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173566 (2001 AA40)
Classification: Main-belt Asteroid          SPK-ID: 2173566
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09870923507778349 4.5111e-08  
a 2.262849244141136 9.2631e-09 au
q 2.039485126155624 1.0393e-07 au
i 6.765158747057217 4.4333e-06 deg
node 82.19564877724274 3.3628e-05 deg
peri 318.1896379559403 3.832e-05 deg
M 313.4127002383931 1.8535e-05 deg
tp 2459161.396611219442
(2020-Nov-07.89661122)
6.4001e-05 TDB
period 1243.316962678614
3.40
7.6344e-06
2.09e-08
d
yr
n .2895480483306627 1.7779e-09 deg/d
Q 2.486213362126648 1.0177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      7257 days (19.87 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56429  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:12  

Additional Information
 Earth MOID = 1.05391 au 
 Jupiter MOID = 2.84285 au 
 T_jup = 3.603 
[ 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 16.7   n/a MPO436861  

173566 (2001 AA40)          Discovered 2001-Jan-03 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 AA40 = 2003 UB83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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