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249275 (2008 SU203)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249275
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2105948857398043 7.3272e-08  
a 3.963861852408659 7.9525e-08 au
q 3.129092818512289 2.9555e-07 au
i 3.785917717128267 9.4451e-06 deg
node 144.0551258421397 0.00011893 deg
peri 253.6088339124427 0.00012125 deg
M 169.1765352269692 2.3524e-05 deg
tp 2457645.891433977599
(2016-Sep-14.39143398)
0.00017109 TDB
period 2882.545638576979
7.89
8.6746e-05
2.375e-07
d
yr
n .1248896097887007 3.7584e-09 deg/d
Q 4.79863088630503 9.6272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      6677 days (18.28 yr)  
   first obs. used      2002-01-07  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6009  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 13:42:45  

Additional Information
 Earth MOID = 2.13947 au 
 Jupiter MOID = .673308 au 
 T_jup = 3.015 
[ 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 15.2   n/a MPO470659  
diameter diameter 6.412 km 0.715 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.033   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

249275 (2008 SU203)          Discovered 2008-Sep-26 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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