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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604639674820628 4.1533e-08  
a 2.603347762020967 1.941e-08 AU
q 2.185604251391533 1.0802e-07 AU
i 13.12432874742449 6.8424e-06 deg
node 170.2805287098486 2.4859e-05 deg
peri 120.2028509139077 3.5994e-05 deg
M 159.2100493767777 2.5203e-05 deg
tp 2456321.976829985434
(2013-Jan-29.47682999)
0.00010808 JED
period 1534.252028445591
4.20
1.7158e-05
4.698e-08
d
yr
n .2346420231653398 2.6241e-09 deg/d
Q 3.0210912726504 2.2524e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      945  
   data-arc span      8212 days (22.48 yr)  
   first obs. used      1992-09-21  
   last obs. used      2015-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48362  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:33:24  

Additional Information
 Earth MOID = 1.20398 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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