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173234 (1999 AK11)
Classification: Main-belt Asteroid          SPK-ID: 2173234
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03842166569105653 6.2276e-08  
a 2.716047952131585 2.2607e-08 au
q 2.611692865713907 1.7313e-07 au
i 7.1979589530919 6.837e-06 deg
node 122.2852194901088 4.668e-05 deg
peri 242.1808110714374 9.4103e-05 deg
M 28.90796749348082 7.9578e-05 deg
tp 2458869.213632083713
(2020-Jan-20.71363208)
0.00036149 TDB
period 1634.950380393283
4.48
2.0413e-05
5.589e-08
d
yr
n .2201901686541722 2.7492e-09 deg/d
Q 2.820403038549264 2.3476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      7629 days (20.89 yr)  
   first obs. used      1998-12-13  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62882  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:33:36  

Additional Information
 Earth MOID = 1.61591 au 
 Jupiter MOID = 2.36678 au 
 T_jup = 3.348 
[ 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 16.1   n/a MPO417933  

173234 (1999 AK11)          Discovered 1999-Jan-07 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1999 AK11 = 2004 BA135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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