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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1976980845361916 5.006e-08  
a 2.64118508467637 1.6607e-08 au
q 2.119027852530292 1.2995e-07 au
i 7.169718776557982 5.1947e-06 deg
node 69.7149007554542 4.1928e-05 deg
peri 320.5254584292468 4.4072e-05 deg
M 232.3994154180944 1.7556e-05 deg
tp 2459156.208249864427
(2020-Nov-02.70824986)
8.0099e-05 TDB
period 1567.821735352477
4.29
1.4787e-05
4.048e-08
d
yr
n .2296179418121569 2.1657e-09 deg/d
Q 3.163342316822447 1.989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      9599 days (26.28 yr)  
   first obs. used      1992-03-01  
   last obs. used      2018-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51754  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:14:01  

Additional Information
 Earth MOID = 1.13009 au 
 Jupiter MOID = 2.28229 au 
 T_jup = 3.356 
[ 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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