Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
133243 Essen (2003 RT1)
Classification: Main-belt Asteroid          SPK-ID: 2133243
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05065404225724787 9.7712e-08  
a 2.595636811059249 4.3278e-08 AU
q 2.464157314347386 2.6323e-07 AU
i 7.110642820211504 9.7338e-06 deg
node 264.0813525448686 7.6812e-05 deg
peri 65.23007620316169 0.00013222 deg
M 219.0429926373536 0.00011028 deg
tp 2457398.565132831841
(2016-Jan-11.06513283)
0.00047523 JED
period 1527.440542672291
4.18
3.8202e-05
1.046e-07
d
yr
n .2356883884790515 5.8946e-09 deg/d
Q 2.727116307771113 4.5471e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      5291 days (14.49 yr)  
   first obs. used      1999-10-03  
   last obs. used      2014-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .70189  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 16:07:31  

Additional Information
 Earth MOID = 1.46084 AU 
 T_jup = 3.405 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO254075  

133243 Essen           Discovered 2003 Sept. 2 by T. Payer at the Walter Hohmann Observatory, Essen.
Essen, in the German agglomeration "Ruhrgebiet", is the former center of German heavy industry. It has emerged as a modern city with various scientific and cultural activities. Essen is the location of the observatory where this minor planet was discovered.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

[ show close-approach data ]
Alternate Designations
 2003 RT1 = 2002 KO15 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-21 07:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin