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541493 (2011 OQ39)
Classification: Main-belt Asteroid          SPK-ID: 2541493
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 .2385556723843398 1.7695e-07  
a 2.442799097015946 4.9934e-08 au
q 1.860055515927449 3.9713e-07 au
i 1.259010533252995 6.0882e-06 deg
node 339.2642927104492 0.00023813 deg
peri 5.635436299861786 0.00023962 deg
M 147.517818957091 3.0859e-05 deg
tp 2458629.058160652160
(2019-May-25.55816065)
0.00010551 TDB
period 1394.537037082012
3.82
4.276e-05
1.171e-07
d
yr
n .2581501892221372 7.9155e-09 deg/d
Q 3.025542678104443 6.1847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      4423 days (12.11 yr)  
   first obs. used      2008-12-29  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49116  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:25  

Additional Information
 Earth MOID = .850863 au 
 Jupiter MOID = 2.39254 au 
 T_jup = 3.461 
[ 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 17.87   n/a MPCxxxxx  

541493 (2011 OQ39)          Discovered 2011-Jul-22 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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