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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09672821791593773 5.2363e-08  
a 2.229269126304062 1.3506e-08 AU
q 2.013635896461651 1.1874e-07 AU
i 1.535815760276339 5.8503e-06 deg
node 79.66211906488738 0.00019359 deg
peri 95.40555465732592 0.00019639 deg
M 233.4565926018746 3.581e-05 deg
tp 2457427.845566404759
(2016-Feb-09.34556640)
0.00012266 JED
period 1215.744123450813
3.33
1.1048e-05
3.025e-08
d
yr
n .2961149415044366 2.6909e-09 deg/d
Q 2.444902356146474 1.4812e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      13064 days (35.77 yr)  
   first obs. used      1979-01-24  
   last obs. used      2014-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50132  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:05:46  

Additional Information
 Earth MOID = 1.01974 AU 
 T_jup = 3.637 
[ 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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