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541266 (2011 EX16)
Classification: Main-belt Asteroid          SPK-ID: 2541266
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004510944306269 9.8286e-08  
a 3.001093211332913 5.9205e-08 au
q 2.699630113766197 3.0848e-07 au
i 9.042494905299591 7.5877e-06 deg
node 300.511718855048 4.4875e-05 deg
peri 183.0074080581011 6.9227e-05 deg
M 335.4750243928892 5.1159e-05 deg
tp 2459329.867068457086
(2021-Apr-25.36706846)
0.00027191 TDB
period 1898.968031228037
5.20
5.6194e-05
1.539e-07
d
yr
n .1895766511494102 5.6099e-09 deg/d
Q 3.302556308899628 6.5153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      4091 days (11.20 yr)  
   first obs. used      2009-10-26  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57512  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:40  

Additional Information
 Earth MOID = 1.71526 au 
 Jupiter MOID = 1.77933 au 
 T_jup = 3.226 
[ 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 16.74   n/a MPCxxxxx  

541266 (2011 EX16)          Discovered 2011-Jan-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 EX16 = 2014 TC15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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