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541956 (2012 EE20)
Classification: Main-belt Asteroid          SPK-ID: 2541956
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07910755457911163 1.0163e-07  
a 2.891920011517514 4.6826e-08 au
q 2.663147291367967 2.819e-07 au
i 3.234360109368156 4.971e-06 deg
node 106.1385805596168 0.00016069 deg
peri 220.1081739559747 0.00017192 deg
M 136.932148824705 6.4875e-05 deg
tp 2458517.248231786121
(2019-Feb-02.74823179)
0.00032112 TDB
period 1796.295746967926
4.92
4.3628e-05
1.194e-07
d
yr
n .2004124324224813 4.8676e-09 deg/d
Q 3.120692731667061 5.053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      6887 days (18.86 yr)  
   first obs. used      2002-04-07  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63169  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:59  

Additional Information
 Earth MOID = 1.65022 au 
 Jupiter MOID = 2.12832 au 
 T_jup = 3.283 
[ 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 16.99   .44937 MPCxxxxx autocmod 2.6n

541956 (2012 EE20)          Discovered 2012-Mar-13 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

Alternate Designations
 2012 EE20 = 2016 AF42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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