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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010544126223681 1.4773e-08  
a 3.004146380397821 1.3668e-08 au
q 2.400149494455324 4.848e-08 au
i 12.52834076361374 3.6175e-07 deg
node 151.3396981507409 3.6794e-06 deg
peri 82.48096856825592 5.5618e-06 deg
M 241.1829272116748 6.6941e-06 deg
tp 2459828.206188539612
(2022-Sep-05.70618854)
3.7579e-05 TDB
period 1901.866647370093
5.21
1.298e-05
3.554e-08
d
yr
n .1892877192508786 1.2918e-09 deg/d
Q 3.608143266340318 1.6416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2259  
   data-arc span      15844 days (43.38 yr)  
   first obs. used      1977-10-16  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44919  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:24:45  

Additional Information
 Earth MOID = 1.42832 au 
 Jupiter MOID = 1.58766 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457170.5 (2015-May-28.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025961283851509 1.4688e-08  
q 2.392601397352287 4.8158e-08 au
tp 2457927.836285326418
(2017-Jun-23.33628533)
3.2189e-05 TDB
node 151.393103103457 3.6772e-06 deg
peri 82.69693215581557 5.5675e-06 deg
i 12.53744114976231 3.6205e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2259  
   data-arc span      15844 days (43.38 yr)  
   first obs. used      1977-10-16  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44919  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:24:45  

Additional Information
 Jupiter MOID = 1.58766 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.157293247073974E-16 -6.90440850841422E-16 -3.003385236314954E-13 -4.620528870054578E-16 -3.133877110756618E-14 1.049450918768227E-15
q -6.90440850841422E-16 2.319191851769277E-15 9.885803739493078E-13 1.268210566027027E-15 9.684082610404935E-14 -3.044219882250565E-15
tp -3.003385236314954E-13 9.885803739493078E-13 1.036144637084747E-9 1.886872347988599E-12 1.286145777294444E-10 7.671340710025762E-13
node -4.620528870054578E-16 1.268210566027027E-15 1.886872347988599E-12 1.35215184015961E-11 -1.349033222946178E-11 -6.311693194068898E-14
peri -3.133877110756618E-14 9.684082610404935E-14 1.286145777294444E-10 -1.349033222946178E-11 3.099657177930125E-11 2.778685680569312E-13
i 1.049450918768227E-15 -3.044219882250565E-15 7.671340710025762E-13 -6.311693194068898E-14 2.778685680569312E-13 1.310822619072514E-13

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 12.90   n/a MPCxxxxx  
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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