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7929 (1987 SK12)
Classification: Main-belt Asteroid          SPK-ID: 2007929
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09659037228459287 5.2524e-08  
a 2.229546838301018 1.4446e-08 AU
q 2.014194079163586 1.1885e-07 AU
i 1.53581630270094 6.3279e-06 deg
node 79.66302493963866 0.00019907 deg
peri 95.39160835582612 0.00020215 deg
M 174.2485228764295 3.6314e-05 deg
tp 2456211.941099145818
(2012-Oct-11.44109915)
0.00012097 JED
period 1215.971308162902
3.33
1.1818e-05
3.236e-08
d
yr
n .2960596171828188 2.8775e-09 deg/d
Q 2.44489959743845 1.5842e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1077  
   data-arc span      12646 days (34.62 yr)  
   first obs. used      1979-01-24  
   last obs. used      2013-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50534  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:07:19  

Additional Information
 Earth MOID = 1.01966 AU 
 T_jup = 3.636 
[ 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 13.9 mag n/a MPO270229  

7929 (1987 SK12)          Discovered 1987-Sep-16 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 SK12 = 1979 BP1 = 1996 FK5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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