MPEC 2004-F16 : 2004 ER21
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M.P.E.C. 2004-F16 Issued 2004 Mar. 17, 06:03 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.
Supported in part by the Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2004 ER21
Observations:
K04E21R* C2004 03 15.28742 11 25 51.94 +12 40 56.8 19.4 EF016704
K04E21R C2004 03 15.29843 11 25 43.06 +12 40 13.0 19.7 EF016704
K04E21R C2004 03 15.30939 11 25 34.00 +12 39 30.0 19.3 EF016704
K04E21R C2004 03 15.32046 11 25 24.94 +12 38 46.6 19.8 EF016704
K04E21R C2004 03 16.27786 11 13 13.92 +11 33 56.8 19.2 EF016704
K04E21R C2004 03 16.27796 11 13 13.85 +11 33 56.4 19.3 EF016704
K04E21R C2004 03 16.27841 11 13 13.40 +11 33 55.2 19.1 EF016704
K04E21R C2004 03 16.28940 11 13 04.28 +11 33 08.7 19.1 EF016704
K04E21R C2004 03 16.28950 11 13 04.24 +11 33 08.4 19.3 EF016704
K04E21R C2004 03 16.28959 11 13 04.12 +11 33 07.7 19.2 EF016704
K04E21R C2004 03 16.30099 11 12 54.50 +11 32 19.9 19.4 EF016704
K04E21R C2004 03 16.30136 11 12 54.27 +11 32 17.9 19.2 EF016704
K04E21R C2004 03 16.30146 11 12 54.30 +11 32 18.0 19.3 EF016704
K04E21R C2004 03 16.31223 11 12 45.25 +11 31 31.9 19.2 EF016704
K04E21R C2004 03 16.31273 11 12 44.82 +11 31 30.0 19.8 EF016704
K04E21R C2004 03 16.31283 11 12 44.80 +11 31 30.0 19.4 EF016704
K04E21R C2004 03 16.32348 11 12 35.80 +11 30 44.1 19.4 EF016704
K04E21R C2004 03 16.32405 11 12 35.37 +11 30 41.9 19.3 EF016704
K04E21R C2004 03 16.32415 11 12 35.26 +11 30 41.4 19.1 EF016704
K04E21R C2004 03 16.98839 11 04 00.78 +10 42 22.0 18.7 R EF016J95
K04E21R C2004 03 16.99613 11 03 54.38 +10 41 47.2 18.7 R EF016J95
K04E21R C2004 03 17.00260 11 03 46.94 +10 41 25.1 EF016246
K04E21R C2004 03 17.00292 11 03 46.71 +10 41 22.9 EF016246
K04E21R C2004 03 17.00358 11 03 46.15 +10 41 20.7 EF016246
K04E21R C2004 03 17.00394 11 03 46.06 +10 41 20.3 EF016246
K04E21R C2004 03 17.00432 11 03 45.58 +10 41 16.7 EF016246
Observer details:
246 Klet Observatory-KLENOT. Observer M. Tichy. 1.06-m KLENOT Telescope
+ CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
H. Stange, A. Milner. Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
1.0-m f/2.15 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.30-m f/6.3 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2004 ER21
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 338.81009 (2000.0) P Q
n 1.15507164 Peri. 343.10876 +0.94314862 +0.33231480
a 0.8996290 Node 357.45718 -0.28675048 +0.80423280
e 0.1697996 Incl. 7.93897 -0.16806199 +0.49272354
P 0.85 H 24.2 G 0.15 U 9
Residuals in seconds of arc
040315 704 0.5- 0.2+ 040316 704 0.0 0.1- 040316 704 0.4- 0.0
040315 704 1.3+ 0.5- 040316 704 1.5- 0.2+ 040316 J95 0.4- 0.5-
040315 704 0.2- 0.4- 040316 704 0.4- 0.2- 040316 J95 0.3- 1.3-
040315 704 0.4- 0.0 040316 704 1.3+ 0.3+ 040317 246 0.1- 0.6+
040316 704 0.0 0.3- 040316 704 0.4+ 0.2- 040317 246 0.4+ 0.2-
040316 704 0.2+ 0.3- 040316 704 0.2+ 0.1+ 040317 246 0.2+ 0.6+
040316 704 0.8- 0.4+ 040316 704 1.1+ 0.5+ 040317 246 (3.2+ 1.8+)
040316 704 0.0 0.1+ 040316 704 0.7- 0.1- 040317 246 0.8+ 0.1-
040316 704 0.6+ 0.2+ 040316 704 0.0 0.1+
Ephemeris:
2004 ER21 a,e,i = 0.90, 0.17, 8 q = 0.7450
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 03 16 11 16.81 +11 54.3 0.052 1.045 167.8 11.6 18.6
2004 03 18 10 50.79 +09 28.5 0.051 1.044 162.7 16.5 18.7
2004 03 20 10 24.60 +06 49.7 0.050 1.042 155.6 23.3 18.9
2004 03 22 09 59.10 +04 05.5 0.051 1.040 147.9 30.6 19.1
2004 03 24 09 35.04 +01 23.6 0.052 1.038 140.3 37.8 19.4
2004 03 26 09 12.90 -01 09.6 0.054 1.035 133.1 44.7 19.7
2004 03 28 08 52.93 -03 30.1 0.057 1.033 126.3 51.1 19.9
2004 03 30 08 35.15 -05 36.2 0.060 1.030 120.2 56.9 20.2
2004 04 01 08 19.43 -07 28.0 0.063 1.027 114.6 62.2 20.5
2004 04 03 08 05.57 -09 06.3 0.067 1.024 109.5 66.9 20.7
2004 04 05 07 53.35 -10 32.5 0.071 1.021 104.9 71.2 21.0
2004 04 07 07 42.53 -11 48.4 0.075 1.018 100.7 75.2 21.2
2004 04 09 07 32.90 -12 55.1 0.079 1.014 96.8 78.7 21.5
2004 04 11 07 24.28 -13 53.9 0.084 1.010 93.3 82.0 21.7
2004 04 13 07 16.51 -14 46.1 0.088 1.006 89.9 85.1 21.9
2004 04 15 07 09.44 -15 32.4 0.092 1.002 86.8 87.9 22.1
Kyle E. Smalley (C) Copyright 2004 MPC M.P.E.C. 2004-F16
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