MPEC 2015-F08 : 2015 EF7
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M.P.E.C. 2015-F08 Issued 2015 Mar. 16, 19:02 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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
2015 EF7
Observations:
K15E07F* C2015 03 15.28225 09 24 08.98 +49 10 47.0 19.3 VqEF008703
K15E07F C2015 03 15.29981 09 24 02.23 +49 13 55.2 19.4 VqEF008703
K15E07F C2015 03 15.30858 09 23 58.89 +49 15 29.6 18.9 VqEF008703
K15E07F C2015 03 15.34731 09 23 44.25 +49 22 19.5 19.7 VqEF008703
K15E07F C2015 03 15.35563 09 23 41.40 +49 23 48.3 20.2 VqEF008703
K15E07F KC2015 03 15.69563 09 22 03.37 +50 27 03.6 18.3 RqEF008O75
K15E07F KC2015 03 15.69863 09 22 02.24 +50 27 36.5 19.6 RqEF008O75
K15E07F KC2015 03 15.70164 09 22 01.05 +50 28 08.2 18.8 RqEF008O75
K15E07F KC2015 03 15.70465 09 21 59.90 +50 28 42.7 19.9 RqEF008O75
K15E07F KC2015 03 16.07452 09 20 16.05 +51 39 42.2 19.5 RqEF008H36
K15E07F KC2015 03 16.07960 09 20 13.94 +51 40 43.0 19.6 RqEF008H36
K15E07F KC2015 03 16.08460 09 20 11.83 +51 41 42.8 18.7 RqEF008H36
K15E07F KC2015 03 16.08846 09 20 10.19 +51 42 29.9 18.6 RqEF008H36
K15E07F C2015 03 16.10524909 20 06.40 +51 45 51.1 18.9 RtEF008H01
K15E07F C2015 03 16.11232809 20 03.38 +51 47 16.4 19.2 RtEF008H01
K15E07F KC2015 03 16.11655 09 20 02.21 +51 48 10.6 19.0 RqEF008G48
K15E07F KC2015 03 16.11935 09 20 01.05 +51 48 44.6 19.2 RqEF008G48
K15E07F KC2015 03 16.12214 09 19 59.78 +51 49 18.3 19.0 RqEF008G48
K15E07F C2015 03 16.12257309 19 58.96 +51 49 19.3 19.7 RtEF008H01
K15E07F KC2015 03 16.12495 09 19 58.55 +51 49 52.7 19.2 RqEF008G48
K15E07F C2015 03 16.12778809 19 56.71 +51 50 21.8 19.6 RtEF008H01
K15E07F C2015 03 16.27022 09 18 53.61 +52 18 11.4 20.5 VqEF008I52
K15E07F C2015 03 16.27052 09 18 53.41 +52 18 15.3 20.5 VqEF008I52
K15E07F C2015 03 16.27082 09 18 53.28 +52 18 18.6 20.0 VqEF008I52
K15E07F C2015 03 16.27112 09 18 53.11 +52 18 21.9 20.0 VqEF008I52
K15E07F KC2015 03 16.75688 09 16 09.19 +53 53 10.8 19.8 RoEF008461
K15E07F KC2015 03 16.76238 09 16 06.55 +53 54 19.7 19.9 RoEF008461
Observer details:
461 University of Szeged, Piszkesteto Stn. (Konkoly). Observer K. Sarneczky.
0.60-m Schmidt + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, R. E. Hill,
J. A. Johnson, R. A. Kowalski, S. M. Larson, R. G. Matheny, F. C. Shelly.
0.68-m Schmidt + CCD.
G48 Doc Greiner Research Obs., Rancho Hildalgo. Observer M. Mills. 0.4-m
f/10 Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer A. R. Gibbs. Measurers
E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, R. E. Hill,
J. A. Johnson, R. A. Kowalski, S. M. Larson, R. G. Matheny, F. C. Shelly.
1.0-m reflector + CCD.
O75 ISON-Hureltogoot Observatory. Observers T. Namkhai, S. Schmalz. Measurer
S. Schmalz. 0.4-m f/2.3 reflector + CCD.
Orbital elements:
2015 EF7 Earth MOID = 0.0321 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 39.63129 (2000.0) P Q
n 0.74044625 Peri. 80.49994 -0.64994700 +0.75930718
a 1.2100603 Node 148.88884 -0.71928479 -0.60102280
e 0.2257747 Incl. 3.54635 -0.24535341 -0.24944780
P 1.33 H 24.3 G 0.15 U 6
Residuals in seconds of arc
150315 703 0.2+ 0.7+ 150316 H36 0.2- 0.3+ 150316 H01 0.2- 0.1-
150315 703 0.1+ 0.1+ 150316 H36 0.0 0.2+ 150316 G48 0.4- 0.7+
150315 703 0.1+ 0.6+ 150316 H36 0.0 0.1+ 150316 H01 0.1- 0.1-
150315 703 1.4- 1.1- 150316 H36 0.1- 1.0+ 150316 I52 0.5+ 0.5-
150315 703 0.5+ 0.2- 150316 H01 0.0 0.1- 150316 I52 0.1- 0.0
150315 O75 0.2+ 0.3+ 150316 H01 0.1- 0.0 150316 I52 0.0 0.1-
150315 O75 0.5+ 0.1+ 150316 G48 0.1- 0.4- 150316 I52 0.3- 0.2-
150315 O75 0.2+ 1.3- 150316 G48 0.3+ 0.1- 150316 461 0.5+ 0.5-
150315 O75 0.3+ 0.1+ 150316 G48 0.3- 0.0 150316 461 0.3- 0.5+
Ephemeris:
2015 EF7 a,e,i = 1.21, 0.23, 4 q = 0.9369
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 02 14 10 09 40.7 +09 17 07 0.1350 1.1217 173.4 5.8 20.7
...
2015 03 01 09 57 18.5 +20 41 58 0.08156 1.0688 162.7 16.0 19.9
...
2015 03 09 09 44 23.6 +33 14 50 0.06004 1.0421 144.5 33.6 19.7
...
2015 03 15 09 25 35.6 +48 18 16 0.04793 1.0233 126.1 51.7 19.7
2015 03 16 09 20 31.9 +51 24 53 0.04636 1.0202 122.5 55.3 19.7
2015 03 17 09 14 25.5 +54 41 45 0.04495 1.0172 118.8 59.0 19.7
...
2015 03 23 07 25 21.2 +76 10 22 0.04029 1.0001 93.9 83.8 20.3
...
2015 03 31 23 32 19.1 +66 50 13 0.04533 0.9797 63.9 113.7 21.9
...
2015 04 15 22 40 08.9 +34 49 49 0.07784 0.9511 46.4 130.2 24.4
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-F08
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