"Pseudo-MPEC" for C/2009 B9
Created Sat May 25 15:20:47 2013 using Find_Orb
Astrometry:
CK09B090 4S2009 01 28.65546 23 53 06.6 -05 53 31 67925C49
CK09B090 4s2009 01 28.65546 2 -0.33943601 -0.57767497 -0.25199243 67925C49
CK09B090 4S2009 01 28.71101 23 52 36.3 -05 48 44 67925C49
CK09B090 4s2009 01 28.71101 2 -0.33880938 -0.57800482 -0.25213371 67925C49
CK09B090 4S2009 01 28.73879 23 52 06.7 -05 43 31 67925C49
CK09B090 4s2009 01 28.73879 2 -0.33849593 -0.57816954 -0.25220425 67925C49
CK09B090 3S2009 01 29.23754 21 01 15.3 -20 00 54 66425249
CK09B090 3s2009 01 29.23754 2 +0.00808441 -0.00654141 -0.00371375 66425249
CK09B090 3S2009 01 29.26254 21 00 53.6 -19 55 50 66425249
CK09B090 3s2009 01 29.26254 2 +0.00808536 -0.00654046 -0.00371357 66425249
CK09B090 3S2009 01 29.27921 21 00 33.2 -19 50 48 x 66425249
CK09B090 3s2009 01 29.27921 2 +0.00808599 -0.00653983 -0.00371344 66425249
CK09B090 3S2009 01 29.32088 21 00 06.7 -19 44 33 66425249
CK09B090 3s2009 01 29.32088 2 +0.00808756 -0.00653824 -0.00371313 66425249
CK09B090 3S2009 01 29.34587 20 59 49.7 -19 39 58 66425249
CK09B090 3s2009 01 29.34587 2 +0.00808850 -0.00653730 -0.00371294 66425249
CK09B090 3S2009 01 29.36254 20 59 27.1 -19 36 17 66425249
CK09B090 3s2009 01 29.36254 2 +0.00808913 -0.00653666 -0.00371282 66425249
CK09B090 3S2009 01 29.38754 20 59 06.5 -19 31 14 66425249
CK09B090 3s2009 01 29.38754 2 +0.00809006 -0.00653572 -0.00371263 66425249
CK09B090 3S2009 01 29.40421 20 58 50.8 -19 27 33 66426249
CK09B090 3s2009 01 29.40421 2 +0.00809069 -0.00653508 -0.00371250 66426249
CK09B090 3S2009 01 29.43080 20 58 21.4 -19 21 30 66426249
CK09B090 3s2009 01 29.43080 2 +0.00809168 -0.00653407 -0.00371230 66426249
CK09B090 3S2009 01 29.44587 20 58 12.4 -19 18 38 66426249
CK09B090 3s2009 01 29.44587 2 +0.00809224 -0.00653350 -0.00371219 66426249
CK09B090 3S2009 01 29.47112 20 57 43.5 -19 12 46 66426249
CK09B090 3s2009 01 29.47112 2 +0.00809318 -0.00653255 -0.00371200 66426249
CK09B090 3S2009 01 29.48754 20 57 21.5 -19 08 40 66426249
CK09B090 3s2009 01 29.48754 2 +0.00809379 -0.00653192 -0.00371187 66426249
CK09B090 3S2009 01 29.51254 20 57 05.3 -19 02 38 66426249
CK09B090 3s2009 01 29.51254 2 +0.00809472 -0.00653098 -0.00371168 66426249
Station data:
(249) SOHO.
(C49) STEREO-A.
Orbital elements: C/2009 B9
Perihelion 2009 Jan 29.786984 +/- 0.0165 TT = 18:53:15 (JD 2454861.286984)
Epoch 2009 Jan 29.0 TT = JDT 2454860.5 Earth MOID: 0.4698 Find_Orb
M 359.6849 +/- 0.8
n 0.4003376 +/- 0.91 Peri. 65.0215 +/- 11
a 1.8232730 +/- 2.96 Node 331.9882 +/- 7
e 0.997296 +/- 0.00215 Incl. 133.0487 +/- 0.09
P 2.46/899.22d U 12.7
q 737406.78 +/- 367769 Q 3.6416169 +/- 4.17
15 of 16 observations 2009 Jan. 28-29 (20.6 hr); mean residual 42".020.
Residuals in arcseconds:
090128 C49 31.2- 19.1+ 090129 249 1.76+ 25.9+ 090129 249 33.7+ 30.4-
090128 C49 92.5+ 75.4- 090129 249 71.7+ 9.84- 090129 249 7.83- 24.1-
090128 C49 56.1- 44.3+ 090129 249 35.9- 1.01+ 090129 249 72.5- 7.35-
090129 249 8.86- 47.8+ 090129 249 1.75- 15.8- 090129 249 87.2+ 1.95-
090129 249 29.6- 55.9+ 090129 249 1.18- 11.4-
090129 249( 123- 158+) 090129 249 51.9- .271+