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243388 (2008 YK54)
Classification: Main-belt Asteroid          SPK-ID: 2243388
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156431282533931 5.1892e-08  
a 2.583224502120409 3.607e-08 au
q 2.284492339714391 1.4553e-07 au
i 7.007159762698898 6.5236e-06 deg
node 90.55679542783321 4.8236e-05 deg
peri 315.2891301552983 5.9835e-05 deg
M 333.0925668940819 3.9963e-05 deg
tp 2459113.847363408995
(2020-Sep-21.34736341)
0.00016933 TDB
period 1516.497343563534
4.15
3.1763e-05
8.696e-08
d
yr
n .2373891398675687 4.9721e-09 deg/d
Q 2.881956664526427 4.0242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      6769 days (18.53 yr)  
   first obs. used      1999-10-09  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55959  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:25:51  

Additional Information
 Earth MOID = 1.30074 au 
 Jupiter MOID = 2.46845 au 
 T_jup = 3.404 
[ 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 16.2   n/a MPO450092  

243388 (2008 YK54)          Discovered 2008-Dec-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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