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117422 (2005 AG18)
Classification: Main-belt Asteroid          SPK-ID: 2117422
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475652848142928 4.7976e-08  
a 2.424515556325829 1.1626e-08 au
q 2.066741227719925 1.1686e-07 au
i 2.275851679710178 5.3536e-06 deg
node 308.6865945985827 0.00011251 deg
peri 141.5580514273925 0.00011378 deg
M 55.63105011231207 1.5146e-05 deg
tp 2458787.416095284825
(2019-Oct-30.91609528)
5.788e-05 TDB
period 1378.909899104812
3.78
9.9185e-06
2.716e-08
d
yr
n .2610757963473262 1.8779e-09 deg/d
Q 2.782289884931734 1.3342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      8009 days (21.93 yr)  
   first obs. used      1998-05-18  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5196  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:12:26  

Additional Information
 Earth MOID = 1.08389 au 
 Jupiter MOID = 2.39763 au 
 T_jup = 3.495 
[ 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 16.5   n/a MPO264143  

117422 (2005 AG18)          Discovered 2005-Jan-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 AG18 = 1998 KH5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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