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117425 (2005 AK20)
Classification: Main-belt Asteroid          SPK-ID: 2117425
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0268084470389356 4.0797e-08  
a 2.920415605204256 1.9782e-08 au
q 2.842123798120456 1.2427e-07 au
i 2.760856207706134 4.3881e-06 deg
node 58.29003276331873 9.4441e-05 deg
peri 112.288858418776 0.00013007 deg
M 336.9594151976125 8.8239e-05 deg
tp 2459117.169252306447
(2020-Sep-24.66925231)
0.00044679 TDB
period 1822.910798078738
4.99
1.8521e-05
5.071e-08
d
yr
n .1974863500613541 2.0065e-09 deg/d
Q 2.998707412288055 2.0312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      7429 days (20.34 yr)  
   first obs. used      1999-12-18  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52423  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:12:26  

Additional Information
 Earth MOID = 1.84786 au 
 Jupiter MOID = 1.96133 au 
 T_jup = 3.278 
[ 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 15.1   n/a MPO417611  

117425 (2005 AK20)          Discovered 2005-Jan-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 AK20 = 2000 GL186 = 2000 GR122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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