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541220 (2011 CT)
Classification: Main-belt Asteroid          SPK-ID: 2541220
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1118617419763986 7.3104e-08  
a 2.856688721783495 4.8642e-08 au
q 2.537134545080462 2.089e-07 au
i 6.380804262340912 7.7884e-06 deg
node 48.03994900665445 5.4361e-05 deg
peri 342.4886759212569 6.1496e-05 deg
M 158.564340828294 3.2892e-05 deg
tp 2458619.723938960016
(2019-May-16.22393896)
0.00015136 TDB
period 1763.570425189165
4.83
4.5043e-05
1.233e-07
d
yr
n .204131343357828 5.2137e-09 deg/d
Q 3.176242898486529 5.4083e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      4172 days (11.42 yr)  
   first obs. used      2009-11-08  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58397  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:41  

Additional Information
 Earth MOID = 1.54304 au 
 Jupiter MOID = 2.25376 au 
 T_jup = 3.285 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457401.5 (2016-Jan-14.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10890240809554 7.2437e-08  
q 2.548717991885127 2.0612e-07 au
tp 2456850.360244395594
(2014-Jul-11.86024440)
0.00014301 TDB
node 48.14451300286278 5.4504e-05 deg
peri 341.7715104183171 6.2116e-05 deg
i 6.371518321688313 7.7719e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      4172 days (11.42 yr)  
   first obs. used      2009-11-08  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58397  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:41  

Additional Information
 Jupiter MOID = 2.25376 au 
 T_jup = 3.285 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.247176230139165E-15 -1.459847724299943E-14 2.14577925024303E-12 4.678978662819457E-14 2.607589364269642E-13 1.82516939274503E-15
q -1.459847724299943E-14 4.248666970009295E-14 -5.06776001162359E-12 -1.304138691443812E-13 -4.241553508204018E-13 -4.033255509749138E-15
tp 2.14577925024303E-12 -5.06776001162359E-12 2.04508789185337E-8 2.395187445900948E-11 4.263736624636099E-9 3.260140747717274E-13
node 4.678978662819457E-14 -1.304138691443812E-13 2.395187445900948E-11 2.97066464919293E-9 -2.948308248680273E-9 6.125633386053035E-12
peri 2.607589364269642E-13 -4.241553508204018E-13 4.263736624636099E-9 -2.948308248680273E-9 3.858449542218991E-9 -6.030753556635858E-12
i 1.82516939274503E-15 -4.033255509749138E-15 3.260140747717274E-13 6.125633386053035E-12 -6.030753556635858E-12 6.040254073999681E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.82   n/a MPCxxxxx  

541220 (2011 CT)          Discovered 2011-Feb-02 by Kuli, Z., Sarneczky, K. at Piszkesteto
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 CT = 2012 JE48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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