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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1885797048471926 2.5097e-07  
a 3.12312714954414 1.3216e-07 au
q 2.534168753482853 7.021e-07 au
i 16.71530394566106 2.1149e-05 deg
node 333.6680812029363 2.6787e-05 deg
peri 5.853132781836975 4.3898e-05 deg
M 3.169676779863241 2.5413e-05 deg
tp 2458982.750120748468
(2020-May-13.25012075)
0.00014215 TDB
period 2015.964710075941
5.52
0.00012796
3.503e-07
d
yr
n .1785745545051922 1.1335e-08 deg/d
Q 3.712085545605428 1.5708e-07 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      3960 days (10.84 yr)  
   first obs. used      2009-09-25  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 02:23:40  

Additional Information
 Earth MOID = 1.52565 au 
 Jupiter MOID = 1.68793 au 
 T_jup = 3.123 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457316.5 (2015-Oct-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915931055918707 2.485e-07  
q 2.522731928258369 6.97e-07 au
tp 2456969.990410000238
(2014-Nov-08.49041000)
0.00017133 TDB
node 333.8647439925929 2.6845e-05 deg
peri 6.108299789743725 4.3328e-05 deg
i 16.72821673092591 2.1147e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      3960 days (10.84 yr)  
   first obs. used      2009-09-25  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6451  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 02:23:40  

Additional Information
 Jupiter MOID = 1.68793 au 
 T_jup = 3.123 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.175345160021783E-14 -1.724560307618427E-13 -3.235755918297916E-11 -8.179484374323617E-14 -5.84074152987833E-12 1.940377849918592E-14
q -1.724560307618427E-13 4.858114958609855E-13 9.029124764574358E-11 1.87696367895602E-13 1.645387626384085E-11 1.272479798768825E-15
tp -3.235755918297916E-11 9.029124764574358E-11 2.935302125375671E-8 1.956365378914482E-11 5.830121470253621E-9 5.089150741205529E-12
node -8.179484374323617E-14 1.87696367895602E-13 1.956365378914482E-11 7.206689755452954E-10 -6.857023275602039E-10 -2.38839568708741E-10
peri -5.84074152987833E-12 1.645387626384085E-11 5.830121470253621E-9 -6.857023275602039E-10 1.87733019605311E-9 2.301054870651097E-10
i 1.940377849918592E-14 1.272479798768825E-15 5.089150741205529E-12 -2.38839568708741E-10 2.301054870651097E-10 4.471923779709245E-10

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

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