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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2059400736242099 5.2514e-08  
a 2.246393071102248 1.243e-08 AU
q 1.783770716650536 1.1963e-07 AU
i 2.819025477893074 6.4823e-06 deg
node 47.47874930058077 0.00011483 deg
peri 275.3969561039243 0.00011587 deg
M 333.7113190419375 1.9542e-05 deg
tp 2457090.303517588911
(2015-Mar-08.80351759)
6.7261e-05 JED
period 1229.778944922408
3.37
1.0207e-05
2.795e-08
d
yr
n .2927355371356711 2.4297e-09 deg/d
Q 2.709015425553959 1.499e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      737  
   data-arc span      23273 days (63.72 yr)  
   first obs. used      1951-11-30  
   last obs. used      2015-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5673  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:28:09  

Additional Information
 Earth MOID = .774957 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
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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