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305186 (2007 VW312)
Classification: Main-belt Asteroid          SPK-ID: 2305186
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08308078195452986 6.3949e-08  
a 2.912925000925486 3.6557e-08 au
q 2.670916914073697 1.9293e-07 au
i 15.03085601082925 5.9584e-06 deg
node 80.83798090438074 2.393e-05 deg
peri 171.8464433437003 4.6156e-05 deg
M 37.95652677311312 3.9827e-05 deg
tp 2458809.040753283792
(2019-Nov-21.54075328)
0.00020125 TDB
period 1815.90189296927
4.97
3.4184e-05
9.359e-08
d
yr
n .1982485955842837 3.732e-09 deg/d
Q 3.154933087777275 3.9594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6378 days (17.46 yr)  
   first obs. used      2002-01-13  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59783  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:23  

Additional Information
 Earth MOID = 1.65678 au 
 Jupiter MOID = 1.90595 au 
 T_jup = 3.227 
[ 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 15.4   n/a MPO437355  

305186 (2007 VW312)          Discovered 2007-Nov-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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