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541290 (2011 ER82)
Classification: Main-belt Asteroid          SPK-ID: 2541290
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06339117542984481 5.4707e-08  
a 3.012811813314379 4.2322e-08 au
q 2.821826131119458 1.6692e-07 au
i 1.716703911359087 6.7811e-06 deg
node 131.1514878583228 0.00018915 deg
peri 114.4347801778217 0.00019888 deg
M 248.577200227463 6.4608e-05 deg
tp 2459791.691255189339
(2022-Jul-31.19125519)
0.00034846 TDB
period 1910.101454124644
5.23
4.0248e-05
1.102e-07
d
yr
n .1884716642786809 3.9713e-09 deg/d
Q 3.2037974955093 4.5005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      7224 days (19.78 yr)  
   first obs. used      2001-05-24  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:45  

Additional Information
 Earth MOID = 1.80734 au 
 Jupiter MOID = 1.79613 au 
 T_jup = 3.245 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.81   .31626 MPCxxxxx autocmod 2.8

541290 (2011 ER82)          Discovered 2008-Sep-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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