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487220 (2014 OJ388)
Classification: Main-belt Asteroid          SPK-ID: 2487220
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .1885797374576337 2.4723e-07  
a 3.123127080663505 1.1952e-07 au
q 2.534168595745156 6.805e-07 au
i 16.715294187626 9.3834e-06 deg
node 333.6680906337256 2.0661e-05 deg
peri 5.853115961399878 4.0347e-05 deg
M 3.169695941240556 1.9515e-05 deg
tp 2458982.750014033848
(2020-May-13.25001403)
0.00010947 TDB
period 2015.964643382725
5.52
0.00011573
3.169e-07
d
yr
n .1785745604128907 1.0251e-08 deg/d
Q 3.712085565581855 1.4206e-07 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      4046 days (11.08 yr)  
   first obs. used      2009-09-25  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57832  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:28:20  

Additional Information
 Earth MOID = 1.52565 au 
 Jupiter MOID = 1.68793 au 
 T_jup = 3.123 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO398977  

487220 (2014 OJ388)          Discovered 2012-Mar-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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