MPEC 2023-O57 : 2023 OB1
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M.P.E.C. 2023-O57 Issued 2023 July 22, 21:36 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2023 OB1
Observations:
K23O01B*KC2023 07 20.03420 15 47 01.18 -16 38 50.0 19.6 GVEO057W94
K23O01B KC2023 07 20.04049 15 47 02.50 -16 38 14.4 18.6 GVEO057W94
K23O01B KC2023 07 20.04679 15 47 03.75 -16 37 39.0 19.2 GVEO057W94
K23O01B KC2023 07 20.22600 15 47 40.91 -16 20 45.2 19.3 GVEO057X10
K23O01B KC2023 07 20.23161 15 47 42.17 -16 20 13.1 19.0 GVEO057X10
K23O01B KC2023 07 20.23721 15 47 43.33 -16 19 41.5 20.2 GVEO057X10
K23O01B KC2023 07 20.46762 15 48 34.10 -15 58 13.5 20.1 VqEO057E23
K23O01B KC2023 07 20.48382 15 48 37.48 -15 56 43.2 20.0 VqEO057E23
K23O01B KC2023 07 20.50002 15 48 40.78 -15 55 12.2 19.7 VqEO057E23
K23O01B KC2023 07 20.76942 15 49 39.48 -15 30 22.2 19.8 VZEO057M49
K23O01B KC2023 07 20.77520 15 49 40.64 -15 29 50.2 20.0 VZEO057M49
K23O01B KC2023 07 20.78097 15 49 41.81 -15 29 18.0 19.9 VZEO057M49
K23O01B KC2023 07 20.85018 15 49 56.00 -15 23 24.3 VEO057104
K23O01B KC2023 07 20.86522 15 49 59.14 -15 22 01.5 19.7 GVEO057104
K23O01B KB2023 07 20.87823 15 50 02.078-15 20 48.44 20.5 VZEO057J57
K23O01B KB2023 07 20.88514 15 50 03.461-15 20 10.18 20.1 VZEO057J57
K23O01B KB2023 07 20.89184 15 50 04.819-15 19 33.02 19.9 VZEO057J57
K23O01B KC2023 07 21.11300915 50 51.99 -14 59 16.1 20.6 VuEO057H21
K23O01B KC2023 07 21.11441215 50 52.28 -14 59 08.1 20.5 VuEO057H21
K23O01B KC2023 07 21.11721715 50 52.84 -14 58 52.9 20.6 VuEO057H21
K23O01B KC2023 07 21.12021015 50 53.48 -14 58 36.5 20.6 VuEO057H21
K23O01B KC2023 07 21.18161 15 51 05.34 -14 52 29.5 19.8 GVEO057X10
K23O01B KC2023 07 21.18719 15 51 06.44 -14 51 58.4 19.8 GVEO057X10
K23O01B KC2023 07 21.19277 15 51 07.67 -14 51 27.5 19.8 GVEO057X10
K23O01B C2023 07 21.59775 15 52 33.42 -14 15 09.8 19.6 RrEO057P93
K23O01B C2023 07 21.60048 15 52 33.96 -14 14 54.6 19.4 RrEO057P93
K23O01B C2023 07 21.60183 15 52 34.21 -14 14 46.7 19.7 RrEO057P93
K23O01B C2023 07 21.60455 15 52 34.82 -14 14 31.8 19.6 RrEO057P93
K23O01B C2023 07 21.60590 15 52 35.13 -14 14 24.0 19.3 RrEO057P93
K23O01B KC2023 07 21.89669215 53 36.81 -13 48 21.5 19.6 GXEO057I93
K23O01B KC2023 07 21.90828115 53 39.11 -13 47 19.3 20.4 GXEO057I93
K23O01B KB2023 07 22.74619 15 56 33.95 -12 32 43.5 19.8 VZEO057M49
K23O01B KB2023 07 22.75041 15 56 34.76 -12 32 21.6 19.6 VZEO057M49
K23O01B KB2023 07 22.75463 15 56 35.58 -12 31 59.6 19.6 VZEO057M49
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m F4 Reflector + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.81-m f/4.0 astrograph + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CMO.
J57 Centro Astronomico Alto Turia, Valencia. Observer A. Fornas. Measurers
A. Fornas, G. Fornas, E. Arce, V. Mas. 0.43-m f/6.8 Reflector 0.4m + CMO.
M49 IAS Remote Observatory, Hakos. Observers D. Husar, M. Junius. Measurer
D. Husar. 0.25-m f/4.6 reflector + CCD, 0.25-m f/4.6 reflector + CMO.
P93 Space Tracking and Communications Center, JAXA. Observers S. Urakawa, T.
Nimura. 1.0-m f/3.0 reflector + CCD.
W94 MAP, San Pedro de Atacama. Observers A. Maury, G. Attard. Measurers A.
Maury, G. Attard, D. Parrott, F. Signoret. 0.28-m f/2.2 Schmidt
astrograph + CCD.
X10 OVTLN, San Pedro de Atacama. Observers A. Maury, G. Attard, F. Signoret.
Measurers A. Maury, G. Attard, D. Parrott, J.-M. Mari. 0.50-m f/4
reflector + CCD.
Orbital elements:
2023 OB1 Earth MOID = 0.1825 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 MPC
M 20.71471 (2000.0) P Q
n 0.34531028 Peri. 357.16518 +0.18396736 +0.85777637
a 2.0121625 Node 283.07140 -0.89185199 -0.05961917
e 0.4040125 Incl. 29.52098 -0.41322638 +0.51055387
P 2.85 H 20.40 G 0.15 U 9
Residuals in seconds of arc
230720 W94 0.0 0.3- 230720 104 0.8- 0.1- 230721 P93 0.0 0.2+
230720 W94 0.5+ 0.2- 230720 104 0.2+ 0.5- 230721 P93 0.2- 0.5+
230720 W94 0.1- 0.4- 230720 J57 0.5+ 0.2- 230721 P93 0.5- 1.0+
230720 X10 0.5- 0.3+ 230720 J57 0.1+ 0.1- 230721 P93 0.3+ 1.1+
230720 X10 0.5+ 0.7+ 230720 J57 0.0 0.1- 230721 P93 0.8+ 1.6+
230720 X10 0.0 0.7+ 230721 H21 0.1- 0.2- 230721 I93 0.8+ 0.3+
230720 E23 0.4- 0.2+ 230721 H21 0.1- 0.2+ 230721 I93 0.4+ 0.1+
230720 E23 0.5+ 0.1- 230721 H21 0.1- 0.1- 230722 M49 0.0 0.1-
230720 E23 0.2+ 0.2+ 230721 H21 0.3+ 0.1- 230722 M49 0.2- 0.3-
230720 M49 0.2+ 0.0 230721 X10 0.2+ 0.0 230722 M49 0.2- 0.4-
230720 M49 0.1+ 0.1+ 230721 X10 0.5- 0.3+
230720 M49 0.2+ 0.4+ 230721 X10 0.6+ 0.5+
Ephemeris:
2023 OB1 a,e,i = 2.01, 0.40, 30 q = 1.1992
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 06 22 13 31 31.0 -59 55 04 0.3289 1.2208 121.5 45.2 20.1
...
2023 07 07 14 53 17.7 -38 49 02 0.2825 1.2019 125.2 43.7 19.7
...
2023 07 15 15 27 57.4 -24 56 17 0.2863 1.1992 123.7 44.9 19.8
...
2023 07 21 15 50 28.2 -15 09 18 0.3034 1.2007 120.9 46.5 20.0
2023 07 22 15 53 58.7 -13 38 48 0.3074 1.2012 120.4 46.9 20.0
2023 07 23 15 57 25.5 -12 10 47 0.3116 1.2019 119.8 47.2 20.0
...
2023 07 29 16 16 54.8 -04 18 04 0.3420 1.2073 116.5 48.8 20.3
...
2023 08 06 16 40 18.4 +03 46 48 0.3934 1.2190 112.2 50.4 20.7
...
2023 08 21 17 19 09.3 +13 06 39 0.5094 1.2538 106.3 50.8 21.3
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-O57
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