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117306 (2004 VF21)
Classification: Main-belt Asteroid          SPK-ID: 2117306
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .20545485936943 4.0272e-08  
a 2.268987415551672 1.1538e-08 au
q 1.802812925178497 9.2738e-08 au
i 4.067377004322564 3.6448e-06 deg
node 82.47812922307723 6.4856e-05 deg
peri 261.4209132172682 6.5347e-05 deg
M 246.2744430528923 1.0308e-05 deg
tp 2459394.868418861965
(2021-Jun-29.36841886)		 3.7501e-05 TDB
period 1248.379296628435
3.42		 9.5219e-06
2.607e-08		 d
yr
n .2883738948349041 2.1995e-09 deg/d
Q 2.735161905924848 1.3908e-08 au
   Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      8782 days (24.04 yr)  
   first obs. used      1996-04-09  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58514  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:11:33  

Additional Information
 Earth MOID = .800628 au 
 Jupiter MOID = 2.67701 au 
 T_jup = 3.583 
[ 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 16.4   n/a MPO417610  

117306 (2004 VF21)          Discovered 2004-Nov-04 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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