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JPL Small-Body Database Browser
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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 ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04715108232324652 7.1982e-08  
a 2.4382309406672 2.5659e-08 au
q 2.323265712860715 1.7159e-07 au
i 8.251771489949682 7.2817e-06 deg
node 90.80172554314572 5.6533e-05 deg
peri 49.76916907249994 0.00010399 deg
M 238.2749083727688 9.0923e-05 deg
tp 2459070.706137250009
(2020-Aug-09.20613725)
0.00035374 TDB
period 1390.627085567418
3.81
2.1951e-05
6.01e-08
d
yr
n .2588760162492514 4.0864e-09 deg/d
Q 2.553196168473687 2.6868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      6920 days (18.95 yr)  
   first obs. used      2000-12-25  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53572  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:48:48  

Additional Information
 Earth MOID = 1.34695 au 
 Jupiter MOID = 2.47316 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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