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JPL Small-Body Database Browser
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351399 (2005 ET240)
Classification: Main-belt Asteroid          SPK-ID: 2351399
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409906538063657 6.3379e-08  
a 2.52541660553181 2.7997e-08 au
q 2.169356467184427 1.6117e-07 au
i 13.28070900890069 6.5509e-06 deg
node 154.1593041394663 3.0782e-05 deg
peri 78.70597258717646 4.3763e-05 deg
M 214.6332817559071 3.9455e-05 deg
tp 2459592.416518380613
(2022-Jan-12.91651838)
0.0001665 TDB
period 1465.878498125067
4.01
2.4377e-05
6.674e-08
d
yr
n .245586520615766 4.084e-09 deg/d
Q 2.881476743879193 3.1945e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6340 days (17.36 yr)  
   first obs. used      2002-07-20  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67597  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:10:53  

Additional Information
 Earth MOID = 1.20622 au 
 Jupiter MOID = 2.21083 au 
 T_jup = 3.403 
[ 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 16.8   n/a MPO503401  

351399 (2005 ET240)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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