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469832 (2005 SD239)
Classification: Main-belt Asteroid          SPK-ID: 2469832
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1886101282181813 8.902e-08  
a 2.421175514164768 1.4695e-08 au
q 1.96451728999943 2.1981e-07 au
i 2.145050885171486 9.4954e-06 deg
node 152.9699372092853 0.00014727 deg
peri 224.1421643835415 0.00015408 deg
M 316.2204538151035 3.3875e-05 deg
tp 2459167.842630401866
(2020-Nov-14.34263040)
0.0001296 TDB
period 1376.061476065619
3.77
1.2528e-05
3.43e-08
d
yr
n .2616162186512902 2.3818e-09 deg/d
Q 2.877833738330106 1.7467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5506 days (15.07 yr)  
   first obs. used      2005-09-24  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48604  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:17:54  

Additional Information
 Earth MOID = .966743 au 
 Jupiter MOID = 2.58383 au 
 T_jup = 3.488 
[ 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 18.3   n/a MPO281865  

469832 (2005 SD239)          Discovered 2005-Sep-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 2005 SD239 = 2009 VD22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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