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249267 (2008 SC128)
Classification: Main-belt Asteroid          SPK-ID: 2249267
[ 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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01140354624864967 6.0651e-08  
a 2.789517067094179 3.0029e-08 au
q 2.757706680208173 1.51e-07 au
i 3.235726352116547 5.0808e-06 deg
node 272.468077911091 0.00016538 deg
peri 203.7969942882852 0.0004653 deg
M 94.8585698483113 0.00043449 deg
tp 2458552.099556886004
(2019-Mar-09.59955689)		 0.0020521 TDB
period 1701.735117651178
4.66		 2.7479e-05
7.523e-08		 d
yr
n .2115487870385435 3.416e-09 deg/d
Q 2.821327453980185 3.0371e-08 au
   Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      9313 days (25.50 yr)  
   first obs. used      1994-10-28  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:42:45  

Additional Information
 Earth MOID = 1.7743 au 
 Jupiter MOID = 2.17606 au 
 T_jup = 3.327 
[ 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 16.4   n/a MPO422968  
diameter diameter 3.442 km 0.558 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249267 (2008 SC128)          Discovered 2008-Sep-22 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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