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487087 (2014 OD121)
Classification: Main-belt Asteroid          SPK-ID: 2487087
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04943406707177679 2.2521e-07  
a 3.133709503840489 9.3773e-08 au
q 2.978797498044174 7.3076e-07 au
i 10.19276082970988 2.1086e-05 deg
node 102.8810466458553 6.1034e-05 deg
peri 4.561078849578472 0.00011822 deg
M 220.8508482556556 9.9401e-05 deg
tp 2459783.685415444778
(2022-Jul-23.18541544)
0.00056008 TDB
period 2026.219678853195
5.55
9.0949e-05
2.49e-07
d
yr
n .1776707648026366 7.9749e-09 deg/d
Q 3.288621509636803 9.8409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      4487 days (12.28 yr)  
   first obs. used      2005-12-29  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65347  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:02:59  

Additional Information
 Earth MOID = 1.99573 au 
 Jupiter MOID = 1.82382 au 
 T_jup = 3.186 
[ 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 16.4   n/a MPO446844  

487087 (2014 OD121)          Discovered 2005-Dec-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2014 OD121 = 2005 YP154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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