MPEC 2013-J07 : COMET P/2013 EV9 (SPACEWATCH)
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M.P.E.C. 2013-J07 Issued 2013 May 2, 15:53 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
COMET P/2013 EV9 (SPACEWATCH)
Observations:
PK13E09V C2013 02 02.45995 11 48 46.76 +00 17 29.4 oEJ007691
PK13E09V C2013 02 02.47759 11 48 47.11 +00 17 37.0 oEJ007691
PK13E09V C2013 02 02.49524 11 48 47.42 +00 17 42.7 oEJ007691
PK13E09V C2013 02 06.41154 11 50 02.96 +00 46 44.4 20.7 ToEJ007691
PK13E09V C2013 02 06.42983 11 50 03.18 +00 46 53.1 20.5 ToEJ007691
PK13E09V C2013 02 06.44949 11 50 03.43 +00 47 02.9 21.1 ToEJ007691
PK13E09V C2013 02 14.40515 11 51 27.14 +01 59 48.8 19.7 TrEJ007703
PK13E09V C2013 02 14.41529 11 51 27.07 +01 59 55.0 19.5 TrEJ007703
PK13E09V C2013 02 14.42547 11 51 27.25 +02 00 01.2 19.3 TrEJ007703
PK13E09V C2013 02 14.43574 11 51 27.25 +02 00 07.1 19.8 TrEJ007703
PK13E09V C2013 03 02.27780 11 50 05.01 +05 11 21.5 19.2 ToEJ007691
PK13E09V C2013 03 02.29544 11 50 04.80 +05 11 35.7 19.7 ToEJ007691
PK13E09V C2013 03 02.31311 11 50 04.48 +05 11 50.2 19.4 ToEJ007691
PK13E09V C2013 03 05.78935 11 49 10.45 +05 59 23.2 18.6 TrEJ007D29
PK13E09V C2013 03 05.80623 11 49 10.09 +05 59 36.9 18.7 TrEJ007D29
PK13E09V C2013 03 05.82309 11 49 09.78 +05 59 51.0 18.8 TrEJ007D29
PK13E09V C2013 03 23.23831 11 43 22.13 +09 58 23.0 18.4 TNEJ007I41
PK13E09V C2013 03 23.26830 11 43 21.47 +09 58 45.9 18.4 TNEJ007I41
PK13E09V C2013 03 23.30417 11 43 20.66 +09 59 13.9 18.1 TNEJ007I41
PK13E09V C2013 03 24.31088 11 43 00.96 +10 12 00.0 18.5 TNEJ007I41
PK13E09V C2013 03 24.34025 11 43 00.32 +10 12 22.1 18.2 TNEJ007I41
PK13E09V C2013 03 24.36971 11 42 59.67 +10 12 44.2 18.5 TNEJ007I41
PK13E09V C2013 04 01.20436 11 40 47.78 +11 44 17.1 18.0 TuEJ007703
PK13E09V C2013 04 01.21222 11 40 47.74 +11 44 24.3 18.3 TuEJ007703
PK13E09V C2013 04 01.22016 11 40 47.67 +11 44 29.6 18.3 TuEJ007703
PK13E09V C2013 04 01.22808 11 40 47.46 +11 44 34.9 18.1 TuEJ007703
PK13E09V C2013 04 07.15709 11 39 42.57 +12 42 53.8 18.9 ToEJ007691
PK13E09V C2013 04 07.18651 11 39 42.27 +12 43 10.0 18.9 ToEJ007691
PK13E09V C2013 04 07.21593 11 39 41.97 +12 43 25.3 18.8 ToEJ007691
PK13E09V 1C2013 04 28.40171 11 42 02.76 +14 38 26.0 cEJ007Q62
PK13E09V 1C2013 04 28.41470 11 42 03.03 +14 38 27.0 cEJ007Q62
PK13E09V 1C2013 04 28.44010 11 42 03.47 +14 38 29.5 18.2 TcEJ007Q62
PK13E09V C2013 04 28.56302 11 42 06.05 +14 38 36.9 18.3 TrEJ007D29
PK13E09V C2013 04 28.59182 11 42 06.67 +14 38 40.1 18.5 TrEJ007D29
PK13E09V C2013 04 28.61899 11 42 07.22 +14 38 41.2 18.7 TrEJ007D29
PK13E09V |C2013 04 29.15976 11 42 19.68 +14 39 42.8 18.5 TcEJ007H06
PK13E09V |C2013 04 29.16191 11 42 19.72 +14 39 43.0 18.7 TcEJ007H06
PK13E09V |C2013 04 29.16405 11 42 19.76 +14 39 43.0 18.8 TcEJ007H06
PK13E09V {C2013 04 29.17373611 42 19.968+14 39 44.32 18.9 TtEJ007695
PK13E09V {C2013 04 29.18954311 42 20.291+14 39 46.02 19.1 TtEJ007695
PK13E09V {C2013 04 29.20977211 42 20.709+14 39 48.40 19.0 TtEJ007695
PK13E09V KC2013 04 30.13251 11 42 42.89 +14 41 15.2 19.6 TtEJ007G84
PK13E09V KC2013 04 30.13584 11 42 42.95 +14 41 15.5 19.7 TtEJ007G84
PK13E09V KC2013 04 30.14161 11 42 43.08 +14 41 16.0 19.8 TtEJ007G84
PK13E09V {C2013 04 30.17096411 42 43.716+14 41 18.63 19.4 TtEJ007695
PK13E09V {C2013 04 30.22694111 42 44.962+14 41 23.39 19.1 TtEJ007695
PK13E09V {C2013 04 30.26912711 42 45.923+14 41 26.74 19.3 TtEJ007695
PK13E09V KC2013 05 01.12336 11 43 07.73 +14 42 30.7 19.1 TtEJ007H21
PK13E09V KC2013 05 01.13308 11 43 07.96 +14 42 31.3 19.2 TtEJ007H21
PK13E09V KC2013 05 01.14280 11 43 08.19 +14 42 31.9 19.3 TtEJ007H21
PK13E09V C2013 05 01.21687 11 43 10.03 +14 42 37.7 19.7 TtEJ007H01
PK13E09V C2013 05 01.21795 11 43 10.06 +14 42 37.8 19.7 TtEJ007H01
PK13E09V C2013 05 01.21873 11 43 10.08 +14 42 37.9 19.0 TtEJ007H01
PK13E09V C2013 05 01.21951 11 43 10.10 +14 42 37.9 19.1 TtEJ007H01
Observer details:
691 Steward Observatory, Kitt Peak. Observers T. H. Bressi, J. V. Scotti,
R. S. McMillan. 0.9-m f/3 reflector + CCD.
695 Kitt Peak. Observer T. Vorobjov. 1.3-m f/13 Cassegrain + CCD.
703 Catalina Sky Survey. Observer A. Boattini. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
R. A. Kowalski, S. M. Larson, R. H. McNaught, F. C. Shelly. 0.68-m
Schmidt + CCD.
D29 Purple Mountain Observatory, XuYi Station. Observers H. B. Zhao, B. Li,
H. Lu, Y. Xia, R. Q. Hong, L. F. Hu. Measurers H. B. Zhao, H. Lu,
G. Zhaori. 1.04-m f/1.8 Schmidt + CCD.
G84 Mount Lemmon SkyCenter. Observer A. Watkins. Measurers A. Watkins,
L. Buzzi. 0.81-m f/7 Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer B. Ryan. Measurers
L. Buzzi, S. Foglia, B. Ryan. 2.4-m f/8.9 reflector + CCD.
H06 iTelescope Observatory, Mayhill. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, S. Foglia, T. Vorobjov. 0.76-m f/4.0 astrograph + CCD.
I41 Palomar Mountain--PTF. Observer P. Transient Factory. Measurer
A. Waszczak. 1.2-m f/2.44 Schmidt + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
Orbital elements:
P/2013 EV9 (Spacewatch)
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5
T 2013 Apr. 7.16359 TT MPC
q 2.1252250 (2000.0) P Q
n 0.11732597 Peri. 22.10380 -0.99447281 +0.06750493
a 4.1324405 Node 161.22395 -0.08028747 -0.98248915
e 0.4857216 Incl. 14.46825 +0.06765909 -0.17366101
P 8.40
From 54 observations 2013 Feb. 2-May 1, mean residual 0".6.
P/2013 EV9 (Spacewatch)
Epoch 2021 Sept. 23.0 TT = JDT 2459480.5
T 2021 Sept. 8.86967 TT MPC
q 2.1323429 (2000.0) P Q
n 0.11702451 Peri. 22.24491 -0.99438932 +0.06834134
a 4.1395344 Node 161.12964 -0.08119228 -0.98236108
e 0.4848834 Incl. 14.45656 +0.06780633 -0.17405793
P 8.42
From 54 observations 2013 Feb. 2-May 1, mean residual 0".6.
Ephemeris:
P/2013 EV9 (Spacewatch)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2013 04 02 11 40 37.0 +11 52 48 1.1699 2.1256 156.9 10.6 18.7
...
2013 04 17 11 39 27.5 +13 55 02 1.2476 2.1268 141.5 17.1 19.0
...
2013 04 25 11 40 56.2 +14 29 50 1.3055 2.1303 133.9 19.9 19.2
...
2013 05 01 11 43 04.5 +14 42 25 1.3550 2.1342 128.6 21.6 19.4
2013 05 02 11 43 31.0 +14 43 26 1.3637 2.1350 127.8 21.9 19.4
2013 05 03 11 43 58.9 +14 44 09 1.3725 2.1358 126.9 22.2 19.4
...
2013 05 09 11 47 16.0 +14 42 23 1.4280 2.1412 122.0 23.6 19.5
...
2013 05 17 11 52 54.9 +14 25 01 1.5078 2.1502 115.8 25.1 19.7
...
2013 06 01 12 06 54.6 +13 13 51 1.6713 2.1722 105.3 26.8 20.0
Gareth V. Williams (C) Copyright 2013 MPC M.P.E.C. 2013-J07
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