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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2103690645493351 7.3972e-08  
a 3.965373627602258 8.0519e-08 au
q 3.131181686974967 2.9723e-07 au
i 3.785484977168383 1.0131e-05 deg
node 144.0475731979198 0.00011967 deg
peri 253.7375397888819 0.00012267 deg
M 119.0753059026554 2.445e-05 deg
tp 2457646.510042775242
(2016-Sep-15.01004278)
0.00018691 TDB
period 2884.194854655034
7.90
8.7848e-05
2.405e-07
d
yr
n .1248181964609524 3.8018e-09 deg/d
Q 4.799565568229549 9.7458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      6295 days (17.23 yr)  
   first obs. used      2002-01-07  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61234  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:30:10  

Additional Information
 Earth MOID = 2.14099 au 
 Jupiter MOID = .670092 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 15.3   n/a MPO437158  
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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