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259504 (2003 SD290)
Classification: Main-belt Asteroid          SPK-ID: 2259504
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762814417752682 3.7574e-08  
a 2.233142119659355 1.2394e-08 au
q 1.839480607116725 8.7524e-08 au
i 6.680190936214576 4.9351e-06 deg
node 84.51869666737711 5.0779e-05 deg
peri 213.9871950193605 5.4865e-05 deg
M 49.76021498936539 2.3311e-05 deg
tp 2458832.018306741743
(2019-Dec-14.51830674)
7.8701e-05 TDB
period 1218.913736323994
3.34
1.0147e-05
2.778e-08
d
yr
n .2953449364560365 2.4587e-09 deg/d
Q 2.626803632201985 1.4578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      7273 days (19.91 yr)  
   first obs. used      2000-12-16  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:16:48  

Additional Information
 Earth MOID = .827939 au 
 Jupiter MOID = 2.57531 au 
 T_jup = 3.611 
[ 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 17.2   n/a MPO433690  

259504 (2003 SD290)          Discovered 2003-Sep-28 by LONEOS at Anderson Mesa
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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