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91968 (1999 VA92)
Classification: Main-belt Asteroid          SPK-ID: 2091968
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 .2047714608313361 3.8975e-08  
a 3.06769025391588 2.3912e-08 au
q 2.439514839243473 1.2291e-07 au
i 4.405489827917236 6.3616e-06 deg
node 202.1856236161169 5.8996e-05 deg
peri 260.939513174156 6.087e-05 deg
M 233.3533768757606 1.4492e-05 deg
tp 2459690.909566303091
(2022-Apr-21.40956630)
8.1225e-05 TDB
period 1962.527209472373
5.37
2.2946e-05
6.282e-08
d
yr
n .1834369471477475 2.1448e-09 deg/d
Q 3.695865668588288 2.8808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      808  
   data-arc span      8899 days (24.36 yr)  
   first obs. used      1996-03-20  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:21:24  

Additional Information
 Earth MOID = 1.46113 au 
 Jupiter MOID = 1.50848 au 
 T_jup = 3.195 
[ 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 MPO412708  
diameter diameter 6.288 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91968 (1999 VA92)          Discovered 1999-Nov-09 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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