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30882 Tomhenning (1992 SG2)
Classification: Main-belt Asteroid          SPK-ID: 2030882
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608030249427455 4.6767e-08  
a 2.602551417701776 2.0549e-08 AU
q 2.1840532771663 1.2135e-07 AU
i 13.12431933815521 7.6094e-06 deg
node 170.2929455547115 2.7311e-05 deg
peri 120.1414143079266 3.9119e-05 deg
M 112.3085920758681 2.7276e-05 deg
tp 2456322.081586351144
(2013-Jan-29.58158635)
0.00011625 JED
period 1533.548108209217
4.20
1.8163e-05
4.973e-08
d
yr
n .234749727167272 2.7803e-09 deg/d
Q 3.021049558237253 2.3854e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      901  
   data-arc span      7739 days (21.19 yr)  
   first obs. used      1992-09-21  
   last obs. used      2013-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50272  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Dec-20 08:32:18  

Additional Information
 Earth MOID = 1.20066 AU 
 T_jup = 3.359 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO267816  

30882 Tomhenning           Discovered 1992 Sept. 21 by L. D. Schmadel and F. Börngen at Tautenburg.
Thomas Henning (b. 1956), managing director of the Heidelberg Max-Planck-Institute for Astronomy, is a leading expert in the fields of the formation of stars and planets, as well as in laboratory astrophysics. The name was suggested by the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

Alternate Designations
 1992 SG2 = 1999 FR23 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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