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21172 (1994 CK10)
Classification: Main-belt Asteroid          SPK-ID: 2021172
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09679656961648372 2.8845e-08  
a 2.283669621938656 7.1008e-09 au
q 2.062618236397622 6.7748e-08 au
i 3.672333190535134 3.1349e-06 deg
node 92.41314280614748 5.8362e-05 deg
peri 354.8735216582031 6.2729e-05 deg
M 334.4081252453532 2.1362e-05 deg
tp 2459290.108238469985
(2021-Mar-16.60823847)
7.4691e-05 TDB
period 1260.515931656675
3.45
5.8792e-06
1.61e-08
d
yr
n .2855973422936893 1.3321e-09 deg/d
Q 2.50472100747969 7.7882e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1731  
   data-arc span      10892 days (29.82 yr)  
   first obs. used      1991-05-18  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50244  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:40:54  

Additional Information
 Earth MOID = 1.07869 au 
 Jupiter MOID = 2.64221 au 
 T_jup = 3.595 
[ 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 15.23   n/a E2021B10  

21172 (1994 CK10)          Discovered 1994-Feb-07 by Elst, E. W. at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 CK10 = 1996 XL26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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