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JPL Small-Body Database Browser
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71243 (2000 AK9)
Classification: Main-belt Asteroid          SPK-ID: 2071243
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1968873524420351 4.6136e-08  
a 2.638787472670467 1.5663e-08 au
q 2.119243593519169 1.2055e-07 au
i 7.164918421868646 5.1656e-06 deg
node 69.69258147610326 3.8539e-05 deg
peri 320.8296078974898 4.088e-05 deg
M 323.9167607007048 1.8005e-05 deg
tp 2459157.430755340753
(2020-Nov-03.93075534)
7.9293e-05 TDB
period 1565.687366759629
4.29
1.394e-05
3.817e-08
d
yr
n .2299309604477819 2.0472e-09 deg/d
Q 3.158331351821764 1.8747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      709  
   data-arc span      9989 days (27.35 yr)  
   first obs. used      1992-03-01  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52037  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:22:56  

Additional Information
 Earth MOID = 1.13094 au 
 Jupiter MOID = 2.28845 au 
 T_jup = 3.357 
[ 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 15.1   n/a MPO432266  
diameter diameter 6.442 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71243 (2000 AK9)          Discovered 2000-Jan-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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