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91923 (1999 VE38)
Classification: Main-belt Asteroid          SPK-ID: 2091923
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091288204349094 5.2219e-08  
a 3.18835127967875 2.4527e-08 au
q 2.521575137427399 1.6984e-07 au
i 9.169745555558535 6.2299e-06 deg
node 219.7383490510149 3.1216e-05 deg
peri 129.6814045644165 3.3913e-05 deg
M 249.8138788644152 1.4085e-05 deg
tp 2459636.961396373934
(2022-Feb-26.46139637)
8.6098e-05 TDB
period 2079.446125639317
5.69
2.3995e-05
6.569e-08
d
yr
n .173123023271074 1.9977e-09 deg/d
Q 3.855127421930102 2.9657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      7513 days (20.57 yr)  
   first obs. used      1999-10-02  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52287  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:44:03  

Additional Information
 Earth MOID = 1.52834 au 
 Jupiter MOID = 1.7137 au 
 T_jup = 3.143 
[ 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 14.5   n/a MPO299535  
diameter diameter 4.869 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91923 (1999 VE38)          Discovered 1999-Nov-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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