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102818 (1999 VH180)
Classification: Main-belt Asteroid          SPK-ID: 2102818
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1623233135047266 4.1414e-08  
a 2.264744586123344 6.9324e-09 au
q 1.897123740661912 9.3501e-08 au
i 6.22020746415892 4.4594e-06 deg
node 175.9338461647008 3.8739e-05 deg
peri 135.9555100961708 4.0923e-05 deg
M 138.8115656754066 1.2346e-05 deg
tp 2458720.489846412510
(2019-Aug-24.98984641)		 4.2449e-05 TDB
period 1244.879376229902
3.41		 5.7159e-06
1.565e-08		 d
yr
n .2891846446121185 1.3278e-09 deg/d
Q 2.632365431584776 8.0577e-09 au
   Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      8338 days (22.83 yr)  
   first obs. used      1998-03-22  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:32:27  

Additional Information
 Earth MOID = .887205 au 
 Jupiter MOID = 2.64719 au 
 T_jup = 3.592 
[ 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 15.8   n/a MPO436482  

102818 (1999 VH180)          Discovered 1999-Nov-05 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 VH180 = 1998 HA30 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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