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277595 (2006 AQ21)
Classification: Main-belt Asteroid          SPK-ID: 2277595
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .06192649474826056 7.0704e-08  
a 2.571160477240753 2.4711e-08 au
q 2.411937521449969 1.7816e-07 au
i 15.71562562367849 5.1229e-06 deg
node 97.90202358345863 2.5048e-05 deg
peri 122.1672220285562 5.3533e-05 deg
M 89.17775024935918 4.3402e-05 deg
tp 2458627.467892798457
(2019-May-23.96789280)
0.00018263 TDB
period 1505.886369829344
4.12
2.1709e-05
5.944e-08
d
yr
n .2390618623108976 3.4464e-09 deg/d
Q 2.730383433031538 2.6241e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      6351 days (17.39 yr)  
   first obs. used      2002-02-12  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61456  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:13:15  

Additional Information
 Earth MOID = 1.43046 au 
 Jupiter MOID = 2.37483 au 
 T_jup = 3.374 
[ 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 16.3   n/a MPO476190  

277595 (2006 AQ21)          Discovered 2006-Jan-05 by CSS at Catalina
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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