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113355 Gessler (2002 RW240)
Classification: Main-belt Asteroid          SPK-ID: 2113355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1040726225638086 4.5284e-08  
a 2.959813244509749 2.2249e-08 au
q 2.651777717854525 1.3257e-07 au
i 9.526112828233009 5.4263e-06 deg
node 186.0605683191309 3.305e-05 deg
peri 196.8683865343982 4.3043e-05 deg
M 176.2212821348728 2.8315e-05 deg
tp 2458290.061223139937
(2018-Jun-20.56122314)
0.00014405 TDB
period 1859.922681862964
5.09
2.0972e-05
5.742e-08
d
yr
n .1935564330230176 2.1825e-09 deg/d
Q 3.267848771164974 2.4565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      10059 days (27.54 yr)  
   first obs. used      1992-10-02  
   last obs. used      2020-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:33:57  

Additional Information
 Earth MOID = 1.65452 au 
 Jupiter MOID = 2.1944 au 
 T_jup = 3.238 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.85   n/a E2021B55  

113355 Gessler           Discovered 2002 Sept. 14 by R. Matson on NEAT images taken at Palomar.
Nick Gessler (b. 1945) is co-director of UCLA's Human Complex Systems Program. He teaches hands-on multi-agent simulation programming in courses such as "ALiCE: Artificial Life, Culture and Evolution". A prolific meteorite discoverer, he is credited with over 30 distinct finds.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

Alternate Designations
 2002 RW240 = 1992 TN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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