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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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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 
[ show covariance matrix ]

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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