NOSS 3-3 obs and elements

From: Ted Molczan (molczan@rogers.com)
Date: Fri Feb 04 2005 - 10:06:43 EST

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The catalogue numbers and International Designations I am using are subject to
change:

71001 05004A leading payload
71002 05004B trailing payload
71003 05004C Centaur

The International Designation conforms to long-standing convention, appropriate
to the 4th launch of 2005, with the two payloads receiving the first letters in
the sequence.

I based the elements on observations by Daniel Deak, Bjorn Gimle and myself,
during 2005 Feb 03-04:

NOSS 3-3 (A)     0.0  0.0  0.0  4.0 v
1 71001U 05004A   05035.43286415  .00000011  00000-0  20000-4 0    05
2 71001  63.4167 159.4239 0132437 179.7263 180.3856 13.39717076    01
NOSS 3-3 (B)     0.0  0.0  0.0  4.0 v
1 71002U 05004B   05035.43291763  .00000011  00000-0  20000-4 0    08
2 71002  63.4167 159.4276 0132437 179.7263 180.3856 13.39647625    05
NOSS 3-3 r       0.0  0.0  0.0  4.7 v
1 71003U 05004C   05035.43081726  .00000018  00000-0  30000-4 0    03
2 71003  63.4565 159.1147 0132437 179.7263 180.3858 13.42408508    03

The payloads' elsets should be accurate until their first manoeuvres. For now,
they are separating at the rate of about 4.5 s/day. I have greater doubt about
the Centaur's elements, but they should be sufficient for tracking.

My first points of A and B are not as accurate as my latter ones.

71003 05 004C   2701 F 20050204103915940 17 25 0745470+504913 28 R
71001 05 004A   2701 F 20050204104219940 17 25 0747356+510720 28 S
71002 05 004B   2701 F 20050204104224690 17 25 0745115+505584 28 S
71001 05 004A   2701 F 20050204104312820 17 25 0705713+594622 57 S
71002 05 004B   2701 F 20050204104317690 17 25 0705713+594621 57 S
71001 05 004A   2701 F 20050204104355340 17 25 0612987+654440 28 S
71002 05 004B   2701 F 20050204104400170 17 25 0612987+654440 28 S

What these numbers mean: http://www.satobs.org/position/IODformat.html

Site 2701: 43.68764 N, 79.39243 W, 230 m

Ted Molczan


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