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129325 Jedhancock (2005 TW72)
Classification: Main-belt Asteroid          SPK-ID: 2129325
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2028115256995394 4.3288e-08  
a 3.059510819136485 2.7402e-08 au
q 2.439006762013167 1.3892e-07 au
i 13.15967005951411 5.0435e-06 deg
node 65.51851517606329 2.1892e-05 deg
peri 241.7991492725578 2.4888e-05 deg
M 323.8196730477501 1.4239e-05 deg
tp 2459196.947453350970
(2020-Dec-13.44745335)
7.8614e-05 TDB
period 1954.683364240612
5.35
2.6261e-05
7.19e-08
d
yr
n .1841730515468212 2.4743e-09 deg/d
Q 3.680014876259803 3.296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8043 days (22.02 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:43:10  

Additional Information
 Earth MOID = 1.45649 au 
 Jupiter MOID = 1.6892 au 
 T_jup = 3.163 
[ 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 14.4   n/a MPO254055  
diameter diameter 7.990 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129325 Jedhancock           Discovered 2005 Oct. 5 by the Catalina Sky Survey.
Jed Hancock (b. 1977) served as the detector assembly lead on the OSIRIS-REx Asteroid Sample Return Mission OCAMS camera. He was Civil Space Division director at the Utah State University Space Dynamics Laboratory and managed development of camera assemblies on NASA's Ionospheric Connect Explorer mission.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-08-18Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 2005 TW72 = 1998 HE107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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