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541564 (2011 SM185)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541564
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08087953717070576 1.1226e-07  
a 1.936476405367494 2.1803e-08 au
q 1.779855089959379 2.3029e-07 au
i 21.39253385517461 1.4963e-05 deg
node 32.33725823619665 1.5328e-05 deg
peri 35.86937547731716 0.00012336 deg
M 113.2881166344644 0.00011831 deg
tp 2458890.759070232033
(2020-Feb-11.25907023)
0.00032106 TDB
period 984.2756506956139
2.69
1.6623e-05
4.551e-08
d
yr
n .3657511996213443 6.1771e-09 deg/d
Q 2.093097720775609 2.3567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      3496 days (9.57 yr)  
   first obs. used      2010-05-05  
   last obs. used      2019-11-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48972  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:40  

Additional Information
 Earth MOID = .805533 au 
 Jupiter MOID = 3.12833 au 
 T_jup = 3.819 
[ 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 18.6   .2973 MPO535741 autocmod 2.8

541564 (2011 SM185)          Discovered 2011-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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