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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2012847153087209 4.0893e-08  
a 3.003636091957297 1.4881e-08 au
q 2.399050056296673 1.2043e-07 au
i 12.52786754985897 3.4391e-06 deg
node 151.3458807549434 2.0571e-05 deg
peri 82.48340984464376 2.1826e-05 deg
M 203.325732935967 8.9796e-06 deg
tp 2459827.993458207831
(2022-Sep-05.49345821)
5.0336e-05 TDB
period 1901.382087417509
5.21
1.413e-05
3.869e-08
d
yr
n .1893359585021433 1.407e-09 deg/d
Q 3.608222127617921 1.7876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2040  
   data-arc span      15445 days (42.29 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:55:04  

Additional Information
 Earth MOID = 1.42844 au 
 Jupiter MOID = 1.58874 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457087.5 (2015-Mar-06.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025581442708221 4.0655e-08  
q 2.392741663386492 1.1963e-07 au
tp 2457927.951321905790
(2017-Jun-23.45132191)
4.4501e-05 TDB
node 151.3933326756856 2.0554e-05 deg
peri 82.70879066385044 2.1807e-05 deg
i 12.5374192596063 3.4419e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2040  
   data-arc span      15445 days (42.29 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46031  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:55:04  

Additional Information
 Jupiter MOID = 1.58874 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.652852191072587E-15 -4.84125735968311E-15 -1.62459028913218E-13 1.857260100764172E-15 -4.326373787465063E-14 -1.357690779663961E-15
q -4.84125735968311E-15 1.431157904129172E-14 6.226881678078771E-13 -3.940036540073442E-15 1.371882432145572E-13 4.425959654270563E-15
tp -1.62459028913218E-13 6.226881678078771E-13 1.980355929470123E-9 2.106077193542255E-12 3.555109400618375E-10 1.119767348262872E-12
node 1.857260100764172E-15 -3.940036540073442E-15 2.106077193542255E-12 4.224746630610689E-10 -4.119556507156374E-10 1.501474888971891E-11
peri -4.326373787465063E-14 1.371882432145572E-13 3.555109400618375E-10 -4.119556507156374E-10 4.755505770876682E-10 -1.452013850195516E-11
i -1.357690779663961E-15 4.425959654270563E-15 1.119767348262872E-12 1.501474888971891E-11 -1.452013850195516E-11 1.184688485097798E-11

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 12.9   n/a MPO502278  
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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