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541948 (2012 EN13)
Classification: Main-belt Asteroid          SPK-ID: 2541948
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08602542287149317 5.3533e-08  
a 2.728165111447679 2.6808e-08 au
q 2.493473554072138 1.5345e-07 au
i 3.656360353877519 5.9886e-06 deg
node 260.5773022188459 9.243e-05 deg
peri 179.745507574298 0.00010401 deg
M 58.21036465419631 4.4372e-05 deg
tp 2458934.364859802601
(2020-Mar-25.86485980)
0.00020252 TDB
period 1645.903629709644
4.51
2.426e-05
6.642e-08
d
yr
n .2187248351007696 3.2239e-09 deg/d
Q 2.96285666882322 2.9114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      7079 days (19.38 yr)  
   first obs. used      2001-10-19  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:59  

Additional Information
 Earth MOID = 1.50877 au 
 Jupiter MOID = 2.22369 au 
 T_jup = 3.347 
[ 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 17.23   n/a MPCxxxxx  

541948 (2012 EN13)          Discovered 2006-Dec-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2012 EN13 = 2016 AR27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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