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117458 (2005 AN71)
Classification: Main-belt Asteroid          SPK-ID: 2117458
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 .02334040336250344 4.6024e-08  
a 3.082719540100751 3.0407e-08 au
q 3.010767622581329 1.4189e-07 au
i 11.49156201530326 4.7332e-06 deg
node 114.1138641937604 2.5451e-05 deg
peri 201.6257732531105 0.0001142 deg
M 115.900869991874 0.00011101 deg
tp 2458364.021636330980
(2018-Sep-02.52163633)
0.00061159 TDB
period 1976.967135250253
5.41
2.9251e-05
8.008e-08
d
yr
n .1820971090419414 2.6943e-09 deg/d
Q 3.154671457620174 3.1117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      9516 days (26.05 yr)  
   first obs. used      1994-01-07  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61396  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:46:37  

Additional Information
 Earth MOID = 1.99789 au 
 Jupiter MOID = 2.01518 au 
 T_jup = 3.196 
[ 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 15.3   n/a MPO453645  

117458 (2005 AN71)          Discovered 2005-Jan-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 AN71 = 2000 EM31 = 2003 WG169 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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