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91921 (1999 VN33)
Classification: Main-belt Asteroid          SPK-ID: 2091921
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1057337095983282 3.7403e-08  
a 3.067839174388422 2.7481e-08 au
q 2.743465158029262 1.1468e-07 au
i 4.966690930226346 4.1797e-06 deg
node 60.92999097727807 5.019e-05 deg
peri 346.7233815945475 5.4242e-05 deg
M 304.229140303995 2.0611e-05 deg
tp 2459304.554999235906
(2021-Mar-31.05499924)
0.00011317 TDB
period 1962.670117003181
5.37
2.6372e-05
7.22e-08
d
yr
n .1834235905877485 2.4646e-09 deg/d
Q 3.392213190747583 3.0387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      7575 days (20.74 yr)  
   first obs. used      1999-11-03  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55767  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:21:04  

Additional Information
 Earth MOID = 1.75375 au 
 Jupiter MOID = 1.96749 au 
 T_jup = 3.217 
[ 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 14.9   n/a MPO439647  

91921 (1999 VN33)          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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