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JPL Small-Body Database Browser
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14308 Hardeman (5193 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2014308
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2016823830545097 4.0923e-08  
a 3.002543507057685 1.516e-08 au
q 2.396983377329446 1.2053e-07 au
i 12.52898042875598 3.819e-06 deg
node 151.3621432492665 2.0613e-05 deg
peri 82.41241856509437 2.2251e-05 deg
M 127.640630214964 9.0832e-06 deg
tp 2457926.718892296533
(2017-Jun-22.21889230)
4.6699e-05 TDB
period 1900.344728514285
5.20
1.4393e-05
3.941e-08
d
yr
n .1894393130879221 1.4348e-09 deg/d
Q 3.608103636785923 1.8218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1909  
   data-arc span      15356 days (42.04 yr)  
   first obs. used      1977-10-16  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46485  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:48:17  

Additional Information
 Earth MOID = 1.42639 au 
 Jupiter MOID = 1.5894 au 
 T_jup = 3.186 
[ 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 12.8   n/a MPO416864  
diameter diameter 9.604 km 0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14308 Hardeman           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Sjoerd Hardeman (1982-2011) was a member of the Jongeren WerkGroep voor sterrenkunde (Dutch Youth Association for astronomy). He was a leader on several astronomy holiday camps and gave many presentations on astronomy. He died from leukemia shortly before defending his PhD.
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 2018-10-26Last Updated: 2019-04-09

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Alternate Designations
 5193 T-3 = 1980 DV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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