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312178 (2007 VX9)
Classification: Main-belt Asteroid          SPK-ID: 2312178
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371184743837351 4.6242e-08  
a 2.366218144827795 2.1318e-08 au
q 2.041765922749896 1.1221e-07 au
i 7.565545178834352 4.4669e-06 deg
node 92.95681234940406 4.0525e-05 deg
peri 212.7431992732963 4.4312e-05 deg
M 230.8701658970054 2.0502e-05 deg
tp 2459477.375147547046
(2021-Sep-19.87514755)
7.9063e-05 TDB
period 1329.476292674609
3.64
1.7967e-05
4.919e-08
d
yr
n .2707833166966525 3.6594e-09 deg/d
Q 2.690670366905695 2.4241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7008 days (19.19 yr)  
   first obs. used      2000-11-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54668  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:44:25  

Additional Information
 Earth MOID = 1.03096 au 
 Jupiter MOID = 2.52293 au 
 T_jup = 3.523 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO471270  

312178 (2007 VX9)          Discovered 2007-Nov-05 by Hug, G. at Eskridge
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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