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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07558632038514392 5.0783e-08  
a 2.656326761610924 2.248e-08 AU
q 2.455544795960169 1.4246e-07 AU
i 5.325021586828045 6.0032e-06 deg
node 331.8041601919403 5.8309e-05 deg
peri 267.5181636609146 7.2142e-05 deg
M 28.92732049186013 4.0801e-05 deg
tp 2456873.434871539603
(2014-Aug-03.93487154)
0.00017933 JED
period 1581.323311940173
4.33
2.0074e-05
5.496e-08
d
yr
n .2276574292440584 2.8899e-09 deg/d
Q 2.857108727261679 2.4179e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      996  
   data-arc span      7115 days (19.48 yr)  
   first obs. used      1995-12-27  
   last obs. used      2015-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54411  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:28:41  

Additional Information
 Earth MOID = 1.45212 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
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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