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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1755243404846504 5.9819e-08  
a 2.99897256578706 2.7603e-08 au
q 2.472579884045727 1.7996e-07 au
i 13.42393646312209 7.0414e-06 deg
node 57.31444811326259 3.1587e-05 deg
peri 9.506692396902269 3.899e-05 deg
M 16.94789245836154 2.2114e-05 deg
tp 2457311.196112421051
(2015-Oct-15.69611242)
0.00011634 JED
period 1896.955601258851
5.19
2.619e-05
7.17e-08
d
yr
n .1897777679989442 2.6201e-09 deg/d
Q 3.525365247528395 3.2448e-08 au
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      9573 days (26.21 yr)  
   first obs. used      1989-10-02  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50354  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:47:20  

Additional Information
 Earth MOID = 1.48622 au 
 Jupiter MOID = 1.83573 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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