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91905 (1999 VB20)
Classification: Main-belt Asteroid          SPK-ID: 2091905
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 .117329224407993 4.0085e-08  
a 3.035217914010362 2.0127e-08 au
q 2.67909815025028 1.2527e-07 au
i 2.263165230610463 4.2793e-06 deg
node 101.0378862987235 0.00011401 deg
peri 344.7250428141525 0.00011575 deg
M 285.689789615214 2.0244e-05 deg
tp 2459399.184390381690
(2021-Jul-03.68439038)
0.00010988 TDB
period 1931.448986541876
5.29
1.9212e-05
5.26e-08
d
yr
n .1863885624256402 1.854e-09 deg/d
Q 3.391337677770444 2.2489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      8983 days (24.59 yr)  
   first obs. used      1996-02-16  
   last obs. used      2020-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56179  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:18:18  

Additional Information
 Earth MOID = 1.69544 au 
 Jupiter MOID = 1.80469 au 
 T_jup = 3.230 
[ 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 MPO412708  

91905 (1999 VB20)          Discovered 1999-Nov-10 by Korlevic, K. at Visnjan
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VB20 = 2001 DM11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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