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541488 (2011 OC31)
Classification: Main-belt Asteroid          SPK-ID: 2541488
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2601008346034193 1.6443e-07  
a 2.490841472153086 3.4857e-08 au
q 1.842971526381259 3.9125e-07 au
i 5.806671378535349 4.6331e-06 deg
node 69.06303550886196 0.00010106 deg
peri 307.8004743004394 0.00010747 deg
M 93.19638047266129 2.906e-05 deg
tp 2458828.781561694512
(2019-Dec-11.28156169)
0.00012191 TDB
period 1435.878057831126
3.93
3.0141e-05
8.252e-08
d
yr
n .2507176692593067 5.2628e-09 deg/d
Q 3.138711417924913 4.3923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5413 days (14.82 yr)  
   first obs. used      2006-04-26  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:24  

Additional Information
 Earth MOID = .850553 au 
 Jupiter MOID = 2.3355 au 
 T_jup = 3.418 
[ 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 17.82   .31309 MPCxxxxx autocmod 2.8

541488 (2011 OC31)          Discovered 2011-Jul-28 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 OC31 = 2015 MY128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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