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215232 (2001 AK12)
Classification: Main-belt Asteroid          SPK-ID: 2215232
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1087608887943941 4.9266e-08  
a 2.679055235716549 2.6983e-08 au
q 2.387678807150742 1.3522e-07 au
i 12.2356273835282 5.6881e-06 deg
node 289.4589073175553 3.0543e-05 deg
peri 300.6739538717695 4.3293e-05 deg
M 315.5264407245327 3.1809e-05 deg
tp 2458798.365608870207
(2019-Nov-10.86560887)
0.00014178 TDB
period 1601.662209045808
4.39
2.4198e-05
6.625e-08
d
yr
n .2247664944373448 3.3957e-09 deg/d
Q 2.970431664282356 2.9918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      6681 days (18.29 yr)  
   first obs. used      2000-12-21  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51922  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:25:04  

Additional Information
 Earth MOID = 1.40125 au 
 Jupiter MOID = 2.17258 au 
 T_jup = 3.336 
[ 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 15.4   n/a MPO437030  
diameter diameter 5.206 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215232 (2001 AK12)          Discovered 2001-Jan-02 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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