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115561 Frankherbert (2003 UF80)
Classification: Main-belt Asteroid          SPK-ID: 2115561
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027103348564461 5.2541e-08  
a 3.032838319918533 2.1168e-08 au
q 2.721334480514239 1.6219e-07 au
i 11.96166872117959 4.0221e-06 deg
node 245.2702971493031 2.3066e-05 deg
peri 265.1406681011688 3.3333e-05 deg
M 340.3646584315456 2.1444e-05 deg
tp 2459305.722417301246
(2021-Apr-01.22241730)
0.00011481 TDB
period 1929.178063767713
5.28
2.0197e-05
5.53e-08
d
yr
n .1866079688346211 1.9536e-09 deg/d
Q 3.344342159322827 2.3342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      12254 days (33.55 yr)  
   first obs. used      1987-08-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50337  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:07  

Additional Information
 Earth MOID = 1.76551 au 
 Jupiter MOID = 1.86486 au 
 T_jup = 3.202 
[ 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 14.95   n/a MPCxxxxx  
diameter diameter 6.680 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115561 Frankherbert           Discovered 2003 Oct. 20 by W. G. Dillon and D. Wells at Needville.
Frank Herbert (1920-1986) is best remembered for Dune, one of the most acclaimed science-fiction novels ever written. Dune, which won the Hugo and Nebula awards, embodied Herbert's fascination with the intricacies of ecology, evolution, politics, psychology, government and sociology.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

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