0.70537101 -0.69795770
a 1.7944895 Node 84.77104 +0.67798799 +0.61338372
e 0.4740031 Incl. 7.13673 +0.20684299 +0.36961529
P 2.40 H 23.4 G 0.15 U 5
Residuals in seconds of arc
181214 703 0.4+ 0.1+ 181214 P93 0.0 0.2- 181214 K38 0.1- 0.4-
181214 703 0.5+ 0.6+ 181214 160 0.1- 0.4+ 181214 K38 0.1+ 0.1+
181214 703 0.3+ 0.3+ 181214 160 0.2- 0.2+ 181214 K38 0.3- 0.2-
181214 H01 0.3- 0.0 181214 160 0.4- 0.2- 181214 K38 0.3+ 0.2-
181214 H01 0.1- 0.0 181214 160 0.1+ 0.9- 181215 I52 0.0 0.1-
181214 H01 0.2- 0.1- 181214 160 0.3+ 0.1- 181215 I52 0.1- 0.1-
181214 H01 0.1+ 0.2+ 181214 204 0.3+ 0.3+ 181215 I52 0.2- 0.2-
181214 I52 0.1- 0.1+ 181214 204 0.1+ 0.0 181215 I52 0.1- 0.3-
181214 I52 0.4- 0.1- 181214 204 0.2- 0.0 181215 587 0.1- 0.1-
181214 I52 0.3- 0.1- 181214 L01 0.0 0.1+ 181215 587 0.4- 0.4+
181214 I52 0.2- 0.0 181214 L01 0.2- 0.1- 181215 587 0.2+ 0.2-
181214 G96 0.1+ 0.0 181214 L01 0.0 0.2- 181215 595 0.1- 0.3-
181214 G96 0.2- 0.4- 181214 L01 0.0 0.1+ 181215 595 0.2- 0.1-
181214 G96 0.1+ 0.1- 181214 C95 0.1- 0.6- 181215 595 0.2+ 0.2-
181214 G96 0.1+ 0.1+ 181214 C95 0.3+ 0.1- 181215 595 0.0 0.1-
181214 I52 0.3- 0.1- 181214 C95 0.4- 0.1- 181215 595 0.1- 0.2-
181214 I52 0.2- 0.0 181214 C95 0.1- 0.4- 181215 160 0.2- 0.4-
181214 I52 0.1- 0.1+ 181214 C95 0.3- 0.3- 181215 160 0.0 0.1-
181214 I52 0.2- 0.2+ 181214 104 0.3+ 0.1- 181215 160 0.1+ 0.1+
181214 I52 0.1- 0.0 181214 C95 0.1+ 0.0 181215 160 0.1+ 0.2+
181214 I52 0.2- 0.2- 181214 C77 0.2+ 0.2+ 181215 160 0.2- 0.1+
181214 I52 0.2- 0.2- 181214 104 0.3- 0.3- 181215 J95 0.5- 0.0
181214 I52 0.3- 0.2- 181214 C77 0.4- 0.3- 181215 160 0.1- 0.2-
181214 H15 0.7- 0.3- 181214 104 0.2+ 0.8+ 181215 J95 0.1+ 0.1-
181214 H15 0.5- 0.1- 181214 C77 0.1+ 0.0 181215 J95 0.1- 0.4-
181214 H15 0.4- 0.5- 181214 203 0.6+ 0.3- 181215 J69 2.0+ 1.5+
181214 H15 0.1- 0.1- 181214 J08 0.5+ 1.2+ 181215 J69 0.5+ 0.4+
181214 H15 0.4- 0.2- 181214 J08 0.0 1.1+ 181215 J69 1.2+ 2.0+
181214 P93 0.1- 0.1- 181214 203 0.2+ 0.2- 181216 Z80 0.1+ 0.0
181214 P93 0.1+ 0.0 181214 J08 0.5+ 1.2+ 181216 Z80 0.8- 0.1-
181214 P93 0.2+ 0.3+ 181214 203 0.4+ 0.2+ 181216 Z80 0.2- 0.2-
Ephemeris:
2018 XZ4 a,e,i = 1.79, 0.47, 7 q = 0.9439
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 16 20 38 05.1 -47 48 56 0.1568 0.9436 68.8 102.3 23.0
...
2018 12 01 22 00 32.2 -46 20 02 0.07771 0.9624 70.0 105.6 21.7
...
2018 12 09 00 09 15.8 -34 56 34 0.04033 0.9857 89.9 87.8 19.5
...
2018 12 15 02 59 52.0 +03 45 49 0.03176 1.0086 139.2 39.6 17.5
2018 12 16 03 26 01.3 +10 46 48 0.03374 1.0128 147.4 31.6 17.4
2018 12 17 03 49 46.9 +16 46 01 0.03655 1.0171 154.0 25.1 17.4
...
2018 12 23 05 24 41.4 +34 50 26 0.06324 1.0450 165.8 13.4 18.3
...
2018 12 31 06 18 40.4 +40 39 03 0.1087 1.0872 162.0 16.3 19.6
...
2019 01 15 06 55 12.2 +41 52 12 0.2078 1.1776 156.9 19.1 21.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y06
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