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233732 (2008 SD218)
Classification: Main-belt Asteroid          SPK-ID: 2233732
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10946293321742 6.679e-08  
a 3.113521346553492 2.9181e-08 au
q 2.772706167324696 1.9922e-07 au
i 12.24726075626853 5.3247e-06 deg
node 308.0107102131349 2.8375e-05 deg
peri 59.86774179629705 3.947e-05 deg
M 58.90164985536531 2.3923e-05 deg
tp 2458672.177113531858
(2019-Jul-07.67711353)
0.00013392 TDB
period 2006.671110550646
5.49
2.821e-05
7.723e-08
d
yr
n .1794015960598612 2.5221e-09 deg/d
Q 3.454336525782288 3.2375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7682 days (21.03 yr)  
   first obs. used      1999-01-12  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:23:16  

Additional Information
 Earth MOID = 1.79383 au 
 Jupiter MOID = 2.04399 au 
 T_jup = 3.174 
[ 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 15.8   n/a MPO454690  

233732 (2008 SD218)          Discovered 2008-Sep-29 by La Sagra at La Sagra
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2008 SD218 = 1999 AV35 = 2010 AT2 = 2010 BL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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