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 ]  
183151 (2002 RU261)
Classification: Main-belt Asteroid          SPK-ID: 2183151
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1699544903352967 5.2844e-08  
a 2.322868633427387 1.3259e-08 au
q 1.928086678717388 1.2598e-07 au
i 4.141813483057282 4.8314e-06 deg
node 210.2478734719571 8.1416e-05 deg
peri 146.9513019559909 8.2894e-05 deg
M 354.7656935346204 1.834e-05 deg
tp 2459019.301480438740
(2020-Jun-18.80148044)
6.5955e-05 TDB
period 1293.109794528559
3.54
1.1072e-05
3.031e-08
d
yr
n .2783986336838849 2.3837e-09 deg/d
Q 2.717650588137386 1.5513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      8603 days (23.55 yr)  
   first obs. used      1995-10-21  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:50:39  

Additional Information
 Earth MOID = .925814 au 
 Jupiter MOID = 2.73806 au 
 T_jup = 3.553 
[ 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 16.8   n/a MPO436905  

183151 (2002 RU261)          Discovered 2002-Sep-06 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2002 RU261 = 2005 LL18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-14 23:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin