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541546 (2011 SA51)
Classification: Main-belt Asteroid          SPK-ID: 2541546
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706945738918884 8.0481e-08  
a 2.433665294879697 2.5356e-08 au
q 2.01825183437473 1.9197e-07 au
i 2.333391327696296 9.1893e-06 deg
node 73.0561529146587 0.00018526 deg
peri 358.0636019885444 0.00019442 deg
M 99.57479827920166 4.2337e-05 deg
tp 2458816.937063585661
(2019-Nov-29.43706359)
0.00016668 TDB
period 1386.72294089903
3.80
2.1672e-05
5.933e-08
d
yr
n .2596048492329747 4.0571e-09 deg/d
Q 2.849078755384663 2.9684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      6499 days (17.79 yr)  
   first obs. used      2002-04-09  
   last obs. used      2020-01-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6112  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:35  

Additional Information
 Earth MOID = 1.03227 au 
 Jupiter MOID = 2.42654 au 
 T_jup = 3.485 
[ 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 18.1   .31624 MPO535741 autocmod 2.8

541546 (2011 SA51)          Discovered 2004-Dec-19 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 SA51 = 2013 EV36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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