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21218 (1994 VP7)
Classification: Main-belt Asteroid          SPK-ID: 2021218
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1755961746937996 5.9584e-08  
a 2.999635308459509 2.6224e-08 au
q 2.472910822817564 1.7846e-07 au
i 13.42337562200101 6.8485e-06 deg
node 57.30838063203352 3.0264e-05 deg
peri 9.58371918685055 3.7504e-05 deg
M 54.8365436197695 2.0574e-05 deg
tp 2457311.452854559757
(2015-Oct-15.95285456)
0.00010825 JED
period 1897.584448064543
5.20
2.4884e-05
6.813e-08
d
yr
n .1897148769147981 2.4879e-09 deg/d
Q 3.526359794101454 3.0829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      9649 days (26.42 yr)  
   first obs. used      1989-10-02  
   last obs. used      2016-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50297  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:40:10  

Additional Information
 Earth MOID = 1.48582 au 
 Jupiter MOID = 1.83311 au 
 T_jup = 3.189 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO347687  

21218 (1994 VP7)          Discovered 1994-Nov-07 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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