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390001 (2012 TD303)
Classification: Main-belt Asteroid          SPK-ID: 2390001
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1118714427917682 5.4576e-08  
a 2.639421388297678 2.7908e-08 au
q 2.344145509453365 1.5625e-07 au
i 3.875463444186029 5.0121e-06 deg
node 76.15137934278988 8.4983e-05 deg
peri 337.1846112649649 9.0297e-05 deg
M 266.1537715878289 3.3419e-05 deg
tp 2459408.796678551135
(2021-Jul-13.29667855)
0.00014901 TDB
period 1566.251588000373
4.29
2.4841e-05
6.801e-08
d
yr
n .229848130886565 3.6454e-09 deg/d
Q 2.934697267141991 3.103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      7648 days (20.94 yr)  
   first obs. used      1999-11-10  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57255  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:44:41  

Additional Information
 Earth MOID = 1.356 au 
 Jupiter MOID = 2.38292 au 
 T_jup = 3.384 
[ 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 16.6   n/a MPO437596  

390001 (2012 TD303)          Discovered 2005-Jan-16 by LINEAR at Socorro
Reference: Last Updated: 2014-03-21

Alternate Designations
 2012 TD303 = 2005 BY18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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