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JPL Small-Body Database Browser
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71678 (2000 ET172)
Classification: Main-belt Asteroid          SPK-ID: 2071678
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07094945448131765 5.3371e-08  
a 2.948933909108189 2.1441e-08 au
q 2.739708656955504 1.6116e-07 au
i .8708061259795996 5.9805e-06 deg
node 349.5074188599609 0.00034811 deg
peri 67.35382984691446 0.00035088 deg
M 1.306945580327808 4.2524e-05 deg
tp 2458593.784923114535
(2019-Apr-20.28492311)
0.00021847 TDB
period 1849.677381487571
5.06
2.0173e-05
5.523e-08
d
yr
n .1946285355506031 2.1226e-09 deg/d
Q 3.158159161260875 2.2962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      9037 days (24.74 yr)  
   first obs. used      1995-01-29  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56064  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:30:49  

Additional Information
 Earth MOID = 1.75123 au 
 Jupiter MOID = 2.08546 au 
 T_jup = 3.266 
[ 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 15.6   n/a MPO236702  

71678 (2000 ET172)          Discovered 2000-Mar-01 by Spacewatch at Kitt Peak
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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