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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05065405229997617 8.8515e-08  
a 2.59563679186164 4.0939e-08 AU
q 2.464157270054938 2.386e-07 AU
i 7.110644071529128 8.9444e-06 deg
node 264.081330478471 7.1618e-05 deg
peri 65.23004793566859 0.00012136 deg
M 219.0430436876987 0.00010024 deg
tp 2457398.564909595793
(2016-Jan-11.06490960)
0.00043191 JED
period 1527.440525726618
4.18
3.6137e-05
9.894e-08
d
yr
n .2356883910938165 5.576e-09 deg/d
Q 2.727116313668342 4.3013e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      5374 days (14.71 yr)  
   first obs. used      1999-10-03  
   last obs. used      2014-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .68794  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 15:20:10  

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 ]
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