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441476 (2008 RK118)
Classification: Main-belt Asteroid          SPK-ID: 2441476
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08208726161302214 5.5867e-08  
a 2.416961631308138 2.617e-08 au
q 2.21855986957031 1.2691e-07 au
i 7.145675364349062 1.0732e-05 deg
node 4.722625698012516 3.9398e-05 deg
peri 237.4356824523906 7.6324e-05 deg
M 169.4544991337019 6.3413e-05 deg
tp 2458354.468544506040
(2018-Aug-23.96854451)
0.00024337 TDB
period 1372.470634694236
3.76
2.2291e-05
6.103e-08
d
yr
n .2623006940182745 4.2601e-09 deg/d
Q 2.615363393045966 2.8318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      5524 days (15.12 yr)  
   first obs. used      2004-09-11  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45325  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:57:02  

Additional Information
 Earth MOID = 1.21619 au 
 Jupiter MOID = 2.39919 au 
 T_jup = 3.501 
[ 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 17.0   n/a MPO440826  

441476 (2008 RK118)          Discovered 2008-Sep-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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