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173311 (1999 VJ39)
Classification: Main-belt Asteroid          SPK-ID: 2173311
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013730127717785 3.7712e-08  
a 2.440490498287324 1.0382e-08 au
q 1.949041574006306 9.4282e-08 au
i 7.606867799973966 5.8095e-06 deg
node 65.26711248131876 4.1372e-05 deg
peri 24.03450686014073 4.5345e-05 deg
M 16.59440840564912 1.8199e-05 deg
tp 2458536.309112224472
(2019-Feb-21.80911222)
7.0232e-05 TDB
period 1392.560616461826
3.81
8.8858e-06
2.433e-08
d
yr
n .2585165742477169 1.6496e-09 deg/d
Q 2.931939422568342 1.2472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      7061 days (19.33 yr)  
   first obs. used      1999-10-10  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55944  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:24:41  

Additional Information
 Earth MOID = .968025 au 
 Jupiter MOID = 2.30105 au 
 T_jup = 3.462 
[ 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 16.3   n/a MPO417933  
diameter diameter 2.695 km 0.471 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173311 (1999 VJ39)          Discovered 1999-Nov-10 by LINEAR at Socorro
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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