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226221 (2002 VJ94)
Classification: Main-belt Asteroid          SPK-ID: 2226221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2301296281894194 4.0267e-08  
a 2.303801565385543 1.1066e-08 au
q 1.773628567721165 9.5527e-08 au
i 9.698103739178052 4.703e-06 deg
node 67.20649104193429 3.7039e-05 deg
peri 342.1899161090197 3.9871e-05 deg
M 81.60603318608626 1.5023e-05 deg
tp 2458910.975182011081
(2020-Mar-02.47518201)
5.2619e-05 TDB
period 1277.220940740223
3.50
9.2027e-06
2.52e-08
d
yr
n .2818619617928902 2.0309e-09 deg/d
Q 2.83397456304992 1.3613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2002-10-11  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50722  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:08:23  

Additional Information
 Earth MOID = .786398 au 
 Jupiter MOID = 2.55044 au 
 T_jup = 3.535 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457761.5 (2017-Jan-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2300148566261946 4.041e-08  
q 1.773753929738245 9.5849e-08 au
tp 2457631.365486502189
(2016-Aug-30.86548650)
5.0375e-05 TDB
node 67.23924829333119 3.7076e-05 deg
peri 341.6772208201403 3.9894e-05 deg
i 9.694664817957969 4.7008e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2002-10-11  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50722  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:08:23  

Additional Information
 Jupiter MOID = 2.55044 au 
 T_jup = 3.535 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.632936636803842E-15 -3.859118279859615E-15 -3.378158692831294E-13 2.054235169255986E-14 -1.192034230144581E-13 -1.488912298915785E-15
q -3.859118279859615E-15 9.187062191319446E-15 8.527549513687176E-13 -4.771115887914075E-14 2.950487126667644E-13 4.052216870933896E-15
tp -3.378158692831294E-13 8.527549513687176E-13 2.537654655148171E-9 7.166616280254606E-12 7.804650628057346E-10 7.481719537069516E-12
node 2.054235169255986E-14 -4.771115887914075E-14 7.166616280254606E-12 1.374666443348223E-9 -1.352701285356259E-9 -1.046436080728045E-11
peri -1.192034230144581E-13 2.950487126667644E-13 7.804650628057346E-10 -1.352701285356259E-9 1.591546388039002E-9 1.244800188003242E-11
i -1.488912298915785E-15 4.052216870933896E-15 7.481719537069516E-12 -1.046436080728045E-11 1.244800188003242E-11 2.209797481015172E-11

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 15.8   n/a MPO418208  
diameter diameter 1.619 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.425   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226221 (2002 VJ94)          Discovered 2002-Nov-12 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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