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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09189600213569214 7.5396e-08  
a 2.382030468579788 2.1127e-08 AU
q 2.163131391551896 1.8421e-07 AU
i 5.725525627411811 7.8252e-06 deg
node 209.322657291514 7.3541e-05 deg
peri 50.66880710063874 8.4832e-05 deg
M 85.54886754666275 4.0375e-05 deg
tp 2456481.396799963074
(2013-Jul-07.89679996)
0.00015112 JED
period 1342.824929279554
3.68
1.7865e-05
4.891e-08
d
yr
n .2680915375864712 3.5666e-09 deg/d
Q 2.600929545607679 2.3068e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1992-11-18  
   last obs. used      2013-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55034  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:00:02  

Additional Information
 Earth MOID = 1.15335 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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