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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588646998955008 3.6333e-08  
a 2.604206603187588 1.6201e-08 au
q 2.19049010270631 9.8841e-08 au
i 13.1349067649221 6.6422e-06 deg
node 170.2458019846756 2.012e-05 deg
peri 120.5118104480396 3.1623e-05 deg
M 299.4862284019169 2.4975e-05 deg
tp 2457858.525899952316
(2017-Apr-15.02589995)
0.00010681 JED
period 1535.011312793075
4.20
1.4324e-05
3.922e-08
d
yr
n .234525958864076 2.1885e-09 deg/d
Q 3.017923103668866 1.8774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1168  
   data-arc span      8607 days (23.56 yr)  
   first obs. used      1992-09-21  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46968  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:56:56  

Additional Information
 Earth MOID = 1.20719 au 
 Jupiter MOID = 2.31194 au 
 T_jup = 3.358 
[ 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 13.4 mag 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 | Physical Parameters | Discovery Circumstances ]
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