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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457272.5 (2015-Sep-07.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009620500529662 3.7192e-08  
q 1.950476441096343 9.2595e-08 au
tp 2457144.812041249057
(2015-May-02.31204125)
6.4708e-05 TDB
node 65.30334599566265 3.8972e-05 deg
peri 24.28776452905378 4.2797e-05 deg
i 7.604355364821312 5.7906e-06 deg
  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
 Jupiter MOID = 2.30148 au 
 T_jup = 3.462 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.383250462987883E-15 -3.431333812289137E-15 -1.433019934429122E-12 2.566995810804275E-15 -4.044915984466162E-13 1.458120129342933E-15
q -3.431333812289137E-15 8.573776007639809E-15 3.673298258684768E-12 -6.014937280218952E-15 1.035241091038711E-12 -3.745134492510487E-15
tp -1.433019934429122E-12 3.673298258684768E-12 4.187168781601332E-9 -3.109335215064784E-12 1.177442686781136E-9 -2.966058155063655E-12
node 2.566995810804275E-15 -6.014937280218952E-15 -3.109335215064784E-12 1.518789685194897E-9 -1.505825165438394E-9 -1.44231634658762E-10
peri -4.044915984466162E-13 1.035241091038711E-12 1.177442686781136E-9 -1.505825165438394E-9 1.831560570316885E-9 1.421324536959809E-10
i 1.458120129342933E-15 -3.745134492510487E-15 -2.966058155063655E-12 -1.44231634658762E-10 1.421324536959809E-10 3.353086876850362E-11

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

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