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212884 (2007 VD252)
Classification: Main-belt Asteroid          SPK-ID: 2212884
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05657259632463503 4.6449e-08  
a 2.812322908350423 2.8911e-08 au
q 2.653222499721791 1.3954e-07 au
i 4.59380980137416 6.7283e-06 deg
node 128.3089399201969 8.237e-05 deg
peri 137.5953774105405 0.00010962 deg
M 21.69846564015031 7.385e-05 deg
tp 2458896.670030221087
(2020-Feb-17.17003022)
0.00035322 TDB
period 1722.646648860001
4.72
2.6563e-05
7.273e-08
d
yr
n .2089807565807172 3.2225e-09 deg/d
Q 2.971423316979055 3.0546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      9270 days (25.38 yr)  
   first obs. used      1993-12-14  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62022  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:00:04  

Additional Information
 Earth MOID = 1.63947 au 
 Jupiter MOID = 2.07367 au 
 T_jup = 3.313 
[ 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 16.1   n/a MPO433391  

212884 (2007 VD252)          Discovered 2007-Nov-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 VD252 = 2009 BN91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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