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109829 (2001 RK118)
Classification: Main-belt Asteroid          SPK-ID: 2109829
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0761369872863927 4.9972e-08  
a 3.071423387933963 1.9509e-08 au
q 2.837574464495705 1.5955e-07 au
i 1.267190593200472 3.8481e-06 deg
node 63.08262208506051 0.00022799 deg
peri 104.0910153829561 0.00022948 deg
M 357.7586780454496 2.5122e-05 deg
tp 2459012.740797170903
(2020-Jun-12.24079717)
0.0001372 TDB
period 1966.110657408396
5.38
1.8733e-05
5.129e-08
d
yr
n .1831026136008689 1.7446e-09 deg/d
Q 3.30527231137222 2.0995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      9485 days (25.97 yr)  
   first obs. used      1994-05-03  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53659  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:09:25  

Additional Information
 Earth MOID = 1.84454 au 
 Jupiter MOID = 1.66175 au 
 T_jup = 3.226 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO493619  
diameter diameter 6.044 km 0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109829 (2001 RK118)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RK118 = 2002 XK9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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