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9520 (1978 VV6)
Classification: Main-belt Asteroid          SPK-ID: 2009520
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059098949712293 6.0053e-08  
a 2.246108320390263 1.3058e-08 AU
q 1.7836123920447 1.3446e-07 AU
i 2.819200594550494 6.9207e-06 deg
node 47.47975200492349 0.00013652 deg
peri 275.4284389665833 0.00013739 deg
M 275.1276661312353 1.9981e-05 deg
tp 2457090.373234054266
(2015-Mar-08.87323405)
6.9875e-05 JED
period 1229.545123866812
3.37
1.0722e-05
2.936e-08
d
yr
n .2927912062859729 2.5533e-09 deg/d
Q 2.708604248735826 1.5747e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      22775 days (62.35 yr)  
   first obs. used      1951-11-30  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59573  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:56:49  

Additional Information
 Earth MOID = .772945 AU 
 T_jup = 3.601 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO263434  

9520 (1978 VV6)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar (675)
Reference: 19981110/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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