[Iaude] MPEC U179: 2023 UD4 [a=1.41,e=0.29,i=1.5,H=28.1]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Oct 21 16:14:50 EDT 2023
M.P.E.C. 2023-U179 Issued 2023 October 21, 20:13 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2023 UD4
Observations:
K23U04D* C2023 10 20.22518 22 28 54.85 +10 51 29.1 17.61gUEU179I41
K23U04D C2023 10 20.22553 22 28 56.35 +10 51 58.9 17.61gUEU179I41
K23U04D C2023 10 20.22612 22 28 58.88 +10 52 49.3 18.24gUEU179I41
K23U04D C2023 10 20.22647 22 29 00.41 +10 53 19.0 18.24gUEU179I41
K23U04D C2023 10 20.26312 22 31 41.13 +11 45 38.6 17.75gUEU179I41
K23U04D C2023 10 20.26347 22 31 42.64 +11 46 07.9 17.75gUEU179I41
K23U04D C2023 10 20.26358 22 31 43.14 +11 46 17.2 17.67gUEU179I41
K23U04D C2023 10 20.26393 22 31 44.72 +11 46 46.9 17.67gUEU179I41
K23U04D C2023 10 21.40738101 05 26.026+41 49 44.15 17.59cVEU179T05
K23U04D C2023 10 21.41016501 05 52.781+41 53 00.46 16.88cVEU179T05
K23U04D C2023 10 21.41696801 06 58.068+42 00 55.55 17.29cVEU179T05
K23U04D C2023 10 21.45048801 12 21.931+42 38 21.48 17.05cVEU179T05
K23U04D KC2023 10 21.76146702 12 38.82 +46 37 45.2 17.3 GVEU179G33
K23U04D KC2023 10 21.76497602 13 16.72 +46 40 21.2 17.6 GVEU179G33
K23U04D KB2023 10 21.78589402 17 02.595+46 55 50.73 17.1 GXEU179B72
K23U04D KB2023 10 21.78821502 17 27.214+46 57 29.02 17.1 GXEU179B72
K23U04D KB2023 10 21.79058402 17 52.267+46 59 08.67 17.6 GXEU179B72
K23U04D KB2023 10 21.79709002 19 00.948+47 03 40.12 17.3 GXEU179B72
K23U04D KB2023 10 21.79974402 19 28.900+47 05 29.46 17.7 GXEU179B72
K23U04D KB2023 10 21.80242502 19 57.062+47 07 19.56 18.1 GXEU179B72
K23U04D KB2023 10 21.80651302 21 06.06 +47 10 15.5 17.8 GXEU179958
K23U04D KB2023 10 21.80979202 21 40.68 +47 12 31.3 18.0 GXEU179958
K23U04D KB2023 10 21.81304002 22 14.96 +47 14 45.7 17.0 GXEU179958
K23U04D KC2023 10 21.81671 02 22 39.58 +47 20 55.2 18.2 GVEU179104
K23U04D KC2023 10 21.81779 02 22 50.69 +47 21 38.7 18.0 GVEU179104
K23U04D KC2023 10 21.81887 02 23 01.87 +47 22 21.3 17.4 GVEU179104
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurer P.
Bacci. 0.60-m f/4.0 reflector + CCD.
958 Observatoire de Dax. Observers P. Dupouy, J. Laborde. Measurer P.
Dupouy. 0.30-m f/5 Schmidt-Cassegrain + CMO.
B72 Soerth. Observer B. Koch. 0.36-m f/7.6 reflector + CMO.
G33 Wickede. Observer G. Neue. 0.27-m Schmidt-Cassegrain + CCD.
I41 Palomar Mountain--ZTF. Observers K. Venkataramani, T. Prince, G. Helou,
Q.-Z. Ye, D. Kulkarni, V. Swain, C. Y. Hsu, Y. Cheng, T. Batra. Measurers
F. Masci, D. Shupe, K. Venkataramani, Q.-Z. Ye. 1.2-m f/2.44 Oschin-
Schmidt + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, R. Siverd, J. Tonry, H.
Weiland. Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
J. Robinson, R. Siverd, J. Tonry, H. Weiland. 0.5-m Reflector + CCD.
Orbital elements:
2023 UD4 Earth MOID = 0.0021 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Bell
M 337.69962 (2000.0) P Q
n 0.58979526 Peri. 3.34141 +0.89316120 -0.44962044
a 1.4082136 Node 23.38636 +0.41202585 +0.80894522
e 0.2908267 Incl. 1.47594 +0.18027136 +0.37874673
P 1.67 H 28.18 G 0.15 U 7
Residuals in seconds of arc
231020 I41 0.5- 0.3- 231021 T05 0.5+ 0.0 231021 B72 0.5+ 0.4+
231020 I41 0.5- 0.2- 231021 T05 0.5+ 0.2+ 231021 B72 0.4+ 0.6+
231020 I41 0.5- 0.0 231021 T05 0.4- 0.0 231021 958 0.9- 0.5-
231020 I41 0.1- 0.0 231021 G33 1.4- 0.6- 231021 958 0.6- 0.3-
231020 I41 0.9+ 1.1+ 231021 G33 0.1+ 0.8- 231021 958 0.5+ 0.8+
231020 I41 0.1+ 0.2+ 231021 B72 0.7+ 0.6+ 231021 104 0.5+ 0.5+
231020 I41 0.2+ 0.0 231021 B72 0.7+ 0.5+ 231021 104 0.2+ 0.9+
231020 I41 0.3+ 0.5- 231021 B72 0.4+ 0.4+ 231021 104 0.7+ 0.6+
231021 T05 0.5- 0.1- 231021 B72 0.4+ 0.5+
Ephemeris:
2023 UD4 a,e,i = 1.41, 0.29, 1 q = 0.9987
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 21 19 49 44.1 -32 13 39 0.06845 1.0355 115.4 61.1 24.6
...
2023 10 06 19 53 27.0 -30 38 20 0.03537 1.0080 102.2 75.9 23.6
...
2023 10 14 20 12 44.6 -26 25 51 0.01702 1.0006 99.4 79.6 22.1
...
2023 10 20 22 12 02.8 +06 06 05 0.0041950.9987 129.3 50.5 18.2
2023 10 21 23 58 02.5 +31 51 36 0.0033870.9986 148.1 31.8 17.2
2023 10 22 02 52 07.2 +48 49 20 0.0041090.9986 139.4 40.5 17.8
...
2023 10 28 07 02 25.8 +38 19 21 0.01695 0.9998 110.5 68.6 21.7
...
2023 11 05 07 25 52.3 +34 34 12 0.03544 1.0063 113.4 64.7 23.2
...
2023 11 20 07 25 32.0 +32 53 54 0.06941 1.0325 128.1 48.9 24.3
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-U179
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