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249259 (2008 SA65)
Classification: Main-belt Asteroid          SPK-ID: 2249259
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04954822709646533 5.341e-08  
a 2.654406326486662 2.185e-08 au
q 2.522885199015607 1.4392e-07 au
i 15.3478592470929 5.1553e-06 deg
node 174.296528710815 1.9076e-05 deg
peri 237.8941812060225 4.7383e-05 deg
M 202.2788142629046 4.4284e-05 deg
tp 2459692.549350157112
(2022-Apr-23.04935016)		 0.0001969 TDB
period 1579.608756377515
4.32		 1.9504e-05
5.34e-08		 d
yr
n .2279045355671367 2.814e-09 deg/d
Q 2.785927453957717 2.2933e-08 au
   Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      6730 days (18.43 yr)  
   first obs. used      2002-03-16  
   last obs. used      2020-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:19:09  

Additional Information
 Earth MOID = 1.55475 au 
 Jupiter MOID = 2.38747 au 
 T_jup = 3.336 
[ 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 15.9   n/a MPO437158  
diameter diameter 3.000 km 0.929 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249259 (2008 SA65)          Discovered 2008-Sep-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 SA65 = 2007 MT13 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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