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117845 (2005 JT126)
Classification: Main-belt Asteroid          SPK-ID: 2117845
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107021166033121 6.0974e-08  
a 2.208573634538933 1.0726e-08 au
q 1.964079858521203 1.3539e-07 au
i 3.449009511576345 4.8574e-06 deg
node 323.1587846566966 0.00011403 deg
peri 268.0195934895874 0.00011621 deg
M 213.876911409321 2.5539e-05 deg
tp 2459487.111753326976
(2021-Sep-29.61175333)
8.6402e-05 TDB
period 1198.853876463202
3.28
8.7338e-06
2.391e-08
d
yr
n .300286804812321 2.1876e-09 deg/d
Q 2.453067410556663 1.1914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      8270 days (22.64 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54663  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:15:52  

Additional Information
 Earth MOID = .957108 au 
 Jupiter MOID = 2.54455 au 
 T_jup = 3.649 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457047.5 (2015-Jan-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105010107860089 6.0977e-08  
q 1.964185648792685 1.3535e-07 au
tp 2457089.940659553167
(2015-Mar-08.44065955)
8.1292e-05 TDB
node 323.2156857309742 0.00011401 deg
peri 268.0710846968906 0.00011621 deg
i 3.449431044978704 4.8587e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      8270 days (22.64 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54663  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:15:52  

Additional Information
 Jupiter MOID = 2.54455 au 
 T_jup = 3.649 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.718139986214448E-15 -8.232376919963722E-15 -1.282268983358234E-12 5.046952513700386E-15 -3.658143597442516E-13 6.420391293913464E-16
q -8.232376919963722E-15 1.831853825466377E-14 2.992154677677607E-12 -1.088294008192627E-14 8.483814880679649E-13 -1.211394047046005E-15
tp -1.282268983358234E-12 2.992154677677607E-12 6.608312798586895E-9 1.344394935867849E-11 1.884166137946479E-9 1.479660563077018E-12
node 5.046952513700386E-15 -1.088294008192627E-14 1.344394935867849E-11 1.299857064842664E-8 -1.297079628117884E-8 1.093348498447277E-10
peri -3.658143597442516E-13 8.483814880679649E-13 1.884166137946479E-9 -1.297079628117884E-8 1.350410248248248E-8 -1.087754601086547E-10
i 6.420391293913464E-16 -1.211394047046005E-15 1.479660563077018E-12 1.093348498447277E-10 -1.087754601086547E-10 2.360721870378377E-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 16.6   n/a MPO396009  

117845 (2005 JT126)          Discovered 2005-May-12 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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