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487166 (2014 ON258)
Classification: Main-belt Asteroid          SPK-ID: 2487166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03090652043847328 7.3212e-08  
a 2.751618079179391 3.9858e-08 au
q 2.666575138776361 2.0614e-07 au
i 7.53167260679034 6.5593e-06 deg
node 72.94445306896027 5.3857e-05 deg
peri 267.9261141317269 0.00012447 deg
M 70.81037927671022 0.00010926 deg
tp 2458672.574584057587
(2019-Jul-08.07458406)
0.00050665 TDB
period 1667.172961719989
4.56
3.6225e-05
9.918e-08
d
yr
n .215934404087621 4.6919e-09 deg/d
Q 2.836661019582422 4.109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      6108 days (16.72 yr)  
   first obs. used      2003-02-01  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:43:46  

Additional Information
 Earth MOID = 1.67045 au 
 Jupiter MOID = 2.28153 au 
 T_jup = 3.332 
[ 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 16.9   n/a MPO456348  

487166 (2014 ON258)          Discovered 2013-Mar-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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