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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0880461949077242 6.1336e-08  
a 2.230242980578157 1.3859e-08 AU
q 2.033878572418589 1.3404e-07 AU
i 7.227432089800168 6.0145e-06 deg
node 333.8790045572373 4.7557e-05 deg
peri 75.59588606650208 5.8944e-05 deg
M 134.4942809013417 3.3716e-05 deg
tp 2456546.006145668164
(2013-Sep-10.50614567)
0.00011348 JED
period 1216.540855588371
3.33
1.1339e-05
3.104e-08
d
yr
n .2959210110752004 2.7583e-09 deg/d
Q 2.426607388737725 1.5079e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      820  
   data-arc span      8959 days (24.53 yr)  
   first obs. used      1990-11-13  
   last obs. used      2015-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4997  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:39:18  

Additional Information
 Earth MOID = 1.05684 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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