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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08804624058530561 6.7759e-08  
a 2.230242996411671 1.7006e-08 AU
q 2.033878484985916 1.4499e-07 AU
i 7.227432344838363 6.6801e-06 deg
node 333.8790034650071 4.7966e-05 deg
peri 75.59583242587212 6.8388e-05 deg
M 134.4943227580778 4.2598e-05 deg
tp 2456546.005999382536
(2013-Sep-10.50599938)
0.00014546 JED
period 1216.54086854354
3.33
1.3914e-05
3.809e-08
d
yr
n .2959210079238826 3.3846e-09 deg/d
Q 2.426607507837426 1.8503e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      8511 days (23.30 yr)  
   first obs. used      1990-11-13  
   last obs. used      2014-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50166  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:43:46  

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 (327)
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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