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17086 Ruima (1999 JH18)
Classification: Main-belt Asteroid          SPK-ID: 2017086
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470170792522978 3.4928e-08  
a 2.394001384999979 9.955e-09 au
q 2.042042293651327 8.5091e-08 au
i 1.741006741646139 4.3286e-06 deg
node 235.0445250011373 0.00012422 deg
peri 271.233064100317 0.00012518 deg
M 301.9960792235714 1.7714e-05 deg
tp 2459218.491657115336
(2021-Jan-03.99165712)
6.7365e-05 TDB
period 1352.960205293779
3.70
8.4391e-06
2.31e-08
d
yr
n .2660832141192432 1.6597e-09 deg/d
Q 2.745960476348632 1.1419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1477  
   data-arc span      9898 days (27.10 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:23:11  

Additional Information
 Earth MOID = 1.05479 au 
 Jupiter MOID = 2.2651 au 
 T_jup = 3.515 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO302170  
diameter diameter 3.508 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.189   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17086 Ruima           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Rui Ma (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his computer science team project. He attends the Vincent Massey Secondary School, Windsor, Ontario, Canada.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

Alternate Designations
 1999 JH18 = 1993 RD5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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