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JPL Small-Body Database Browser
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172029 (2001 VP39)
Classification: Main-belt Asteroid          SPK-ID: 2172029
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058367876016227 8.6023e-08  
a 3.162878262716158 4.2493e-08 au
q 2.828129387815279 2.8395e-07 au
i 19.67512550268893 7.2312e-06 deg
node 61.36582271747056 2.6817e-05 deg
peri 313.1740796071973 4.0439e-05 deg
M 148.0849899693349 3.3582e-05 deg
tp 2458155.356061239073
(2018-Feb-05.85606124)
0.00018728 TDB
period 2054.575673178878
5.63
4.1405e-05
1.134e-07
d
yr
n .1752186617896635 3.5311e-09 deg/d
Q 3.497627137617037 4.6991e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      6657 days (18.23 yr)  
   first obs. used      2001-11-09  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57814  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:41:54  

Additional Information
 Earth MOID = 1.86743 au 
 Jupiter MOID = 1.98902 au 
 T_jup = 3.105 
[ 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 14.9   n/a MPO338373  
diameter diameter 6.326 km 0.493 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172029 (2001 VP39)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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