Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
117166 (2004 RU6)
Classification: Main-belt Asteroid          SPK-ID: 2117166
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .189966490228513 4.1925e-08  
a 3.10566255219483 2.9738e-08 au
q 2.515690737320252 1.3754e-07 au
i 19.1175216625894 6.3846e-06 deg
node 139.6720682170206 1.3303e-05 deg
peri 287.4177935820522 2.4104e-05 deg
M 258.5537068402849 2.0991e-05 deg
tp 2459563.830812878921
(2021-Dec-15.33081288)		 0.00012084 TDB
period 1999.078392318667
5.47		 2.8713e-05
7.861e-08		 d
yr
n .1800829829301729 2.5866e-09 deg/d
Q 3.695634367069407 3.5388e-08 au
   Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:20:42  

Additional Information
 Earth MOID = 1.60558 au 
 Jupiter MOID = 1.80378 au 
 T_jup = 3.109 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457814.5 (2017-Mar-02.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1918846312871441 4.1865e-08  
q 2.506741652567162 1.3767e-07 au
tp 2457556.588551648670
(2016-Jun-17.08855165)		 0.00010358 TDB
node 140.1728492904034 1.334e-05 deg
peri 285.7063837476801 2.3656e-05 deg
i 19.05404418143871 6.3874e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1999-09-14  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:20:42  

Additional Information
 Jupiter MOID = 1.80378 au 
 T_jup = 3.109 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.752707499630774E-15 -5.67935990015242E-15 -4.047478697937151E-13 9.29013541952695E-15 -2.567289232240859E-15 1.334679988058466E-15
q -5.67935990015242E-15 1.89521018354484E-14 2.368994992141727E-12 -3.75274944021081E-14 2.167168808070568E-13 -7.059058117047813E-16
tp -4.047478697937151E-13 2.368994992141727E-12 1.072789314029945E-8 -4.69034736878887E-11 2.033213279334878E-9 1.649519543525723E-11
node 9.29013541952695E-15 -3.75274944021081E-14 -4.69034736878887E-11 1.779454330624412E-10 -1.760773550708509E-10 1.129277178435172E-11
peri -2.567289232240859E-15 2.167168808070568E-13 2.033213279334878E-9 -1.760773550708509E-10 5.596166455236265E-10 -7.840431599904416E-12
i 1.334679988058466E-15 -7.059058117047813E-16 1.649519543525723E-11 1.129277178435172E-11 -7.840431599904416E-12 4.079840036285618E-11

[ 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 14.6   n/a MPO449685  
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-18 23:34 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin