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JPL Small-Body Database Browser
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487218 (2014 ON386)
Classification: Main-belt Asteroid          SPK-ID: 2487218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475290146828563 6.5599e-08  
a 3.127824275825021 1.1393e-07 au
q 2.666379442311437 2.1973e-07 au
i 14.679897853888 1.3476e-05 deg
node 299.2785421826524 2.4253e-05 deg
peri 73.22728030627341 5.7268e-05 deg
M 262.1237711760418 5.1095e-05 deg
tp 2459149.834244131486
(2020-Oct-27.33424413)
0.00030075 TDB
period 2020.514380902742
5.53
0.00011039
3.022e-07
d
yr
n .1781724512345002 9.7345e-09 deg/d
Q 3.589269109338604 1.3073e-07 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      2739 days (7.50 yr)  
   first obs. used      2009-08-29  
   last obs. used      2017-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45339  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:19:41  

Additional Information
 Earth MOID = 1.70946 au 
 Jupiter MOID = 2.032 au 
 T_jup = 3.147 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457003.5 (2014-Dec-12.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513316793034516 6.5734e-08  
q 2.649319983814407 2.1947e-07 au
tp 2457131.922922949222
(2015-Apr-19.42292295)
0.00025076 TDB
node 299.5766653007782 2.4257e-05 deg
peri 72.85321229279552 5.5428e-05 deg
i 14.67069022491129 1.3483e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      2739 days (7.50 yr)  
   first obs. used      2009-08-29  
   last obs. used      2017-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45339  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:19:41  

Additional Information
 Jupiter MOID = 2.032 au 
 T_jup = 3.147 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.321020591385203E-15 -1.303569979853515E-14 -8.687572938042304E-12 1.020901795485488E-14 -1.675101761225552E-12 -1.621044174526935E-16
q -1.303569979853515E-14 4.81656577335635E-14 3.139358360271803E-11 -4.579930787473366E-14 5.938379474057697E-12 1.424884804740951E-14
tp -8.687572938042304E-12 3.139358360271803E-11 6.288281578891496E-8 -1.428639836986109E-10 1.251144465617883E-8 -5.750438515533802E-11
node 1.020901795485488E-14 -4.579930787473366E-14 -1.428639836986109E-10 5.884168782406312E-10 -5.971278184980369E-10 8.832468880981595E-11
peri -1.675101761225552E-12 5.938379474057697E-12 1.251144465617883E-8 -5.971278184980369E-10 3.072240926267711E-9 -9.746134594349332E-11
i -1.621044174526935E-16 1.424884804740951E-14 -5.750438515533802E-11 8.832468880981595E-11 -9.746134594349332E-11 1.817862749746565E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO398977  

487218 (2014 ON386)          Discovered 2009-Aug-29 by OAM at La Sagra
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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