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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330515090364001 3.543e-08  
a 2.419055992730546 1.0158e-08 au
q 2.0971969424542 8.6583e-08 au
i 1.695390843752445 3.5419e-06 deg
node 198.5698134005458 0.00013443 deg
peri 264.3610796899548 0.00013515 deg
M 41.71196527411503 1.3221e-05 deg
tp 2458841.269792997240
(2019-Dec-23.76979300)
5.032e-05 TDB
period 1374.254944457532
3.76
8.656e-06
2.37e-08
d
yr
n .2619601271597424 1.65e-09 deg/d
Q 2.740915043006892 1.1509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7121 days (19.50 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:18:47  

Additional Information
 Earth MOID = 1.11488 au 
 Jupiter MOID = 2.38728 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457019.5 (2014-Dec-28.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320700525971349 3.5427e-08  
q 2.100045364839319 8.6498e-08 au
tp 2457467.637581969990
(2016-Mar-20.13758197)
5.0366e-05 TDB
node 198.5828094745135 0.00013456 deg
peri 264.5536975155323 0.00013529 deg
i 1.693489488945734 3.5408e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      733  
   data-arc span      7121 days (19.50 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:18:47  

Additional Information
 Jupiter MOID = 2.38728 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.255038833450492E-15 -3.048442731961334E-15 -2.467161326250154E-13 1.052587717395173E-14 -6.694332725500603E-14 -4.81313492243509E-16
q -3.048442731961334E-15 7.481974890567227E-15 5.786364180537489E-13 -2.526896718874855E-14 1.491966628332208E-13 1.222250719171414E-15
tp -2.467161326250154E-13 5.786364180537489E-13 2.536703337232102E-9 -8.44722775690984E-12 7.227385803996113E-10 4.605913825127201E-13
node 1.052587717395173E-14 -2.526896718874855E-14 -8.44722775690984E-12 1.810646327057125E-8 -1.810068365924205E-8 8.031298235012184E-11
peri -6.694332725500603E-14 1.491966628332208E-13 7.227385803996113E-10 -1.810068365924205E-8 1.830396096110054E-8 -8.015749947920364E-11
i -4.81313492243509E-16 1.222250719171414E-15 4.605913825127201E-13 8.031298235012184E-11 -8.015749947920364E-11 1.253760960558057E-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

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