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259490 (2003 SW228)
Classification: Mars-crossing Asteroid          SPK-ID: 2259490
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .267681217073419 4.2574e-08  
a 2.262283857496837 7.4613e-09 au
q 1.656712961156534 9.4128e-08 au
i 6.065030069119857 6.8121e-06 deg
node 23.89963371707823 2.9748e-05 deg
peri 304.2923038027892 3.2089e-05 deg
M 357.7027068322623 1.0278e-05 deg
tp 2459008.431092078701
(2020-Jun-07.93109208)
3.5498e-05 TDB
period 1242.851016330705
3.40
6.1487e-06
1.683e-08
d
yr
n .2896566002438776 1.433e-09 deg/d
Q 2.867854753837139 9.4586e-09 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2003-09-26  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46009  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:16:47  

Additional Information
 Earth MOID = .655475 au 
 Jupiter MOID = 2.51295 au 
 T_jup = 3.564 
[ 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 16.9   n/a MPO433690  

259490 (2003 SW228)          Discovered 2003-Sep-26 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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