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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02709758429718979 4.5268e-08  
a 2.920818735076893 2.3955e-08 au
q 2.841671603186335 1.3186e-07 au
i 2.761178236703662 5.347e-06 deg
node 58.29761499726705 0.00010005 deg
peri 112.2674298861042 0.00013922 deg
M 258.016185375875 9.7277e-05 deg
tp 2459117.016366142209
(2020-Sep-24.51636614)
0.00049417 TDB
period 1823.288258990149
4.99
2.243e-05
6.141e-08
d
yr
n .1974454660281696 2.429e-09 deg/d
Q 2.99996586696745 2.4604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      664  
   data-arc span      6956 days (19.04 yr)  
   first obs. used      1999-12-18  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54962  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:34:31  

Additional Information
 Earth MOID = 1.84787 au 
 Jupiter MOID = 1.96143 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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