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JPL Small-Body Database Browser
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117421 (2005 AA18)
Classification: Main-belt Asteroid          SPK-ID: 2117421
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .08593095221294614 3.6208e-08  
a 2.201611905069679 9.3704e-09 au
q 2.012425297663683 7.8006e-08 au
i 5.895777845104261 4.8953e-06 deg
node 290.3897914454736 3.7383e-05 deg
peri 269.4148267880513 4.7158e-05 deg
M 69.78295073745892 2.9065e-05 deg
tp 2458369.210241316987
(2018-Sep-07.71024132)
9.6257e-05 TDB
period 1193.189915960218
3.27
7.6176e-06
2.086e-08
d
yr
n .3017122380809684 1.9262e-09 deg/d
Q 2.390798512475675 1.0176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      7465 days (20.44 yr)  
   first obs. used      1999-05-18  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61219  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:51:01  

Additional Information
 Earth MOID = 1.02027 au 
 Jupiter MOID = 2.60182 au 
 T_jup = 3.653 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO436564  

117421 (2005 AA18)          Discovered 2005-Jan-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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