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469385 (2001 SD209)
Classification: Main-belt Asteroid          SPK-ID: 2469385
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2359601279798757 6.1417e-08  
a 2.975241971619733 3.6705e-08 au
q 2.273203495225243 1.859e-07 au
i 2.375509934593709 8.3034e-06 deg
node 59.93579441798114 0.0001788 deg
peri 286.5410537044446 0.00018031 deg
M 235.1753582058828 2.6124e-05 deg
tp 2459650.449617496005
(2022-Mar-11.94961750)
0.00014574 TDB
period 1874.484548367349
5.13
3.4688e-05
9.497e-08
d
yr
n .1920527967614112 3.554e-09 deg/d
Q 3.677280448014223 4.5366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      6794 days (18.60 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:47:24  

Additional Information
 Earth MOID = 1.26773 au 
 Jupiter MOID = 1.75008 au 
 T_jup = 3.217 
[ 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 16.8   n/a MPO437768  

469385 (2001 SD209)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 2001 SD209 = 2006 QO52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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