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26083 (1981 EJ11)
Classification: Main-belt Asteroid          SPK-ID: 2026083
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729990772365565 2.9403e-08  
a 2.457186975695798 9.3619e-09 au
q 2.03209589630274 7.2883e-08 au
i 3.703622137490207 3.3987e-06 deg
node 294.3138042259888 6.608e-05 deg
peri 6.715549778245433 6.7457e-05 deg
M 323.2123572183085 1.6367e-05 deg
tp 2459144.265670389313
(2020-Oct-21.76567039)
6.4444e-05 TDB
period 1406.875717677415
3.85
8.0403e-06
2.201e-08
d
yr
n .2558861422345944 1.4624e-09 deg/d
Q 2.882278055088856 1.0982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1770  
   data-arc span      14229 days (38.96 yr)  
   first obs. used      1981-02-12  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:38:15  

Additional Information
 Earth MOID = 1.0166 au 
 Jupiter MOID = 2.33667 au 
 T_jup = 3.468 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO337479  
rotation period rot_per 347. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Warner, B.D. (2018) Minor Planet Bull. 45, 190-195.]

26083 (1981 EJ11)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EJ11 = 2000 CT51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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