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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457329.5 (2015-Nov-03.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0327739731782425 7.3513e-08  
q 2.661094597889076 2.074e-07 au
tp 2456995.300625685239
(2014-Dec-03.80062569)
0.0004784 TDB
node 72.99457758941047 5.3952e-05 deg
peri 265.7748706822558 0.00011826 deg
i 7.526694842738709 6.5517e-06 deg
  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
 Jupiter MOID = 2.28153 au 
 T_jup = 3.332 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.404223828987875E-15 -1.497978125389648E-14 1.203990300153959E-12 3.248740512146602E-14 4.401827245590438E-13 -7.953245324593698E-15
q -1.497978125389648E-14 4.301465389790372E-14 -6.354438900715988E-12 -8.902683249417383E-14 -1.825400978294726E-12 2.451645959830166E-14
tp 1.203990300153959E-12 -6.354438900715988E-12 2.288693858445825E-7 -7.900960258634821E-11 5.038684184906971E-8 2.48341531023409E-11
node 3.248740512146602E-14 -8.902683249417383E-14 -7.900960258634821E-11 2.910858529146128E-9 -2.901885575980075E-9 6.649177056166337E-11
peri 4.401827245590438E-13 -1.825400978294726E-12 5.038684184906971E-8 -2.901885575980075E-9 1.398440422547963E-8 -6.071673713616792E-11
i -7.953245324593698E-15 2.451645959830166E-14 2.48341531023409E-11 6.649177056166337E-11 -6.071673713616792E-11 4.292480414099984E-11

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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