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541356 (2011 FW146)
Classification: Main-belt Asteroid          SPK-ID: 2541356
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02247589318112079 5.7187e-08  
a 2.966575890297753 3.9446e-08 au
q 2.899899447473733 1.6517e-07 au
i 9.665527429618493 1.0807e-05 deg
node 324.5257354010283 4.1025e-05 deg
peri 140.8956380193108 0.00028082 deg
M 81.81337789779772 0.00027568 deg
tp 2458972.365652205541
(2020-May-02.86565221)
0.0014287 TDB
period 1866.300709362539
5.11
3.7223e-05
1.019e-07
d
yr
n .1928949596353971 3.8473e-09 deg/d
Q 3.033252333121774 4.0332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      4633 days (12.68 yr)  
   first obs. used      2008-09-05  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:00:51  

Additional Information
 Earth MOID = 1.92191 au 
 Jupiter MOID = 2.00107 au 
 T_jup = 3.242 
[ 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 16.27   .34242 MPCxxxxx autocmod 2.8

541356 (2011 FW146)          Discovered 2008-Sep-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 FW146 = 2013 RK50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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