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266502 (2008 ET15)
Classification: Main-belt Asteroid          SPK-ID: 2266502
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1041629125825654 5.1245e-08  
a 2.260548594204687 1.4464e-08 au
q 2.025083268597903 1.1456e-07 au
i 2.475693257774298 6.2508e-06 deg
node 154.1099564103061 0.00012162 deg
peri 77.51907484636543 0.00012606 deg
M 175.3326990587219 3.2111e-05 deg
tp 2458395.884028245397
(2018-Oct-04.38402825)
0.000109 TDB
period 1241.421315020984
3.40
1.1915e-05
3.262e-08
d
yr
n .2899901875729552 2.7833e-09 deg/d
Q 2.496013919811471 1.5971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      242  
   data-arc span      6790 days (18.59 yr)  
   first obs. used      2001-02-21  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57343  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:04:48  

Additional Information
 Earth MOID = 1.01607 au 
 Jupiter MOID = 2.48783 au 
 T_jup = 3.612 
[ 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 17.5   n/a MPO437227  

266502 (2008 ET15)          Discovered 2008-Mar-01 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2008 ET15 = 2002 SB71 = 2006 US46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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