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JPL Small-Body Database Browser
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56082 (1999 AK9)
Classification: Main-belt Asteroid          SPK-ID: 2056082
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1834507643265644 3.6677e-08  
a 2.387762773011406 1.2323e-08 au
q 1.949725867271947 8.6816e-08 au
i 2.478980819507263 7.354e-06 deg
node 153.3291754540663 0.00011808 deg
peri 306.2105042854047 0.00012051 deg
M 189.4899785878 2.2944e-05 deg
tp 2459238.811399438882
(2021-Jan-24.31139944)
8.6993e-05 TDB
period 1347.67506270195
3.69
1.0433e-05
2.856e-08
d
yr
n .267126705808622 2.0679e-09 deg/d
Q 2.825799678750865 1.4584e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      8500 days (23.27 yr)  
   first obs. used      1995-02-04  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6265  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 01:18:57  

Additional Information
 Earth MOID = .967932 au 
 Jupiter MOID = 2.33563 au 
 T_jup = 3.510 
[ 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 16.2   n/a MPO449363  

56082 (1999 AK9)          Discovered 1999-Jan-09 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AK9 = 2001 RQ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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