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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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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3358756624529604 1.5491e-07  
a 2.674001187849145 3.2193e-08 au
q 1.77586926748031 4.3189e-07 au
i 6.470743345295767 7.7606e-06 deg
node 253.8530623169241 0.00011537 deg
peri 108.5581756634026 0.00015108 deg
M 293.5374216976203 5.6348e-05 deg
tp 2459295.359758065856
(2021-Mar-21.85975807)
0.00025456 TDB
period 1597.132034522764
4.37
2.8843e-05
7.897e-08
d
yr
n .2254040318636342 4.0706e-09 deg/d
Q 3.572133108217979 4.3006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      4816 days (13.19 yr)  
   first obs. used      2003-09-21  
   last obs. used      2016-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59712  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:41:29  

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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