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117166 (2004 RU6)
Classification: Main-belt Asteroid          SPK-ID: 2117166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897620895630585 4.1706e-08  
a 3.100335979098626 2.8589e-08 au
q 2.51200974535734 1.3683e-07 au
i 19.13070991276887 6.1256e-06 deg
node 139.6723961127367 1.3079e-05 deg
peri 287.9142742973928 2.3389e-05 deg
M 329.4655884695466 2.1045e-05 deg
tp 2459565.621421789186
(2021-Dec-17.12142179)
0.00011784 TDB
period 1993.937619638903
5.46
2.758e-05
7.551e-08
d
yr
n .1805472731214104 2.4973e-09 deg/d
Q 3.688662212839913 3.4014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      7755 days (21.23 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56648  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:51:26  

Additional Information
 Earth MOID = 1.60138 au 
 Jupiter MOID = 1.80487 au 
 T_jup = 3.110 
[ 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 14.69   n/a E2021B55  
diameter diameter 6.821 km 0.847 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

117166 (2004 RU6)          Discovered 2004-Sep-05 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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