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305561 (2008 VA23)
Classification: Main-belt Asteroid          SPK-ID: 2305561
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04702242193813847 6.0058e-08  
a 2.438649098054441 2.072e-08 au
q 2.323977911206664 1.5064e-07 au
i 8.251655837044341 7.2137e-06 deg
node 90.80153209067841 4.0854e-05 deg
peri 49.47937389043074 8.8077e-05 deg
M 342.0803390145724 7.8584e-05 deg
tp 2459069.738824376874
(2020-Aug-08.23882438)
0.00030369 TDB
period 1390.984840390936
3.81
1.7728e-05
4.854e-08
d
yr
n .258809434543386 3.2984e-09 deg/d
Q 2.553320284902218 2.1694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      6973 days (19.09 yr)  
   first obs. used      2000-12-25  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51995  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:56:01  

Additional Information
 Earth MOID = 1.3472 au 
 Jupiter MOID = 2.47185 au 
 T_jup = 3.487 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO455250  

305561 (2008 VA23)          Discovered 2008-Nov-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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