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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107021128310581 6.2284e-08  
a 2.20857363409629 1.0855e-08 au
q 1.964079866458862 1.3797e-07 au
i 3.449008859964766 4.8904e-06 deg
node 323.1587525240126 0.00011696 deg
peri 268.0196259051576 0.00011909 deg
M 213.8769113966668 2.554e-05 deg
tp 2459487.111753222826
(2021-Sep-29.61175322)
8.6416e-05 TDB
period 1198.85387610279
3.28
8.8383e-06
2.42e-08
d
yr
n .3002868049025964 2.2138e-09 deg/d
Q 2.453067401733718 1.2056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7992 days (21.88 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:51:01  

Additional Information
 Earth MOID = .957108 au 
 Jupiter MOID = 2.54455 au 
 T_jup = 3.649 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456933.5 (2014-Oct-03.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1105389698994455 6.2303e-08  
q 1.964254209318015 1.3794e-07 au
tp 2457089.841443972984
(2015-Mar-08.34144397)
8.1244e-05 TDB
node 323.2161482883885 0.00011694 deg
peri 268.0334093611739 0.00011908 deg
i 3.449439394656093 4.8918e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7992 days (21.88 yr)  
   first obs. used      1998-03-03  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:51:01  

Additional Information
 Jupiter MOID = 2.54455 au 
 T_jup = 3.649 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.881609015504968E-15 -8.573062079767126E-15 -1.294976216703809E-12 8.364724762573566E-15 -3.79984832463138E-13 8.053115436206838E-16
q -8.573062079767126E-15 1.90285619554422E-14 3.021709677947348E-12 -1.790174379962692E-14 8.78773513229768E-13 -1.551554206361305E-15
tp -1.294976216703809E-12 3.021709677947348E-12 6.600587016973571E-9 1.035815804369178E-11 1.885424632127098E-9 1.402192689776825E-12
node 8.364724762573566E-15 -1.790174379962692E-14 1.035815804369178E-11 1.367426348304537E-8 -1.364632462412864E-8 1.240900365115519E-10
peri -3.79984832463138E-13 8.78773513229768E-13 1.885424632127098E-9 -1.364632462412864E-8 1.41793857468374E-8 -1.235341492091313E-10
i 8.053115436206838E-16 -1.551554206361305E-15 1.402192689776825E-12 1.240900365115519E-10 -1.235341492091313E-10 2.392966439434056E-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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