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117195 (2004 RL154)
Classification: Main-belt Asteroid          SPK-ID: 2117195
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903270847091031 4.0019e-08  
a 2.207699062986042 1.3247e-08 au
q 1.78751413641289 8.6798e-08 au
i 5.750964599333849 5.0344e-06 deg
node 278.7172189277127 5.776e-05 deg
peri 341.9547622334023 6.0966e-05 deg
M 235.5103349701071 2.2599e-05 deg
tp 2459014.822992191974
(2020-Jun-14.32299219)
7.6937e-05 TDB
period 1198.141846982195
3.28
1.0784e-05
2.952e-08
d
yr
n .300465258689316 2.7044e-09 deg/d
Q 2.627883989559195 1.5768e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      9489 days (25.98 yr)  
   first obs. used      1992-12-24  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:55:11  

Additional Information
 Earth MOID = .772657 au 
 Jupiter MOID = 2.44996 au 
 T_jup = 3.629 
[ 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 16.4   n/a MPO432677  
diameter diameter 1.100 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117195 (2004 RL154)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 RL154 = 1992 YH3 = 2003 DH16 = 2003 EF61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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