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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054245560237235 3.8288e-08  
a 3.064602653093218 1.9814e-08 au
q 2.435058013692418 1.2227e-07 au
i 4.40881350353374 5.4277e-06 deg
node 202.1458941402599 5.6519e-05 deg
peri 261.2449816555616 5.7881e-05 deg
M 305.8265023382285 1.4115e-05 deg
tp 2459691.379147451352
(2022-Apr-21.87914745)
7.8154e-05 TDB
period 1959.56505790465
5.36
1.9004e-05
5.203e-08
d
yr
n .1837142372731149 1.7817e-09 deg/d
Q 3.694147292494017 2.3884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      9243 days (25.31 yr)  
   first obs. used      1996-03-20  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54008  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:04:54  

Additional Information
 Earth MOID = 1.45693 au 
 Jupiter MOID = 1.50949 au 
 T_jup = 3.196 
[ 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 14.51   n/a MPO637248  
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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