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487121 (2014 OB172)
Classification: Main-belt Asteroid          SPK-ID: 2487121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06860213738269133 8.7484e-08  
a 2.597336293472774 6.7084e-08 au
q 2.419153472238905 2.7063e-07 au
i 9.915155068270824 6.4876e-06 deg
node 98.33006548085109 4.4843e-05 deg
peri 84.38489574497287 7.9911e-05 deg
M 261.1057841590613 7.5976e-05 deg
tp 2459420.509480489779
(2021-Jul-25.00948049)
0.00032846 TDB
period 1528.940916216129
4.19
5.9234e-05
1.622e-07
d
yr
n .2354571037911258 9.1221e-09 deg/d
Q 2.775519114706643 7.1686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      2426 days (6.64 yr)  
   first obs. used      2013-04-05  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:43:25  

Additional Information
 Earth MOID = 1.44638 au 
 Jupiter MOID = 2.25082 au 
 T_jup = 3.392 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO503656  

487121 (2014 OB172)          Discovered 2014-Jul-03 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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