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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470104746635374 3.4039e-08  
a 2.394187360454138 7.1374e-09 au
q 2.042216740160333 8.1482e-08 au
i 1.740840301609823 3.6756e-06 deg
node 235.0391599225667 0.00012315 deg
peri 271.1892695772875 0.0001238 deg
M 355.2478775437581 1.2404e-05 deg
tp 2459218.361616066629
(2021-Jan-03.86161607)
4.6636e-05 TDB
period 1353.117863269757
3.70
6.0508e-06
1.657e-08
d
yr
n .2660522115420706 1.1897e-09 deg/d
Q 2.746157980747942 8.1867e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1712  
   data-arc span      10052 days (27.52 yr)  
   first obs. used      1993-09-15  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48236  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:28:22  

Additional Information
 Earth MOID = 1.05484 au 
 Jupiter MOID = 2.26422 au 
 T_jup = 3.515 
[ 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 14.72   n/a MPCxxxxx  
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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