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21905 (1999 VX14)
Classification: Main-belt Asteroid          SPK-ID: 2021905
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08922871824473513 3.3322e-08  
a 2.313578330752396 6.66e-09 au
q 2.107140701740566 7.5542e-08 au
i 1.957385738447017 2.4958e-06 deg
node 279.6879283403345 0.00010989 deg
peri 246.5227351209918 0.000111 deg
M 206.441628201194 1.6041e-05 deg
tp 2459748.771582670788
(2022-Jun-18.27158267)
5.7908e-05 TDB
period 1285.359876178489
3.52
5.5502e-06
1.52e-08
d
yr
n .2800772038025008 1.2094e-09 deg/d
Q 2.520015959764226 7.2543e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1514  
   data-arc span      9858 days (26.99 yr)  
   first obs. used      1994-01-16  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:54:59  

Additional Information
 Earth MOID = 1.11461 au 
 Jupiter MOID = 2.45414 au 
 T_jup = 3.577 
[ 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 15.81   n/a E2021B10  

21905 (1999 VX14)          Discovered 1999-Nov-02 by Spacewatch at Kitt Peak
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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