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

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07620636769107519 1.8502e-08  
a 2.65561507253797 9.9891e-09 au
q 2.453240293874181 4.9125e-08 au
i 5.325640370657492 7.5428e-07 deg
node 331.7011758616396 8.6492e-06 deg
peri 266.64780022 1.7077e-05 deg
M 170.7706512418892 1.3064e-05 deg
tp 2458450.680297136824
(2018-Nov-28.18029714)		 5.5813e-05 TDB
period 1580.687846932152
4.33		 8.9186e-06
2.442e-08		 d
yr
n .2277489516343781 1.285e-09 deg/d
Q 2.85798985120176 1.075e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2148  
   data-arc span      9205 days (25.20 yr)  
   first obs. used      1995-12-27  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48838  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:42:22  

Additional Information
 Earth MOID = 1.44703 au 
 Jupiter MOID = 2.16617 au 
 T_jup = 3.378 
[ 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 13.64   n/a E2021B10  
diameter diameter 11.836 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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