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

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1591562456907271 2.989e-08  
a 2.604150200881049 1.1586e-08 au
q 2.189683431694068 7.7355e-08 au
i 13.13336911209834 4.9673e-06 deg
node 170.2291437302926 1.4196e-05 deg
peri 120.7009568748072 2.1139e-05 deg
M 173.8422345849395 1.5279e-05 deg
tp 2457859.274645652130
(2017-Apr-15.77464565)
6.4845e-05 TDB
period 1534.961444796974
4.20
1.0244e-05
2.805e-08
d
yr
n .2345335781692005 1.5652e-09 deg/d
Q 3.01861697006803 1.343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1775  
   data-arc span      9713 days (26.59 yr)  
   first obs. used      1992-09-21  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45995  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:23:15  

Additional Information
 Earth MOID = 1.20587 au 
 Jupiter MOID = 2.31774 au 
 T_jup = 3.358 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO365619  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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