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21253 (1996 AX3)
Classification: Main-belt Asteroid          SPK-ID: 2021253
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07543118230880735 5.5355e-08  
a 2.655885491065642 3.0282e-08 AU
q 2.455548908397753 1.5136e-07 AU
i 5.32503418461775 7.6088e-06 deg
node 331.8074993745485 6.5435e-05 deg
peri 267.51442467436 8.6438e-05 deg
M 343.3925958830384 6.0363e-05 deg
tp 2456873.430921237781
(2014-Aug-03.93092124)
0.00026556 JED
period 1580.929292783703
4.33
2.7038e-05
7.403e-08
d
yr
n .2277141689025898 3.8946e-09 deg/d
Q 2.856222073733532 3.2566e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      930  
   data-arc span      6621 days (18.13 yr)  
   first obs. used      1995-12-27  
   last obs. used      2014-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55524  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:32:27  

Additional Information
 Earth MOID = 1.4506 AU 
 T_jup = 3.378 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO263536  

21253 (1996 AX3)          Discovered 1996-Jan-13 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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