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173907 (2001 VK2)
Classification: Main-belt Asteroid          SPK-ID: 2173907
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1727012252382456 6.6902e-08  
a 3.147857085070715 3.3803e-08 au
q 2.60421830960411 2.1579e-07 au
i 18.91796573631092 7.9848e-06 deg
node 52.1297500636533 2.0804e-05 deg
peri 359.8577054862896 2.9525e-05 deg
M 119.5494788763395 2.3116e-05 deg
tp 2458323.067350985463
(2018-Jul-23.56735099)
0.00012466 TDB
period 2039.956643370193
5.59
3.2858e-05
8.996e-08
d
yr
n .1764743388885204 2.8425e-09 deg/d
Q 3.691495860537319 3.964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      397  
   data-arc span      6798 days (18.61 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:32:08  

Additional Information
 Earth MOID = 1.61526 au 
 Jupiter MOID = 1.70596 au 
 T_jup = 3.102 
[ 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 14.9   n/a MPO325668  

173907 (2001 VK2)          Discovered 2001-Nov-10 by Dyvig, R. at Badlands
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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