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72545 Robbiiwessen (2001 EP)
Classification: Main-belt Asteroid          SPK-ID: 2072545
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04801993580012962 3.8714e-08  
a 3.050332346772485 2.1633e-08 au
q 2.903855583311412 1.1402e-07 au
i 10.64865288707965 4.258e-06 deg
node 88.66828233853882 2.6664e-05 deg
peri 228.0210543422822 6.3051e-05 deg
M 133.1695639697315 5.7829e-05 deg
tp 2458480.683754309964
(2018-Dec-28.18375431)
0.00031261 TDB
period 1945.893946963076
5.33
2.07e-05
5.667e-08
d
yr
n .1850049436465157 1.968e-09 deg/d
Q 3.196809110233559 2.2671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      9894 days (27.09 yr)  
   first obs. used      1994-01-18  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50781  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:40  

Additional Information
 Earth MOID = 1.89882 au 
 Jupiter MOID = 1.96689 au 
 T_jup = 3.209 
[ 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 13.95   n/a MPCxxxxx  
diameter diameter 5.694 km 0.439 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.180   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72545 Robbiiwessen           Discovered 2001 Mar. 3 by G. Hug at Farpoint Observatory.
Robbii Wessen (b. 1958) is an artist and graphic designer. He has won numerous graphic-design awards including the AIGA Graphic Design Award and multiple Desi Awards. His sculptures have been shown across the United States. He is a graduate of the Parsons School of Design.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

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Alternate Designations
 2001 EP = 2000 BQ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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