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JPL Small-Body Database Browser
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226585 (2004 AP12)
Classification: Main-belt Asteroid          SPK-ID: 2226585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06813964110284836 7.098e-08  
a 2.190850344047021 1.4592e-08 au
q 2.041566587893605 1.5585e-07 au
i 3.574333641758829 6.8222e-06 deg
node 90.4156690828986 0.00011395 deg
peri 51.14392577309086 0.00012245 deg
M 231.3798173209006 4.3267e-05 deg
tp 2459023.679008184191
(2020-Jun-23.17900818)
0.000143 TDB
period 1184.452080327083
3.24
1.1834e-05
3.24e-08
d
yr
n .3039380030474402 3.0366e-09 deg/d
Q 2.340134100200437 1.5587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      8952 days (24.51 yr)  
   first obs. used      1993-12-17  
   last obs. used      2018-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69142  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:49:32  

Additional Information
 Earth MOID = 1.05713 au 
 Jupiter MOID = 2.65719 au 
 T_jup = 3.667 
[ 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 18.1   n/a MPO454627  

226585 (2004 AP12)          Discovered 2004-Jan-13 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2004 AP12 = 2006 WY171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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