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173309 (1999 VK22)
Classification: Mars-crossing Asteroid          SPK-ID: 2173309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3203097728165094 3.8149e-08  
a 2.43108079587169 6.7965e-09 au
q 1.65238185844745 9.2015e-08 au
i 7.677791353873276 3.8172e-06 deg
node 242.9912189609828 3.1864e-05 deg
peri 133.2379680343455 3.253e-05 deg
M 160.5937094755755 4.688e-06 deg
tp 2458382.876880092494
(2018-Sep-21.37688009)
1.7774e-05 TDB
period 1384.51452359358
3.79
5.806e-06
1.59e-08
d
yr
n .2600189408382666 1.0904e-09 deg/d
Q 3.20977973329593 8.9735e-09 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      9989 days (27.35 yr)  
   first obs. used      1992-12-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47367  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:26:16  

Additional Information
 Earth MOID = .666095 au 
 Jupiter MOID = 2.30325 au 
 T_jup = 3.424 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO459805  
diameter diameter 2.602 km 0.610 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.095   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

173309 (1999 VK22)          Discovered 1999-Nov-13 by Juels, C. W. at Fountain Hills
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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