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469635 (2004 SD23)
Classification: Main-belt Asteroid          SPK-ID: 2469635
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1715428462638637 9.5474e-08  
a 2.36007012729149 2.7592e-08 au
q 1.955216980273588 2.2099e-07 au
i 7.190637094033345 1.2293e-05 deg
node 5.559266019392087 7.5161e-05 deg
peri 342.7508246977786 8.9477e-05 deg
M 137.3742601471882 4.9046e-05 deg
tp 2458495.154207293918
(2019-Jan-11.65420729)
0.00017463 TDB
period 1324.298199526377
3.63
2.3224e-05
6.358e-08
d
yr
n .2718420972925513 4.7672e-09 deg/d
Q 2.764923274309391 3.2325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      4139 days (11.33 yr)  
   first obs. used      2004-09-07  
   last obs. used      2016-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45613  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:40:35  

Additional Information
 Earth MOID = .950453 au 
 Jupiter MOID = 2.65883 au 
 T_jup = 3.521 
[ 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 17.7   n/a MPO382936  

469635 (2004 SD23)          Discovered 2004-Sep-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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