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100947 (1998 OS12)
Classification: Main-belt Asteroid          SPK-ID: 2100947
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2199328322607811 5.1705e-08  
a 2.655834987211819 1.1932e-08 au
q 2.071729676457048 1.3404e-07 au
i 12.63873899783026 4.7716e-06 deg
node 319.6347029341684 2.3886e-05 deg
peri 58.95247430587235 2.8014e-05 deg
M 339.0406397580944 1.046e-05 deg
tp 2459092.539781742446
(2020-Aug-31.03978174)
4.5782e-05 TDB
period 1580.884198985831
4.33
1.0654e-05
2.917e-08
d
yr
n .2277206643161765 1.5347e-09 deg/d
Q 3.23994029796659 1.4557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1004  
   data-arc span      8153 days (22.32 yr)  
   first obs. used      1998-07-04  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49259  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:20  

Additional Information
 Earth MOID = 1.10293 au 
 Jupiter MOID = 2.36351 au 
 T_jup = 3.319 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO436470  

100947 (1998 OS12)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 OS12 = 2000 AV62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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