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21318 (1996 XU26)
Classification: Main-belt Asteroid          SPK-ID: 2021318
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08794221431386229 6.0205e-08  
a 2.230457946184766 1.3269e-08 au
q 2.034306535463328 1.3213e-07 au
i 7.227387514856702 5.7013e-06 deg
node 333.8773807813572 4.7541e-05 deg
peri 75.49006314057134 5.7508e-05 deg
M 252.9776201179654 3.2519e-05 deg
tp 2457762.210894254808
(2017-Jan-08.71089425)
0.00011079 JED
period 1216.716747237926
3.33
1.0858e-05
2.973e-08
d
yr
n .2958782319855772 2.6403e-09 deg/d
Q 2.426609356906204 1.4436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      8987 days (24.61 yr)  
   first obs. used      1990-11-13  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49704  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:28:48  

Additional Information
 Earth MOID = 1.05628 au 
 Jupiter MOID = 2.83924 au 
 T_jup = 3.627 
[ 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 14.6 mag n/a MPO309320  

21318 (1996 XU26)          Discovered 1996-Dec-08 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 XU26 = 1991 CV6 = 1998 FP103 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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