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JPL Small-Body Database Browser
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91973 (1999 VL93)
Classification: Main-belt Asteroid          SPK-ID: 2091973
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03166865528519446 4.6411e-08  
a 3.071040488716395 2.4804e-08 au
q 2.97378476611236 1.4598e-07 au
i 10.77193002044134 6.5095e-06 deg
node 199.6826212393539 2.212e-05 deg
peri 307.2581524702795 9.4535e-05 deg
M 175.363577252453 9.3107e-05 deg
tp 2458042.945204593150
(2017-Oct-16.44520459)
0.00050735 TDB
period 1965.743010877385
5.38
2.3816e-05
6.52e-08
d
yr
n .1831368586880125 2.2188e-09 deg/d
Q 3.168296211320429 2.559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      890  
   data-arc span      9469 days (25.92 yr)  
   first obs. used      1993-09-15  
   last obs. used      2019-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53522  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:58:43  

Additional Information
 Earth MOID = 1.99382 au 
 Jupiter MOID = 1.82625 au 
 T_jup = 3.203 
[ 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 14.1   n/a MPO436415  
diameter diameter 4.740 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.216   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

91973 (1999 VL93)          Discovered 1999-Nov-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VL93 = 1999 TF15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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