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259496 (2003 ST250)
Classification: Main-belt Asteroid          SPK-ID: 2259496
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2438525417546723 5.5374e-08  
a 2.2675769064898 5.7269e-09 au
q 1.714622514218065 1.2656e-07 au
i 6.636682849410964 6.1554e-06 deg
node 36.48200367740213 3.3968e-05 deg
peri 1.390370204000562 3.5973e-05 deg
M 311.1928760955246 9.1887e-06 deg
tp 2459169.591657231899
(2020-Nov-16.09165723)		 3.1971e-05 TDB
period 1247.21540082188
3.41		 4.7249e-06
1.294e-08		 d
yr
n .2886430040574948 1.0935e-09 deg/d
Q 2.820531298761534 7.1235e-09 au
   Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      8275 days (22.66 yr)  
   first obs. used      1998-03-21  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52404  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:16:47  

Additional Information
 Earth MOID = .722106 au 
 Jupiter MOID = 2.60845 au 
 T_jup = 3.567 
[ 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 17.0   n/a MPO437205  

259496 (2003 ST250)          Discovered 2003-Sep-26 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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