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134139 (2005 AK31)
Classification: Main-belt Asteroid          SPK-ID: 2134139
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0482642738822737 5.7803e-08  
a 2.545057464066353 1.8292e-08 au
q 2.42222211357453 1.4928e-07 au
i 15.82602292390122 5.0458e-06 deg
node 107.2155177087307 2.1858e-05 deg
peri 79.69821178446414 6.0777e-05 deg
M 262.1783546380366 5.8328e-05 deg
tp 2459603.474233946142
(2022-Jan-23.97423395)
0.00024196 TDB
period 1483.012514089443
4.06
1.5989e-05
4.378e-08
d
yr
n .2427491316356402 2.6171e-09 deg/d
Q 2.667892814558177 1.9175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7319 days (20.04 yr)  
   first obs. used      2001-01-04  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55558  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:59:19  

Additional Information
 Earth MOID = 1.48265 au 
 Jupiter MOID = 2.44775 au 
 T_jup = 3.389 
[ 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 15.9   n/a MPO436655  

134139 (2005 AK31)          Discovered 2005-Jan-11 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 2005 AK31 = 2002 LA57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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