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66853 (1999 VH12)
Classification: Main-belt Asteroid          SPK-ID: 2066853
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3197139622958617 5.2049e-08  
a 2.643293645063827 1.216e-08 au
q 1.798195760289 1.4086e-07 au
i 12.23817958024784 4.5183e-06 deg
node 58.64281691205863 2.4065e-05 deg
peri 286.1855983491765 2.4516e-05 deg
M .2729032296728297 5.3614e-06 deg
tp 2459199.310066423530
(2020-Dec-15.81006642)
2.3374e-05 TDB
period 1569.699589275084
4.30
1.0831e-05
2.965e-08
d
yr
n .2293432466057117 1.5825e-09 deg/d
Q 3.488391529838654 1.6047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      870  
   data-arc span      12483 days (34.18 yr)  
   first obs. used      1986-11-07  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50347  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:21  

Additional Information
 Earth MOID = .835929 au 
 Jupiter MOID = 2.10183 au 
 T_jup = 3.288 
[ 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 14.69   n/a E2021B10  

66853 (1999 VH12)          Discovered 1999-Nov-10 by Chesney, D. K. at High Point
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 VH12 = 1986 VA5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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