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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07543122206619847 5.0974e-08  
a 2.655885450196802 2.2561e-08 AU
q 2.455548765020621 1.4308e-07 AU
i 5.32502312960321 6.0061e-06 deg
node 331.8075460225877 5.8435e-05 deg
peri 267.5143433279165 7.231e-05 deg
M 343.3926401566306 4.0942e-05 deg
tp 2456873.430725128228
(2014-Aug-03.93072513)
0.00017973 JED
period 1580.929256292626
4.33
2.0145e-05
5.515e-08
d
yr
n .227714174158698 2.9016e-09 deg/d
Q 2.856222135372982 2.4263e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      976  
   data-arc span      6745 days (18.47 yr)  
   first obs. used      1995-12-27  
   last obs. used      2014-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54646  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:46:19  

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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