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JPL Small-Body Database Browser
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201950 (2004 JT11)
Classification: Inner Main-belt Asteroid          SPK-ID: 2201950
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06242989016520108 6.721e-08  
a 1.931001909532114 1.4508e-08 au
q 1.81044967241123 1.271e-07 au
i 24.17483930055253 7.7994e-06 deg
node 125.8836584824384 1.1575e-05 deg
peri 195.100284112496 4.5349e-05 deg
M 270.2472571837449 4.2524e-05 deg
tp 2459244.853019670330
(2021-Jan-30.35301967)
0.00011574 TDB
period 980.1047223861214
2.68
1.1046e-05
3.024e-08
d
yr
n .3673076884310477 4.1396e-09 deg/d
Q 2.051554146652998 1.5414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      7528 days (20.61 yr)  
   first obs. used      1998-01-24  
   last obs. used      2018-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56905  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:27:25  

Additional Information
 Earth MOID = .798738 au 
 Jupiter MOID = 3.21341 au 
 T_jup = 3.804 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456896.5 (2014-Aug-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06231304802747283 6.7205e-08  
q 1.81071438942466 1.2703e-07 au
tp 2457284.586406750869
(2015-Sep-19.08640675)
0.00011813 TDB
node 125.9140706502889 1.1575e-05 deg
peri 195.1090219440515 4.544e-05 deg
i 24.17589690915904 7.7994e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      7528 days (20.61 yr)  
   first obs. used      1998-01-24  
   last obs. used      2018-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56905  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:27:25  

Additional Information
 Jupiter MOID = 3.21341 au 
 T_jup = 3.804 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.516544475958166E-15 -8.490539065461803E-15 -3.167577382200511E-12 5.177208676108592E-15 -1.120699797161319E-12 6.633099908655778E-15
q -8.490539065461803E-15 1.613597215393971E-14 5.803446205515893E-12 -9.888226009775891E-15 2.029367148556675E-12 -1.302982030394994E-14
tp -3.167577382200511E-12 5.803446205515893E-12 1.395383694881496E-8 -2.238699501533179E-11 5.198962717642841E-9 3.522387151931651E-11
node 5.177208676108592E-15 -9.888226009775891E-15 -2.238699501533179E-11 1.339791870543037E-10 -1.286358385249269E-10 -1.434831839548771E-11
peri -1.120699797161319E-12 2.029367148556675E-12 5.198962717642841E-9 -1.286358385249269E-10 2.064829451139646E-9 2.63026972147653E-11
i 6.633099908655778E-15 -1.302982030394994E-14 3.522387151931651E-11 -1.434831839548771E-11 2.63026972147653E-11 6.082991850209365E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO348529  

201950 (2004 JT11)          Discovered 2004-May-12 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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