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216484 (1999 VE85)
Classification: Main-belt Asteroid          SPK-ID: 2216484
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .200545320771497 4.2421e-08  
a 2.347827141887993 1.2206e-08 au
q 1.876981394602038 1.0131e-07 au
i .8390053478008661 5.9815e-06 deg
node 196.8303536611604 0.00028145 deg
peri 119.5216326210864 0.00028178 deg
M 19.81354118943513 1.4801e-05 deg
tp 2459128.180201638878
(2020-Oct-05.68020164)
5.3732e-05 TDB
period 1314.006777540918
3.60
1.0247e-05
2.805e-08
d
yr
n .2739711896111507 2.1365e-09 deg/d
Q 2.818672889173947 1.4654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      1999-11-06  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52116  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:59  

Additional Information
 Earth MOID = .861637 au 
 Jupiter MOID = 2.47494 au 
 T_jup = 3.532 
[ 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 17.4   n/a MPO433417  
rotation period rot_per 3.143 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]

216484 (1999 VE85)          Discovered 1999-Nov-06 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 1999 VE85 = 2005 EH183 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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