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212871 (2007 VG169)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212871
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1556338063807452 5.2726e-08  
a 3.204703646338853 2.9821e-08 au
q 2.705943419536883 1.7118e-07 au
i 1.431171363774159 5.1494e-06 deg
node 241.5820148125969 0.00026788 deg
peri 241.005382349621 0.00026875 deg
M 33.16975715408253 1.9155e-05 deg
tp 2458807.427673510256
(2019-Nov-19.92767351)
0.00011162 TDB
period 2095.464166753877
5.74
2.9249e-05
8.008e-08
d
yr
n .1717996450197871 2.398e-09 deg/d
Q 3.703463873140822 3.4462e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      8510 days (23.30 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:58:16  

Additional Information
 Earth MOID = 1.72206 au 
 Jupiter MOID = 1.38374 au 
 T_jup = 3.174 
[ 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 16.2   n/a MPO427253  

212871 (2007 VG169)          Discovered 2007-Nov-05 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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