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91964 (1999 VS88)
Classification: Main-belt Asteroid          SPK-ID: 2091964
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423679052013026 4.945e-08  
a 3.146878819308153 3.1138e-08 au
q 2.698864273880903 1.5336e-07 au
i 10.85852303943103 6.9919e-06 deg
node 227.4042968313301 2.8885e-05 deg
peri 260.4188068167492 3.7503e-05 deg
M 177.1332531619789 2.4717e-05 deg
tp 2457997.234093940378
(2017-Aug-31.73409394)
0.00013758 TDB
period 2039.005775223854
5.58
3.0263e-05
8.286e-08
d
yr
n .1765566357753338 2.6205e-09 deg/d
Q 3.594893364735403 3.5571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      451  
   data-arc span      7251 days (19.85 yr)  
   first obs. used      1999-10-12  
   last obs. used      2019-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:58:42  

Additional Information
 Earth MOID = 1.74084 au 
 Jupiter MOID = 1.69236 au 
 T_jup = 3.165 
[ 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 14.6   n/a MPO436415  

91964 (1999 VS88)          Discovered 1999-Nov-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VS88 = 2001 DS80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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