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JPL Small-Body Database Browser
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215869 (2005 ET156)
Classification: Main-belt Asteroid          SPK-ID: 2215869
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 .1453747921776014 3.4663e-08  
a 2.555249709322902 1.7738e-08 au
q 2.183780813868208 8.8642e-08 au
i 2.781259866331147 5.9478e-06 deg
node 347.37143550 9.6686e-05 deg
peri 230.2482181500075 9.9807e-05 deg
M 132.7835675194692 2.5803e-05 deg
tp 2458050.211698671446
(2017-Oct-23.71169867)
0.00010475 TDB
period 1491.930004435471
4.08
1.5535e-05
4.253e-08
d
yr
n .2412981835137901 2.5125e-09 deg/d
Q 2.926718604777595 2.0316e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      6371 days (17.44 yr)  
   first obs. used      2001-03-04  
   last obs. used      2018-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54608  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:50:37  

Additional Information
 Earth MOID = 1.17796 au 
 Jupiter MOID = 2.05356 au 
 T_jup = 3.421 
[ 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 16.5   n/a MPO454550  

215869 (2005 ET156)          Discovered 2005-Mar-09 by LONEOS at Anderson Mesa
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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