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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205789616922923 4.2445e-08  
a 2.24608457121917 1.016e-08 au
q 1.78386368773149 9.3088e-08 au
i 2.819092237179564 6.1149e-06 deg
node 47.4743741701436 8.9773e-05 deg
peri 275.3399763260166 9.1148e-05 deg
M 149.4417912382251 1.9407e-05 deg
tp 2457090.104134763960
(2015-Mar-08.60413476)
6.3971e-05 JED
period 1229.525623070662
3.37
8.3425e-06
2.284e-08
d
yr
n .2927958500782789 1.9867e-09 deg/d
Q 2.708305454706851 1.2251e-08 au
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      23500 days (64.34 yr)  
   first obs. used      1951-11-30  
   last obs. used      2016-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55556  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:05:38  

Additional Information
 Earth MOID = .773673 au 
 Jupiter MOID = 2.6058 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 15.1 mag n/a MPO350878  

9520 (1978 VV6)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
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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