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226489 (2003 ST262)
Classification: Main-belt Asteroid          SPK-ID: 2226489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .06098171375284653 7.4222e-08  
a 3.189030579906435 4.5917e-08 au
q 2.994558029933507 2.3593e-07 au
i 11.04474785988556 7.3441e-06 deg
node 24.48603545599321 3.3407e-05 deg
peri 304.5556130796507 5.9954e-05 deg
M 7.970490052926797 5.4309e-05 deg
tp 2458954.445828291577
(2020-Apr-14.94582829)
0.00031335 TDB
period 2080.110721541415
5.70
4.4926e-05
1.23e-07
d
yr
n .1730677104213139 3.7379e-09 deg/d
Q 3.383503129879363 4.8717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      6216 days (17.02 yr)  
   first obs. used      2001-04-16  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:54:34  

Additional Information
 Earth MOID = 2.00217 au 
 Jupiter MOID = 1.88374 au 
 T_jup = 3.166 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456833.5 (2014-Jun-25.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06535084466617026 7.4354e-08  
q 2.981168281710268 2.3785e-07 au
tp 2456882.364240921576
(2014-Aug-12.86424092)
0.0002775 TDB
node 24.65541985555078 3.3295e-05 deg
peri 306.0479849637533 5.7093e-05 deg
i 11.07030096930486 7.3563e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      6216 days (17.02 yr)  
   first obs. used      2001-04-16  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 05:54:34  

Additional Information
 Jupiter MOID = 1.88374 au 
 T_jup = 3.166 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.528580712098385E-15 -1.740872905640661E-14 6.133582651049376E-12 1.726403206519153E-14 8.989440694099777E-13 -8.631741155219903E-18
q -1.740872905640661E-14 5.657422588996384E-14 -1.595718212027498E-11 -5.166188907872837E-14 -2.280753880279536E-12 2.960865472265743E-15
tp 6.133582651049376E-12 -1.595718212027498E-11 7.700489235879274E-8 9.683595844154425E-11 1.292359856274092E-8 -1.184684832727731E-11
node 1.726403206519153E-14 -5.166188907872837E-14 9.683595844154425E-11 1.108560547458244E-9 -1.071191974049858E-9 -8.780221844256285E-11
peri 8.989440694099777E-13 -2.280753880279536E-12 1.292359856274092E-8 -1.071191974049858E-9 3.259627606446582E-9 8.402316297396167E-11
i -8.631741155219903E-18 2.960865472265743E-15 -1.184684832727731E-11 -8.780221844256285E-11 8.402316297396167E-11 5.411524127436293E-11

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 14.8   n/a MPO440183  
diameter diameter 6.891 km 0.366 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226489 (2003 ST262)          Discovered 2003-Sep-28 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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