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305823 (2009 DU126)
Classification: Main-belt Asteroid          SPK-ID: 2305823
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09387614477824695 7.5886e-08  
a 2.725882919466037 3.9224e-08 au
q 2.469987539869693 2.0949e-07 au
i 8.837500733580722 9.5017e-06 deg
node 352.4802385774853 5.0958e-05 deg
peri 69.50187254507345 7.3827e-05 deg
M 283.6522120117084 5.5062e-05 deg
tp 2459349.120709520767
(2021-May-14.62070952)
0.00025433 TDB
period 1643.8387900213
4.50
3.5481e-05
9.714e-08
d
yr
n .2189995772002286 4.7269e-09 deg/d
Q 2.981778299062381 4.2906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5681 days (15.55 yr)  
   first obs. used      2002-10-03  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57065  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:40:46  

Additional Information
 Earth MOID = 1.49859 au 
 Jupiter MOID = 2.30159 au 
 T_jup = 3.333 
[ 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 16.1   n/a MPO437357  

305823 (2009 DU126)          Discovered 2009-Feb-20 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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