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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1895770797723869 2.527e-07  
a 3.126215863354454 2.3669e-07 au
q 2.533556989241605 7.4896e-07 au
i 16.7025898912096 2.6772e-05 deg
node 333.7358747863557 3.2761e-05 deg
peri 5.738192266449376 5.0366e-05 deg
M 291.899611208226 4.8389e-05 deg
tp 2458982.421371460491
(2020-May-12.92137146)
0.00030402 TDB
period 2018.956075950987
5.53
0.00022929
6.278e-07
d
yr
n .1783099713204159 2.025e-08 deg/d
Q 3.718874737467303 2.8156e-07 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      2689 days (7.36 yr)  
   first obs. used      2009-09-25  
   last obs. used      2017-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62823  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:19:40  

Additional Information
 Earth MOID = 1.5241 au 
 Jupiter MOID = 1.6777 au 
 T_jup = 3.122 
[ 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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