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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05079355149129991 8.7469e-08  
a 2.596473636918109 3.9585e-08 au
q 2.464589519545506 2.3758e-07 au
i 7.109509198023628 8.9297e-06 deg
node 264.0771437075861 7.022e-05 deg
peri 64.83325064807536 0.0001183 deg
M .8263980948306994 9.834e-05 deg
tp 2457396.991987683667
(2016-Jan-09.49198768)
0.00041741 JED
period 1528.179265876057
4.18
3.4947e-05
9.568e-08
d
yr
n .2355744565043704 5.3872e-09 deg/d
Q 2.728357754290712 4.1595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      5729 days (15.69 yr)  
   first obs. used      1999-10-03  
   last obs. used      2015-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .67414  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 14:55:23  

Additional Information
 Earth MOID = 1.46023 au 
 Jupiter MOID = 2.44082 au 
 T_jup = 3.404 
[ 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 15.6 mag n/a MPO299745  

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 ]
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