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JPL Small-Body Database Browser
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523250 (2017 AK22)
Classification: Main-belt Asteroid          SPK-ID: 2523250
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04141119979166134 5.5173e-08  
a 3.042887028175262 5.0455e-08 au
q 2.916877425508042 1.6293e-07 au
i 16.19866147924501 6.0461e-06 deg
node 229.9475116686677 2.3367e-05 deg
peri 338.6238048309572 8.1607e-05 deg
M 174.1181223902401 7.8122e-05 deg
tp 2458062.789790281982
(2017-Nov-05.28979028)
0.00042053 TDB
period 1938.773924645816
5.31
4.8221e-05
1.32e-07
d
yr
n .1856843623816358 4.6184e-09 deg/d
Q 3.168896630842483 5.2545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      5881 days (16.10 yr)  
   first obs. used      2003-09-20  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52939  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 20:11:11  

Additional Information
 Earth MOID = 1.91296 au 
 Jupiter MOID = 1.83344 au 
 T_jup = 3.177 
[ 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 15.7   n/a MPO448187  

523250 (2017 AK22)          Discovered 2009-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2018-05-31

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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