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JPL Small-Body Database Browser
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382321 (2013 TR2)
Classification: Main-belt Asteroid          SPK-ID: 2382321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07422709961882823 6.2937e-08  
a 2.767497209335104 3.8695e-08 au
q 2.562073918282958 1.7901e-07 au
i 4.378557038383287 5.6058e-06 deg
node 286.2307308439932 0.00012357 deg
peri 137.094400421371 0.0001457 deg
M 131.640116187345 8.0991e-05 deg
tp 2458385.585165257216
(2018-Sep-24.08516526)
0.00037065 TDB
period 1681.625228834941
4.60
3.5268e-05
9.656e-08
d
yr
n .2140786150368439 4.4898e-09 deg/d
Q 2.972920500387251 4.1567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      5645 days (15.46 yr)  
   first obs. used      2004-11-11  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:42:12  

Additional Information
 Earth MOID = 1.57757 au 
 Jupiter MOID = 2.2497 au 
 T_jup = 3.330 
[ 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 16.1   n/a MPO427903  
diameter diameter 3.896 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

382321 (2013 TR2)          Discovered 2004-Nov-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

Alternate Designations
 2013 TR2 = 2010 FL79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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