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26800 (1981 EK1)
Classification: Main-belt Asteroid          SPK-ID: 2026800
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098435665737325 9.2977e-08  
a 2.425819661965687 2.2791e-08 AU
q 2.159358978430689 2.3685e-07 AU
i 8.296241732933044 1.0999e-05 deg
node 351.9017377239463 4.7368e-05 deg
peri 131.5272807993633 6.5027e-05 deg
M 312.6934035313141 4.6875e-05 deg
tp 2456981.844921215864
(2014-Nov-20.34492122)
0.00018041 JED
period 1380.022586932991
3.78
1.9448e-05
5.325e-08
d
yr
n .2608652955456883 3.6763e-09 deg/d
Q 2.692280345500684 2.5294e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      12013 days (32.89 yr)  
   first obs. used      1981-03-06  
   last obs. used      2014-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52734  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 00:26:27  

Additional Information
 Earth MOID = 1.184 AU 
 T_jup = 3.488 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO279794  

26800 (1981 EK1)          Discovered 1981-Mar-06 by Debehogne, H., DeSanctis, G. at La Silla (809)
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 EK1 = 1998 SO100 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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