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JPL Small-Body Database Browser
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347155 (2011 ET19)
Classification: Main-belt Asteroid          SPK-ID: 2347155
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388837570700593 5.068e-08  
a 2.600457158220561 2.9742e-08 au
q 2.23929589798716 1.4212e-07 au
i 8.876054647255234 7.7245e-06 deg
node 6.553404332235231 3.6882e-05 deg
peri 220.8544373835548 5.2705e-05 deg
M 35.8183248993809 4.2496e-05 deg
tp 2458848.103233441644
(2019-Dec-30.60323344)
0.00017901 TDB
period 1531.697423459251
4.19
2.6278e-05
7.195e-08
d
yr
n .2350333652628079 4.0322e-09 deg/d
Q 2.961618418453963 3.3873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      5286 days (14.47 yr)  
   first obs. used      2004-10-11  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:24:58  

Additional Information
 Earth MOID = 1.23917 au 
 Jupiter MOID = 2.04917 au 
 T_jup = 3.384 
[ 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 MPO427780  

347155 (2011 ET19)          Discovered 2004-Oct-11 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2011 ET19 = 2004 TW311 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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