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21453 Victorlevine (1998 HA33)
Classification: Main-belt Asteroid          SPK-ID: 2021453
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0919212948413326 6.9888e-08  
a 2.381718091728116 1.8391e-08 AU
q 2.16278748078944 1.674e-07 AU
i 5.725969743575436 7.8183e-06 deg
node 209.3220709801616 6.4838e-05 deg
peri 50.5847336408869 7.5237e-05 deg
M 139.262122207928 3.8171e-05 deg
tp 2456481.144818789943
(2013-Jul-07.64481879)
0.00014201 JED
period 1342.560793066649
3.68
1.555e-05
4.257e-08
d
yr
n .2681442820758199 3.1058e-09 deg/d
Q 2.600648702666793 2.0082e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      8018 days (21.95 yr)  
   first obs. used      1992-11-18  
   last obs. used      2014-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55684  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:38:37  

Additional Information
 Earth MOID = 1.15472 AU 
 T_jup = 3.525 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2 mag n/a MPO266068  

21453 Victorlevine           Discovered 1998 Apr. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Victor Levine mentored a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors. He teaches at the James Madison Memorial High School, Madison, Wisconsin.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050224/MPCPages.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1998 HA33 = 1999 TQ142 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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