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91920 (1999 VF33)
Classification: Main-belt Asteroid          SPK-ID: 2091920
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04579273531561424 3.8522e-08  
a 3.118294297150599 2.715e-08 au
q 2.975499071764992 1.2439e-07 au
i 9.39252973831989 4.5874e-06 deg
node 51.77778259838612 2.9103e-05 deg
peri 7.130724043982653 6.4932e-05 deg
M 264.0516689971784 5.8793e-05 deg
tp 2459536.554568337767
(2021-Nov-18.05456834)
0.00033023 TDB
period 2011.287143659864
5.51
2.6267e-05
7.192e-08
d
yr
n .1789898578802237 2.3376e-09 deg/d
Q 3.261089522536206 2.8393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1999-11-03  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:21:04  

Additional Information
 Earth MOID = 1.98757 au 
 Jupiter MOID = 1.96239 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 14.7   n/a MPO299535  

91920 (1999 VF33)          Discovered 1999-Nov-03 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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