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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1330838858571239 3.6854e-08  
a 2.419020411842869 1.2017e-08 au
q 2.09708777546712 9.1656e-08 au
i 1.695459257219156 3.9452e-06 deg
node 198.5773634978484 0.0001368 deg
peri 264.4523392807023 0.00013763 deg
M 296.8516300897112 1.5419e-05 deg
tp 2458841.555680364185
(2019-Dec-24.05568036)
5.9533e-05 TDB
period 1374.224624553097
3.76
1.024e-05
2.804e-08
d
yr
n .2619659068597125 1.9521e-09 deg/d
Q 2.740953048218619 1.3616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      6955 days (19.04 yr)  
   first obs. used      2000-11-21  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:48:17  

Additional Information
 Earth MOID = 1.11493 au 
 Jupiter MOID = 2.38824 au 
 T_jup = 3.502 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456782.5 (2014-May-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1320873125337732 3.6854e-08  
q 2.100085613619839 9.1593e-08 au
tp 2457467.445702253438
(2016-Mar-19.94570225)
5.6845e-05 TDB
node 198.5936222376078 0.00013696 deg
peri 264.4969724762635 0.0001378 deg
i 1.693364597479711 3.9436e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      6955 days (19.04 yr)  
   first obs. used      2000-11-21  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:48:17  

Additional Information
 Jupiter MOID = 2.38824 au 
 T_jup = 3.502 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.358200537481012E-15 -3.354177336760639E-15 -5.059533119695985E-13 1.489842610041024E-14 -1.262239526760766E-13 -2.674462217859079E-16
q -3.354177336760639E-15 8.389356476270927E-15 1.355714431757579E-12 -3.690385104333465E-14 3.25614749649332E-13 7.473659255423793E-16
tp -5.059533119695985E-13 1.355714431757579E-12 3.231360823698908E-9 -1.352249124143962E-11 8.750651057776902E-10 7.359801214234613E-13
node 1.489842610041024E-14 -3.690385104333465E-14 -1.352249124143962E-11 1.875759994621678E-8 -1.875255611319517E-8 1.162623323450998E-10
peri -1.262239526760766E-13 3.25614749649332E-13 8.750651057776902E-10 -1.875255611319517E-8 1.898775056175089E-8 -1.1602454843721E-10
i -2.674462217859079E-16 7.473659255423793E-16 7.359801214234613E-13 1.162623323450998E-10 -1.1602454843721E-10 1.5551757167854E-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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