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JPL Small-Body Database Browser
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26803 (1981 ES26)
Classification: Main-belt Asteroid          SPK-ID: 2026803
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016160490182139 4.2937e-08  
a 2.458369056155336 1.0032e-08 au
q 2.208559305640196 1.0372e-07 au
i 2.469946762833439 4.4921e-06 deg
node 208.981438710675 8.371e-05 deg
peri 2.575143410970164 8.5593e-05 deg
M 33.97026185797329 1.7799e-05 deg
tp 2458867.648812157787
(2020-Jan-19.14881216)
6.9495e-05 TDB
period 1407.891049623196
3.85
8.618e-06
2.359e-08
d
yr
n .2557016042515147 1.5652e-09 deg/d
Q 2.708178806670477 1.1052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1259  
   data-arc span      14228 days (38.95 yr)  
   first obs. used      1981-02-12  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:51:47  

Additional Information
 Earth MOID = 1.20264 au 
 Jupiter MOID = 2.25541 au 
 T_jup = 3.483 
[ 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 15.3   n/a MPO431810  

26803 (1981 ES26)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 ES26 = 2000 BY10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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