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390002 (2012 TN303)
Classification: Main-belt Asteroid          SPK-ID: 2390002
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .005700437830475191 1.6227e-06  
a 2.518257592796153 3.7559e-08 au
q 2.503902421947297 4.0781e-06 au
i 4.158186055372608 1.4355e-05 deg
node 20.98934994931143 0.00011686 deg
peri 95.44428399373014 0.01994 deg
M 229.3882013374729 0.019824 deg
tp 2459530.076328534630
(2021-Nov-11.57632853)
0.080382 TDB
period 1459.649742402361
4.00
3.2655e-05
8.94e-08
d
yr
n .2466345106926097 5.5177e-09 deg/d
Q 2.53261276364501 3.7773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      5815 days (15.92 yr)  
   first obs. used      2002-02-21  
   last obs. used      2018-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .709  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:38:56  

Additional Information
 Earth MOID = 1.51426 au 
 Jupiter MOID = 2.43285 au 
 T_jup = 3.454 
[ 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 17.0   n/a MPO437596  

390002 (2012 TN303)          Discovered 2004-Oct-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

Alternate Designations
 2012 TN303 = 2004 TV245 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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