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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010543837291691 3.9705e-08  
a 3.004146376065255 1.4644e-08 au
q 2.400149577793238 1.1734e-07 au
i 12.52833576974375 3.3557e-06 deg
node 151.3396853386285 2.0162e-05 deg
peri 82.48097515336093 2.1408e-05 deg
M 241.1829325645266 9.1015e-06 deg
tp 2459828.206158902783
(2022-Sep-05.70615890)
5.0372e-05 TDB
period 1901.866643255799
5.21
1.3907e-05
3.808e-08
d
yr
n .1892877196603633 1.3841e-09 deg/d
Q 3.608143174337272 1.7589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2200  
   data-arc span      15800 days (43.26 yr)  
   first obs. used      1977-10-16  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:17:19  

Additional Information
 Earth MOID = 1.42832 au 
 Jupiter MOID = 1.58766 au 
 T_jup = 3.185 
[ 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 12.89   n/a E2021B10  
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

[ show close-approach data ]
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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