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312197 (2007 VK173)
Classification: Main-belt Asteroid          SPK-ID: 2312197
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428740132604135 5.0603e-08  
a 2.361926918702233 1.678e-08 au
q 2.024468940799443 1.2001e-07 au
i 4.497859062751011 5.236e-06 deg
node 153.7384929518647 5.4081e-05 deg
peri 224.8533671798409 5.6027e-05 deg
M 189.9398060530082 1.5844e-05 deg
tp 2459626.822884027586
(2022-Feb-16.32288403)
6.2261e-05 TDB
period 1325.86134954199
3.63
1.413e-05
3.869e-08
d
yr
n .2715216037667585 2.8936e-09 deg/d
Q 2.699384896605023 1.9178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      6082 days (16.65 yr)  
   first obs. used      2003-09-01  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57645  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:26:59  

Additional Information
 Earth MOID = 1.02893 au 
 Jupiter MOID = 2.764 au 
 T_jup = 3.533 
[ 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 17.0   n/a MPO418614  

312197 (2007 VK173)          Discovered 2007-Nov-02 by Mt. Lemmon Survey at Mount Lemmon
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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