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187490 (2006 SJ212)
Classification: Inner Main-belt Asteroid          SPK-ID: 2187490
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08280905242772661 3.0523e-08  
a 1.907393702317058 6.5782e-09 au
q 1.749444237221569 5.9579e-08 au
i 20.50366447033457 5.7162e-06 deg
node 209.1661138876892 9.6891e-06 deg
peri 84.06923031650039 3.7347e-05 deg
M 219.7018960888998 3.4512e-05 deg
tp 2459575.480120567396
(2021-Dec-26.98012057)
9.2224e-05 TDB
period 962.1858003854485
2.63
4.9775e-06
1.363e-08
d
yr
n .3741481113687036 1.9355e-09 deg/d
Q 2.065343167412546 7.1229e-09 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      8213 days (22.49 yr)  
   first obs. used      1998-10-18  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52439  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:15:04  

Additional Information
 Earth MOID = .82828 au 
 Jupiter MOID = 3.03884 au 
 T_jup = 3.858 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.21   n/a MPCxxxxx  

187490 (2006 SJ212)          Discovered 2006-Sep-26 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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