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469548 (2003 TD20)
Classification: Main-belt Asteroid          SPK-ID: 2469548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3358755482662185 9.9715e-08  
a 2.674001207119278 2.1957e-08 au
q 1.775869585613561 2.7545e-07 au
i 6.470745200099651 7.2527e-06 deg
node 253.8529960772738 9.6139e-05 deg
peri 108.5583077049641 0.00010273 deg
M 293.537379128241 2.2596e-05 deg
tp 2459295.359950111319
(2021-Mar-21.85995011)
0.00010276 TDB
period 1597.132051787312
4.37
1.9671e-05
5.386e-08
d
yr
n .2254040294270801 2.7762e-09 deg/d
Q 3.572132828624996 2.9331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      6139 days (16.81 yr)  
   first obs. used      2003-09-21  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:19:45  

Additional Information
 Earth MOID = .786695 au 
 Jupiter MOID = 1.97099 au 
 T_jup = 3.288 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO397652  

469548 (2003 TD20)          Discovered 2003-Sep-21 by LONEOS at Anderson Mesa
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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