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117426 (2005 AM20)
Classification: Main-belt Asteroid          SPK-ID: 2117426
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330515087458356 3.5605e-08  
a 2.419055992781133 1.0228e-08 au
q 2.097196943200948 8.7112e-08 au
i 1.695390877561392 3.5603e-06 deg
node 198.5698145523747 0.00013514 deg
peri 264.3610785372852 0.00013586 deg
M 41.71196524392183 1.3295e-05 deg
tp 2458841.269793107504
(2019-Dec-23.76979311)
5.0588e-05 TDB
period 1374.25494450064
3.76
8.7161e-06
2.386e-08
d
yr
n .2619601271515253 1.6615e-09 deg/d
Q 2.740915042361319 1.1589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      726  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:12:26  

Additional Information
 Earth MOID = 1.11488 au 
 Jupiter MOID = 2.38728 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456977.5 (2014-Nov-16.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320731873964263 3.5603e-08  
q 2.100065613492437 8.7031e-08 au
tp 2457467.608708164472
(2016-Mar-20.10870816)
5.054e-05 TDB
node 198.5841488401863 0.00013528 deg
peri 264.5441457186662 0.00013601 deg
i 1.69345679282561 3.5592e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      726  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:12:26  

Additional Information
 Jupiter MOID = 2.38728 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.267562528277646E-15 -3.082479807134202E-15 -2.615675799097163E-13 1.024732344339619E-14 -6.963940961790645E-14 -5.014458958433562E-16
q -3.082479807134202E-15 7.574419354527363E-15 6.190501690637701E-13 -2.454870075332198E-14 1.56593422184904E-13 1.275193181398947E-15
tp -2.615675799097163E-13 6.190501690637701E-13 2.554268908730109E-9 -8.563436369634625E-12 7.263351491162603E-10 4.73162571829733E-13
node 1.024732344339619E-14 -2.454870075332198E-14 -8.563436369634625E-12 1.830009402198924E-8 -1.829427059061306E-8 8.533075872261065E-11
peri -6.963940961790645E-14 1.56593422184904E-13 7.263351491162603E-10 -1.829427059061306E-8 1.849818637733361E-8 -8.517094867591278E-11
i -5.014458958433562E-16 1.275193181398947E-15 4.73162571829733E-13 8.533075872261065E-11 -8.517094867591278E-11 1.266772972313424E-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 16.2   n/a MPO366548  

117426 (2005 AM20)          Discovered 2005-Jan-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 AM20 = 2002 JT130 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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