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541497 (2011 ON59)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541497
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3256587353780168 5.1159e-07  
a 3.938513320241248 1.1255e-07 au
q 2.65590205310201 1.9542e-06 au
i 17.21419183408636 2.0749e-05 deg
node 193.8258579825745 3.502e-05 deg
peri 193.9653090180707 5.1998e-05 deg
M 37.26337946144248 3.941e-05 deg
tp 2458904.986964446402
(2020-Feb-25.48696445)
0.00032141 TDB
period 2854.939469711134
7.82
0.00012238
3.351e-07
d
yr
n .126097244379204 5.4054e-09 deg/d
Q 5.221124587380487 1.4921e-07 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      3114 days (8.53 yr)  
   first obs. used      2011-05-31  
   last obs. used      2019-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39022  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:23  

Additional Information
 Earth MOID = 1.66215 au 
 Jupiter MOID = .268674 au 
 T_jup = 2.893 
[ 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 15.3   n/a MPO504386  

541497 (2011 ON59)          Discovered 2011-May-31 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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