SATOBS ML (remote), 9 Jul 2015 (Pt I): 2010-050B (Chang'e 2 rb)

From: Marco Langbroek via Seesat-l <seesat-l_at_satobs.org>
Date: Fri, 10 Jul 2015 13:25:15 +0200
37175 10 050B   9331 F 20150709112232000 17 75 1609393+156408 56 S+163 10
37175 10 050B   9331 F 20150709112352000 17 75 1609401+156464 56 S+165 10
37175 10 050B   9331 F 20150709112512000 17 75 1609409+156520 56 S+162 10
37175 10 050B   9331 F 20150709112754000 17 75 1609424+156638 56 S+166 10
37175 10 050B   9331 F 20150709112914000 17 75 1609432+156693 56 S+163 10
37175 10 050B   9331 F 20150709113035000 17 75 1609440+156755 56 S+164 10
37175 10 050B   9331 F 20150709113155000 17 75 1609447+156804 56 S+161 10
37175 10 050B   9331 F 20150709113317000 17 75 1609455+156864 56 S+162 10
37175 10 050B   9331 F 20150709113438000 17 75 1609463+156923 56 S+164 10

----------------------------------------------------------------------
0.51-meter F/6.3 Dall-Kirkham + CCD + Astrometrica + UCAC4
Warrumbungle Obs., NSW, Australia   31.27517 S, 149.19453 E, 552 m ASL
What these numbers mean: http://www.satobs.org/position/IODformat.html
----------------------------------------------------------------------


2010-050B, the upper stage of the Chinese Chang'e 2 Lunar mission, was at a
distance of approximately 427800 km at the time of observation. It is steady in
brightness, unlike 2013-070B.

Updated elements for this trans-lunar object, based on the arc 14 Jun - 9 Jul 2015:

Orbital elements:  2010-050B Chang'e 2 rb
Perigee 2015 Jul 18.640473 +/- 0.000246 TT = 15:22:16 (JD 2457222.140473)
Epoch 2015 Jul  9.0 TT = JDT 2457212.5     Find_Orb

M 228.28105 +/- 0.0036
n  13.66312065 +/- 2.94e-5          Peri.  166.31315 +/- 0.0017
a 374027.530 +/- 0.536 km           Node   224.24402 +/- 0.00013
e   0.2218830 +/- 1.53e-5           Incl.   40.64094 +/- 0.00007
P  26.35d
q 291037.163 +/- 5.33 km            Q 457017.896 +/- 6.39 km

24 observations 2015 Jun 14-July 9; mean residual 0".633

Chang'e 2 rb
1 00000U          15190.00000000  .00000000  00000-0  00000-0 0    09
2 00000  40.6396 224.4626 2190788 165.6745 228.9387  0.03768556    04


Same observations as above, but in MPC format:

NET UCAC-4
2010-050B     C2015 07 09.47398 16 09 39.31 +15 38 27.0          16.3 R      Q65
2010-050B     C2015 07 09.47491 16 09 40.07 +15 38 47.1          16.5 R      Q65
2010-050B     C2015 07 09.47583 16 09 40.85 +15 39 07.3          16.2 R      Q65
2010-050B     C2015 07 09.47771 16 09 42.38 +15 39 49.5          16.6 R      Q65
2010-050B     C2015 07 09.47863 16 09 43.15 +15 40 09.5          16.3 R      Q65
2010-050B     C2015 07 09.47957 16 09 43.96 +15 40 31.7          16.4 R      Q65
2010-050B     C2015 07 09.48050 16 09 44.70 +15 40 49.6          16.1 R      Q65
2010-050B     C2015 07 09.48145 16 09 45.50 +15 41 11.2          16.2 R      Q65
2010-050B     C2015 07 09.48238 16 09 46.31 +15 41 32.2          16.4 R      Q65


- Marco


-----
Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
e-mail: sattrackcam_at_langbroek.org

Cospar 4353 (Leiden):   52.15412 N, 4.49081 E (WGS84), +0 m ASL
Cospar 4355 (Cronesteyn): 52.13878 N, 4.49937 E (WGS84), -2 m ASL
Station (b)log: http://sattrackcam.blogspot.com
Twitter: _at_Marco_Langbroek
-----


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Received on Fri Jul 10 2015 - 06:25:54 UTC

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