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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457665.5 (2016-Oct-04.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04133627935047507 5.501e-08  
q 2.917543546513172 1.6296e-07 au
tp 2458081.704436369541
(2017-Nov-24.20443637)
0.00042231 TDB
node 229.9846242685729 2.3387e-05 deg
peri 342.3314733164948 8.2005e-05 deg
i 16.18845803920065 6.0444e-06 deg
  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
 Jupiter MOID = 1.83344 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.026079653917429E-15 -8.580452706577057E-15 -1.762203190420662E-12 5.223563803628935E-15 -3.829327656411702E-13 2.473668757854401E-17
q -8.580452706577057E-15 2.655729450742917E-14 4.364343164589029E-12 -1.694995754034821E-14 8.747962188373927E-13 6.444482752559107E-15
tp -1.762203190420662E-12 4.364343164589029E-12 1.783439187686111E-7 2.911215719157616E-11 3.324120718911665E-8 -7.953205443463307E-12
node 5.223563803628935E-15 -1.694995754034821E-14 2.911215719157616E-11 5.469485737790113E-10 -5.197017095862588E-10 -3.200501260612324E-12
peri -3.829327656411702E-13 8.747962188373927E-13 3.324120718911665E-8 -5.197017095862588E-10 6.724850438275124E-9 1.239761364057687E-12
i 2.473668757854401E-17 6.444482752559107E-15 -7.953205443463307E-12 -3.200501260612324E-12 1.239761364057687E-12 3.653516915829432E-11

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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