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117715 Carlkirby (2005 GK1)
Classification: Main-belt Asteroid          SPK-ID: 2117715
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0878677055765149 4.4874e-08  
a 3.126705763551974 2.3938e-08 au
q 2.851969302095797 1.4179e-07 au
i 10.33561905080871 4.4724e-06 deg
node 159.5299316960299 2.7295e-05 deg
peri 265.8766370069879 3.8559e-05 deg
M 23.6589457141248 2.5728e-05 deg
tp 2458867.784442683527
(2020-Jan-19.28444268)
0.00014468 TDB
period 2019.430671646799
5.53
2.3191e-05
6.349e-08
d
yr
n .1782680658734515 2.0472e-09 deg/d
Q 3.401442225008152 2.6041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      8566 days (23.45 yr)  
   first obs. used      1996-08-14  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57586  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:49:31  

Additional Information
 Earth MOID = 1.88939 au 
 Jupiter MOID = 1.89158 au 
 T_jup = 3.183 
[ 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 14.6   n/a MPO502791  
diameter diameter 8.265 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117715 Carlkirby           Discovered 2005 Apr. 2 by R. Hutsebaut at the New Mexico Skies Observatory.
Carl Kirby (b. 1949) is an enthusiastic amateur astronomer who, rather than give up for health reasons his quest for scientific knowledge, passed on the torch to the discoverer, by electing to sponsor his work at the New Mexico Skies Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

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Alternate Designations
 2005 GK1 = 1999 DP4 = 2001 OS95 = 2003 YK66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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