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JPL Small-Body Database Browser
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26365 (1999 AK21)
Classification: Main-belt Asteroid          SPK-ID: 2026365
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2243973334954922 3.6182e-08  
a 2.556136939834136 1.2724e-08 au
q 1.982546626486029 8.9968e-08 au
i 15.89500001811923 4.3802e-06 deg
node 127.9026010411546 1.6414e-05 deg
peri 225.9815547358355 2.0823e-05 deg
M 87.48817495451729 1.4717e-05 deg
tp 2458237.738275348633
(2018-Apr-29.23827535)
6.0248e-05 TDB
period 1492.707110902525
4.09
1.1146e-05
3.052e-08
d
yr
n .2411725631710402 1.8008e-09 deg/d
Q 3.129727253182244 1.5579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      10897 days (29.83 yr)  
   first obs. used      1989-06-05  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50581  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:57:33  

Additional Information
 Earth MOID = 1.00523 au 
 Jupiter MOID = 2.35303 au 
 T_jup = 3.349 
[ 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 13.6   n/a MPO324552  

26365 (1999 AK21)          Discovered 1999-Jan-14 by Korlevic, K. at Visnjan
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AK21 = 1989 LB1 = 2000 EZ138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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