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102851 (1999 VX212)
Classification: Main-belt Asteroid          SPK-ID: 2102851
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142249104641242 3.7855e-08  
a 2.641003150425118 1.2607e-08 au
q 2.339334802032339 1.0524e-07 au
i 4.840807997512043 4.0947e-06 deg
node 112.3531808284188 5.9241e-05 deg
peri 305.2252312576781 6.418e-05 deg
M 324.0117739712137 2.4685e-05 deg
tp 2459357.214703183610
(2021-May-22.71470318)
0.00010778 TDB
period 1567.659742410548
4.29
1.1225e-05
3.073e-08
d
yr
n .2296416692096959 1.6444e-09 deg/d
Q 2.942671498817897 1.4047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      10077 days (27.59 yr)  
   first obs. used      1993-05-25  
   last obs. used      2020-12-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54111  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:32:34  

Additional Information
 Earth MOID = 1.35496 au 
 Jupiter MOID = 2.35741 au 
 T_jup = 3.381 
[ 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 15.84   n/a E2021B55  

102851 (1999 VX212)          Discovered 1999-Nov-12 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 VX212 = 1999 XK261 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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