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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0685090161902147 8.579e-08  
a 2.597607062210775 5.3126e-08 au
q 2.419647557929961 2.5775e-07 au
i 9.914662817153317 6.1141e-06 deg
node 98.32980486257593 4.0294e-05 deg
peri 84.28198445099267 6.5938e-05 deg
M 308.2838982155914 5.3089e-05 deg
tp 2459420.175635863713
(2021-Jul-24.67563586)
0.00022452 TDB
period 1529.18000743008
4.19
4.6912e-05
1.284e-07
d
yr
n .2354202894693943 7.2222e-09 deg/d
Q 2.775566566491589 5.6766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      2876 days (7.87 yr)  
   first obs. used      2013-04-05  
   last obs. used      2021-02-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .68182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:20:17  

Additional Information
 Earth MOID = 1.44635 au 
 Jupiter MOID = 2.24976 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 17.80   n/a MPCxxxxx  

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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