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541502 (2011 QR5)
Classification: Main-belt Asteroid          SPK-ID: 2541502
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1776102577456837 2.3613e-07  
a 2.44322626041043 8.3732e-08 au
q 2.009284214567911 5.1245e-07 au
i 5.377916543880813 5.3058e-06 deg
node 249.7831608994399 9.4386e-05 deg
peri 65.73370301222565 0.0001202 deg
M 165.7965139524694 9.8069e-05 deg
tp 2458558.083255300086
(2019-Mar-15.58325530)
0.00034768 TDB
period 1394.902839502824
3.82
7.1707e-05
1.963e-07
d
yr
n .2580824913427751 1.3267e-08 deg/d
Q 2.87716830625295 9.8603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      3512 days (9.62 yr)  
   first obs. used      2011-07-02  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51035  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:27  

Additional Information
 Earth MOID = 1.00079 au 
 Jupiter MOID = 2.41529 au 
 T_jup = 3.472 
[ 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 17.59   n/a MPCxxxxx  

541502 (2011 QR5)          Discovered 2011-Jul-02 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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