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10976 Wubbena (2287 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2010976
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02168137365130999 7.1819e-08  
a 2.737218420045171 2.8863e-08 AU
q 2.677871764714923 2.0352e-07 AU
i 6.145211406903337 7.8503e-06 deg
node 174.402480806388 5.4533e-05 deg
peri 191.4292439355147 0.00016208 deg
M 36.01429993534656 0.00015588 deg
tp 2456835.023973391778
(2014-Jun-26.52397339)
0.00071571 JED
period 1654.103222495044
4.53
2.6163e-05
7.163e-08
d
yr
n .2176405892354028 3.4424e-09 deg/d
Q 2.796565075375419 2.9489e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      14536 days (39.80 yr)  
   first obs. used      1973-09-24  
   last obs. used      2013-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51282  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:58:10  

Additional Information
 Earth MOID = 1.6746 AU 
 T_jup = 3.343 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO266017  

10976 Wubbena           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Eltjo Wubbena (b. 1947) was president of the NVWS, the Dutch popular-astronomy society, from 1975 to 1985. He observed variable stars for many years and promoted international contacts between amateur astronomers. Name suggested by H. van Woerden and A. van de Brugge.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110517/MPCPages.arcLast Updated: 2011-06-24

[ show close-approach data ]
Alternate Designations
 2287 T-2 = 1991 RD15 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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