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91992 (1999 VD120)
Classification: Main-belt Asteroid          SPK-ID: 2091992
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05717100029123831 3.5515e-08  
a 2.880467352408537 1.9575e-08 au
q 2.715788152565086 1.0343e-07 au
i 2.390796571275744 3.7396e-06 deg
node 162.336607441355 0.00010102 deg
peri 134.8230818017352 0.00010803 deg
M 231.6144053829754 4.0613e-05 deg
tp 2460033.305284667720
(2023-Mar-29.80528467)
0.00020355 TDB
period 1785.635710643656
4.89
1.8202e-05
4.983e-08
d
yr
n .2016088712015247 2.0552e-09 deg/d
Q 3.045146552251988 2.0694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      10659 days (29.18 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56158  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:53:32  

Additional Information
 Earth MOID = 1.7002 au 
 Jupiter MOID = 2.06318 au 
 T_jup = 3.291 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.52   n/a MPCxxxxx  

91992 (1999 VD120)          Discovered 1999-Nov-04 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 VD120 = 1992 EF31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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