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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09673787112306735 4.9866e-08  
a 2.229422966188643 9.1165e-09 au
q 2.01375333460668 1.1084e-07 au
i 1.535778191368364 4.4983e-06 deg
node 79.65491469769793 0.000183 deg
peri 95.1054468840928 0.00018459 deg
M 51.38404419522023 2.4007e-05 deg
tp 2457426.954676765557
(2016-Feb-08.45467677)
8.1093e-05 JED
period 1215.869971756932
3.33
7.4579e-06
2.042e-08
d
yr
n .2960842922042066 1.8161e-09 deg/d
Q 2.445092597770606 9.9984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1590  
   data-arc span      13598 days (37.23 yr)  
   first obs. used      1979-01-24  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49821  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:00:37  

Additional Information
 Earth MOID = 1.01815 au 
 Jupiter MOID = 2.51858 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
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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