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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03098545621337283 6.5501e-08  
a 2.752427702554757 3.6432e-08 au
q 2.667142474496772 1.7701e-07 au
i 7.530296647049419 6.3744e-06 deg
node 72.93919788649416 5.0677e-05 deg
peri 268.5760312527485 0.00011766 deg
M 155.6311948083818 0.00010429 deg
tp 2458675.448211967811
(2019-Jul-10.94821197)
0.0004835 TDB
period 1667.908827733345
4.57
3.3116e-05
9.067e-08
d
yr
n .2158391358172934 4.2854e-09 deg/d
Q 2.837712930612742 3.7561e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      6547 days (17.92 yr)  
   first obs. used      2003-02-01  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48459  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:20:26  

Additional Information
 Earth MOID = 1.6705 au 
 Jupiter MOID = 2.27934 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 17.21   n/a MPCxxxxx  

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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