MPEC 2018-X39 : 2018 XD
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2018-X38
Read MPEC 2018-X40
M.P.E.C. 2018-X39 Issued 2018 Dec. 4, 22:33 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 XD
Observations:
K18X00D* C2018 12 03.30275 00 33 49.87 -17 32 01.9 19.0 oVEX039T08
K18X00D C2018 12 03.30460 00 33 54.68 -17 31 48.2 18.7 oVEX039T08
K18X00D C2018 12 03.31251 00 34 15.36 -17 30 51.9 19.1 oVEX039T08
K18X00D C2018 12 03.31393 00 34 19.03 -17 30 43.3 19.0 oVEX039T08
K18X00D C2018 12 03.32040 00 34 35.96 -17 29 56.9 18.0 oVEX039T08
K18X00D C2018 12 03.32182 00 34 39.66 -17 29 47.0 18.1 oVEX039T08
K18X00D C2018 12 03.32840 00 34 56.93 -17 29 00.2 18.8 oVEX039T08
K18X00D C2018 12 03.32979 00 35 00.41 -17 28 49.9 18.1 oVEX039T08
K18X00D C2018 12 03.33165 00 35 05.40 -17 28 37.6 19.2 oVEX039T08
K18X00D C2018 12 03.33768 00 35 20.94 -17 27 54.9 18.9 oVEX039T08
K18X00D C2018 12 03.33953 00 35 25.71 -17 27 41.3 18.7 oVEX039T08
K18X00D KC2018 12 03.99775 01 03 23.79 -16 04 46.0 18.1 VUEX039X31
K18X00D KC2018 12 04.00055 01 03 30.41 -16 04 24.1 18.5 VUEX039X31
K18X00D KC2018 12 04.00384 01 03 38.09 -16 03 59.7 19.4 VUEX039X31
K18X00D C2018 12 04.08252 01 06 49.74 -15 56 55.7 18.7 GVEX039I52
K18X00D C2018 12 04.08289 01 06 50.55 -15 56 53.0 18.9 GVEX039I52
K18X00D C2018 12 04.08308 01 06 51.01 -15 56 51.3 18.9 GVEX039I52
K18X00D KC2018 12 04.40814 01 19 11.18 -15 11 53.5 18.4 RqEX039E94
K18X00D KC2018 12 04.41605 01 19 28.45 -15 10 51.4 18.4 RqEX039E94
K18X00D KC2018 12 04.42883 01 19 56.16 -15 09 11.2 18.4 RqEX039E94
K18X00D KC2018 12 04.71051101 30 14.18 -14 36 25.5 18.7 GVEX039L01
K18X00D KC2018 12 04.71149901 30 16.24 -14 36 18.3 19.0 GVEX039L01
K18X00D KC2018 12 04.71249001 30 18.27 -14 36 10.7 18.8 GVEX039L01
K18X00D KC2018 12 04.71387701 30 21.13 -14 35 59.5 19.0 GVEX039L01
K18X00D KC2018 12 04.71526501 30 24.01 -14 35 48.4 19.0 GVEX039L01
K18X00D KC2018 12 04.76570 01 32 07.62 -14 29 21.8 18.7 VEX039104
K18X00D KC2018 12 04.77413 01 32 24.76 -14 28 17.7 18.7 VEX039104
K18X00D KC2018 12 04.77694 01 32 30.43 -14 27 55.7 18.4 VEX039104
K18X00D KC2018 12 04.82997 01 34 17.46 -14 21 11.9 18.3 GUEX039587
K18X00D KC2018 12 04.83153 01 34 20.59 -14 20 59.7 UEX039587
K18X00D KC2018 12 04.83275 01 34 22.77 -14 20 47.9 18.0 RVEX039K63
K18X00D KC2018 12 04.83292 01 34 23.34 -14 20 49.4 UEX039587
K18X00D KC2018 12 04.83565 01 34 28.64 -14 20 25.0 17.8 RVEX039K63
K18X00D KC2018 12 04.84247 01 34 42.29 -14 19 33.1 18.6 RVEX039K63
K18X00D C2018 12 04.86439301 35 30.244-14 16 14.23 18.9 GVEX039J04
K18X00D C2018 12 04.86455001 35 30.547-14 16 12.92 18.8 GVEX039J04
K18X00D C2018 12 04.86471401 35 30.901-14 16 11.64 18.6 GVEX039J04
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
587 Sormano. Observers M. Calcagno, F. Manca, P. Sicoli, A. Testa. Measurer
P. Sicoli. 0.5-m f/6.8 reflector + CCD.
E94 Possum Observatory, Gisborne. Observer J. Drummond. 0.41-m f/4.5
Newtonian reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer E. J. Christensen.
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.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers
M. Micheli, D. Koschny, M. Busch, E. Schwab, A. Knoefel. 1.0-m f/4.4
reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci.
0.41-m f/3.2 Newtonian reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
T08 ATLAS-MLO, Mauna Loa. 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.
X31 Galileo Galilei Observatory, Oro Verde. Observer C. Fornari. 0.35-m
f/11 Schmidt-Cassegrain + CCD.
Orbital elements:
2018 XD Earth MOID = 0.0090 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 74.81129 (2000.0) P Q
n 0.39728846 Peri. 121.65233 +0.98866649 -0.06773464
a 1.8325904 Node 242.53819 +0.02004519 +0.94400195
e 0.5651269 Incl. 8.68454 +0.14878429 +0.32291228
P 2.48 H 23.2 G 0.15 U 6
Residuals in seconds of arc
181203 T08 1.1- 0.6- 181204 X31 0.3- 0.3- 181204 104 0.1+ 0.2-
181203 T08 1.4- 0.1+ 181204 I52 0.0 0.0 181204 104 0.2- 0.3+
181203 T08 0.7- 0.8+ 181204 I52 0.6- 0.1- 181204 587 0.5+ 0.1-
181203 T08 1.2- 0.6- 181204 I52 0.3- 0.2+ 181204 587 0.5+ 0.1+
181203 T08 0.2- 0.2+ 181204 E94 0.2- 0.1- 181204 K63 0.8- 0.2-
181203 T08 0.2- 0.0 181204 E94 0.8+ 0.4+ 181204 587 0.1+ 0.3-
181203 T08 1.6+ 0.2+ 181204 E94 0.1+ 0.8+ 181204 K63 0.2+ 0.4+
181203 T08 0.4- 0.7+ 181204 L01 0.4- 0.1- 181204 K63 0.6+ 0.2-
181203 T08 1.7+ 0.2- 181204 L01 0.1- 0.4- 181204 J04 0.0 0.2-
181203 T08 0.6- 0.4- 181204 L01 0.3- 0.4- 181204 J04 0.2- 0.1-
181203 T08 1.3- 0.0 181204 L01 0.3- 0.3+ 181204 J04 0.3+ 0.0
181203 X31 1.1- 0.4- 181204 L01 0.0 0.8+
181204 X31 0.1- 0.2+ 181204 104 0.3- 0.1+
Ephemeris:
2018 XD a,e,i = 1.83, 0.57, 9 q = 0.7969
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 04 17 37 05.8 -08 21 09 0.2700 0.8231 44.9 121.7 24.9
...
2018 11 19 18 31 02.3 -10 50 58 0.1276 0.8991 42.9 131.5 24.4
...
2018 11 27 20 12 06.6 -16 50 30 0.06324 0.9540 57.1 119.7 21.9
...
2018 12 03 00 20 03.3 -18 03 53 0.04629 0.9994 105.8 71.7 19.0
2018 12 04 01 03 26.5 -16 05 23 0.04935 1.0073 114.6 62.8 18.9
2018 12 05 01 39 58.5 -13 57 13 0.05386 1.0152 122.1 55.3 18.9
...
2018 12 11 03 32 45.1 -05 00 54 0.09697 1.0640 143.2 33.6 19.7
...
2018 12 19 04 19 44.8 -00 17 45 0.1692 1.1315 148.4 27.1 20.8
...
2019 01 03 04 51 22.0 +03 44 26 0.3228 1.2614 145.0 26.5 22.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-X39
Read MPEC 2018-X38
Read MPEC 2018-X40
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)