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249748 (2000 SK239)
Classification: Main-belt Asteroid          SPK-ID: 2249748
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3048675008997668 4.1883e-08  
a 2.992991372871941 2.5869e-08 au
q 2.08052557280991 1.3338e-07 au
i 2.387189390724351 4.2331e-06 deg
node 37.13025587601618 0.00020352 deg
peri 351.8230147952133 0.00020449 deg
M 289.1587865682163 2.3324e-05 deg
tp 2459372.668931152473
(2021-Jun-07.16893115)
0.00012691 TDB
period 1891.283459506334
5.18
2.452e-05
6.713e-08
d
yr
n .1903469298536391 2.4678e-09 deg/d
Q 3.905457172933971 3.3755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7205 days (19.73 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:40:38  

Additional Information
 Earth MOID = 1.08573 au 
 Jupiter MOID = 1.54622 au 
 T_jup = 3.182 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456827.5 (2014-Jun-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3101888671119851 4.0906e-08  
q 2.057280232506094 1.2842e-07 au
tp 2457487.648189320661
(2016-Apr-09.14818932)
0.00010404 TDB
node 37.2782226556824 0.00020219 deg
peri 351.931904183837 0.00020312 deg
i 2.401005191867029 4.2533e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      7205 days (19.73 yr)  
   first obs. used      2000-09-23  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:40:38  

Additional Information
 Jupiter MOID = 1.54622 au 
 T_jup = 3.182 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.673271007425501E-15 -5.220228615599183E-15 -1.929259865198351E-12 -3.578892809334208E-14 -3.028835088447787E-13 -1.581967055920864E-15
q -5.220228615599183E-15 1.649282028954501E-14 7.056914701099399E-12 1.190191114249355E-13 1.144025192740559E-12 5.647556033758337E-15
tp -1.929259865198351E-12 7.056914701099399E-12 1.082387969587256E-8 8.682257353381643E-11 2.143660856173761E-9 7.689183486302642E-12
node -3.578892809334208E-14 1.190191114249355E-13 8.682257353381643E-11 4.088123422715682E-8 -4.082881122210065E-8 -7.366984580886755E-11
peri -3.028835088447787E-13 1.144025192740559E-12 2.143660856173761E-9 -4.082881122210065E-8 4.125684720410794E-8 7.518582899314224E-11
i -1.581967055920864E-15 5.647556033758337E-15 7.689183486302642E-12 -7.366984580886755E-11 7.518582899314224E-11 1.809094194550637E-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 16.3   n/a MPO440261  

249748 (2000 SK239)          Discovered 2000-Sep-27 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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