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91913 (1999 VD30)
Classification: Main-belt Asteroid          SPK-ID: 2091913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500978421322923 5.8023e-08  
a 3.133545917656836 2.4563e-08 au
q 2.663207437194091 1.9586e-07 au
i 6.055360956512101 4.2573e-06 deg
node 59.41410789748438 4.1477e-05 deg
peri 307.5517923586965 4.3492e-05 deg
M 4.211664213934816 1.5241e-05 deg
tp 2459372.796975833874
(2021-Jun-07.29697583)
8.5614e-05 TDB
period 2026.061021572591
5.55
2.3823e-05
6.522e-08
d
yr
n .1776846778882181 2.0893e-09 deg/d
Q 3.60388439811958 2.825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      11075 days (30.32 yr)  
   first obs. used      1991-04-10  
   last obs. used      2021-08-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:02:58  

Additional Information
 Earth MOID = 1.66706 au 
 Jupiter MOID = 1.87892 au 
 T_jup = 3.186 
[ 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 14.62   n/a E2021B10  

91913 (1999 VD30)          Discovered 1999-Nov-03 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 VD30 = 2001 BV16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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