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JPL Small-Body Database Browser
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215071 (2009 ET3)
Classification: Main-belt Asteroid          SPK-ID: 2215071
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444313288746403 6.0173e-08  
a 2.372392289813521 2.379e-08 au
q 2.029744518783803 1.4533e-07 au
i 8.291988857243352 6.6473e-06 deg
node 5.635919391847226 4.4107e-05 deg
peri 206.4236336634636 5.2438e-05 deg
M 248.5890273187466 3.3626e-05 deg
tp 2459013.550971411480
(2020-Jun-13.05097141)
0.00012799 TDB
period 1334.683165665902
3.65
2.0076e-05
5.497e-08
d
yr
n .2697269353962282 4.0572e-09 deg/d
Q 2.715040060843239 2.7226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      5506 days (15.07 yr)  
   first obs. used      2003-09-18  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67148  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:53:15  

Additional Information
 Earth MOID = 1.02866 au 
 Jupiter MOID = 2.26226 au 
 T_jup = 3.516 
[ 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 16.7   n/a MPO418153  

215071 (2009 ET3)          Discovered 2009-Mar-15 by La Sagra at La Sagra
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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