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216405 (2008 ER132)
Classification: Main-belt Asteroid          SPK-ID: 2216405
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0440132332662528 8.5301e-08  
a 3.023272817982543 4.1866e-08 au
q 2.890208806217155 2.7461e-07 au
i 8.531534581271197 7.5611e-06 deg
node 201.2806712139613 3.9989e-05 deg
peri 137.753097949479 8.3309e-05 deg
M 333.9745042213568 7.7314e-05 deg
tp 2459339.306865309808
(2021-May-04.80686531)
0.0004137 TDB
period 1920.058389532668
5.26
3.9883e-05
1.092e-07
d
yr
n .187494298070603 3.8946e-09 deg/d
Q 3.15633682974793 4.3708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      8625 days (23.61 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:41  

Additional Information
 Earth MOID = 1.88756 au 
 Jupiter MOID = 2.02581 au 
 T_jup = 3.227 
[ 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 16.28   n/a MPCxxxxx  

216405 (2008 ER132)          Discovered 2008-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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