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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07595434900051196 4.2162e-08  
a 2.656208474659668 1.7767e-08 au
q 2.45445788915725 1.1229e-07 au
i 5.324633814915577 5.8735e-06 deg
node 331.7986686102471 4.9329e-05 deg
peri 267.5263325221521 6.3922e-05 deg
M 165.4792027941154 3.9792e-05 deg
tp 2456873.670437635508
(2014-Aug-04.17043764)
0.00017476 JED
period 1581.217687982009
4.33
1.5865e-05
4.344e-08
d
yr
n .2276726365611564 2.2844e-09 deg/d
Q 2.857959060162086 1.9117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      7312 days (20.02 yr)  
   first obs. used      1995-12-27  
   last obs. used      2016-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56599  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 19:32:16  

Additional Information
 Earth MOID = 1.44928 au 
 Jupiter MOID = 2.16825 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 13.6 mag n/a MPO347687  

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