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 
[ 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 14.6   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1949-Mar-24 03:55 00:03 Jupiter 1.86146537794995 1.86146447135929 1.86146628455087 4.51655792590585 4.41466143421814 2432999.662883230 2.70765609524109 352.76142134787 33.8782181774377 -84.4468533150682 1894753.26491681 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:43 2020-Nov-12 18:20
2009-Sep-02 12:30 < 00:01 Jupiter 1.91269692355886 1.91269612860288 1.91269771851549 5.57076496461247 5.49069561229374 2455077.020569526 0.377516823031291 85.198697396311 24.7575745310328 68.8627640900278 2676174.75526616 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:43 2020-Nov-12 18:20
2019-Oct-14 19:35 < 00:01 Jupiter 1.98097358837707 1.98097279698272 1.98097437977153 3.65424043531916 3.53529565257042 2458771.316177442 0.412100634196888 127.554037116979 33.7565440897085 -87.5781491297052 1827820.66144733 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:43 2020-Nov-12 18:20
2080-Apr-18 03:27 00:02 Jupiter 1.80875641815963 1.80875576987377 1.80875706644641 5.14427089850953 5.05241953002561 2480872.643445985 2.32810692074776 335.976962662921 30.2904672173868 89.2227013618148 2418196.34978752 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:43 2020-Nov-12 18:20
2150-Dec-02 18:35 00:05 Jupiter 1.81991600973162 1.81991430042488 1.81991771910706 4.65424880788889 4.55315220870018 2506667.274579687 5.15982478453697 628.649656960919 35.3182076641762 -82.1529378104832 2047110.68821486 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 18:20:43 2020-Nov-12 18:20
[ 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-24 23:30 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin