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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
452509 (2004 RU185)
Classification: Main-belt Asteroid          SPK-ID: 2452509
[ 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .191577013094589 6.2857e-08  
a 3.057858993978316 4.4709e-08 au
q 2.472043501447525 2.0036e-07 au
i 5.023716035123911 7.7659e-06 deg
node 203.710387615249 8.0057e-05 deg
peri 158.3349120110508 8.3059e-05 deg
M 266.2481863952934 2.3542e-05 deg
tp 2459109.129782577198
(2020-Sep-16.62978258)		 0.00013384 TDB
period 1953.100582137417
5.35		 4.2835e-05
1.173e-07		 d
yr
n .1843223043874301 4.0425e-09 deg/d
Q 3.643674486509107 5.3275e-08 au
   Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      5457 days (14.94 yr)  
   first obs. used      2004-09-10  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63772  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:57:05  

Additional Information
 Earth MOID = 1.46958 au 
 Jupiter MOID = 1.82727 au 
 T_jup = 3.201 
[ 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 16.2   n/a MPO440875  

452509 (2004 RU185)          Discovered 2004-Sep-10 by LINEAR at Socorro
Reference: Last Updated: 2016-01-04

[ 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 2019-Dec-08 16:04 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin