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305161 (2007 VA222)
Classification: Main-belt Asteroid          SPK-ID: 2305161
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839290691400148 6.0721e-08  
a 2.632384329410583 2.8206e-08 au
q 2.148212330083332 1.728e-07 au
i 10.31377280943236 6.0328e-06 deg
node 51.47093086714284 3.9005e-05 deg
peri 337.9588599887267 4.5159e-05 deg
M 356.8571786761203 2.7914e-05 deg
tp 2459014.118822589405
(2020-Jun-13.61882259)
0.00012112 TDB
period 1559.992003024051
4.27
2.5073e-05
6.865e-08
d
yr
n .2307704137599029 3.709e-09 deg/d
Q 3.116556328737834 3.3393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      6626 days (18.14 yr)  
   first obs. used      2001-05-15  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:20  

Additional Information
 Earth MOID = 1.15798 au 
 Jupiter MOID = 2.32658 au 
 T_jup = 3.352 
[ 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 MPO476358  

305161 (2007 VA222)          Discovered 2007-Nov-06 by PMO NEO Survey Program at Purple Mountain
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2007 VA222 = 2003 YA7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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