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JPL Small-Body Database Browser
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154833 (2004 RK18)
Classification: Main-belt Asteroid          SPK-ID: 2154833
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08139255665728007 7.9966e-08  
a 2.876194027974463 2.5315e-08 au
q 2.642093242595221 2.2628e-07 au
i 3.086237453061803 4.9522e-06 deg
node 69.56233787898962 0.00011908 deg
peri 305.6667647797341 0.00012597 deg
M 52.46733439252663 3.723e-05 deg
tp 2458740.835728629702
(2019-Sep-14.33572863)
0.00018491 TDB
period 1781.663558395344
4.88
2.3522e-05
6.44e-08
d
yr
n .2020583506373303 2.6676e-09 deg/d
Q 3.110294813353705 2.7375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      343  
   data-arc span      6913 days (18.93 yr)  
   first obs. used      2000-11-24  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63659  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 18:00:27  

Additional Information
 Earth MOID = 1.64461 au 
 Jupiter MOID = 2.31334 au 
 T_jup = 3.289 
[ 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 15.8   n/a MPO493880  

154833 (2004 RK18)          Discovered 2004-Sep-07 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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