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541549 (2011 ST66)
Classification: Main-belt Asteroid          SPK-ID: 2541549
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3201429923134865 1.4329e-07  
a 2.574089518405703 3.3186e-08 au
q 1.75001279750052 3.8935e-07 au
i 5.340702674037396 5.7741e-06 deg
node 196.567454292369 6.0226e-05 deg
peri 156.266412808039 8.1057e-05 deg
M 96.4654350913119 2.9084e-05 deg
tp 2458796.293658465856
(2019-Nov-08.79365847)
0.00011962 TDB
period 1508.460339338658
4.13
2.9171e-05
7.987e-08
d
yr
n .2386539378011303 4.6152e-09 deg/d
Q 3.398166239310886 4.381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      4460 days (12.21 yr)  
   first obs. used      2007-09-10  
   last obs. used      2019-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:37  

Additional Information
 Earth MOID = .745001 au 
 Jupiter MOID = 2.06314 au 
 T_jup = 3.348 
[ 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 17.7   n/a MPO361181  

541549 (2011 ST66)          Discovered 2007-Sep-10 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 ST66 = 2007 RD97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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