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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011607686683533 3.7423e-08  
a 2.44009133484472 1.012e-08 au
q 1.949240686306368 9.334e-08 au
i 7.606693608357154 5.7939e-06 deg
node 65.26505433005913 3.8956e-05 deg
peri 23.99922540930482 4.2775e-05 deg
M 120.0726383898077 1.7998e-05 deg
tp 2458536.146093262934
(2019-Feb-21.64609326)
6.8162e-05 TDB
period 1392.218982335059
3.81
8.6609e-06
2.371e-08
d
yr
n .2585800111676401 1.6086e-09 deg/d
Q 2.930941983383072 1.2155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      7505 days (20.55 yr)  
   first obs. used      1999-10-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:26:16  

Additional Information
 Earth MOID = .968229 au 
 Jupiter MOID = 2.30148 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 16.4   n/a MPO469857  
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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