Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2012847191803311 4.0639e-08  
a 3.003636092826949 1.4818e-08 au
q 2.39905004536237 1.1977e-07 au
i 12.52786705395271 3.4128e-06 deg
node 151.3458802030813 2.0499e-05 deg
peri 82.48341011122528 2.1744e-05 deg
M 203.3257329539182 8.9726e-06 deg
tp 2459827.993458472400
(2022-Sep-05.49345847)
5.0314e-05 TDB
period 1901.382088243278
5.21
1.4071e-05
3.852e-08
d
yr
n .1893359584199148 1.4011e-09 deg/d
Q 3.608222140291528 1.7801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2112  
   data-arc span      15733 days (43.07 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45941  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:56:12  

Additional Information
 Earth MOID = 1.42844 au 
 Jupiter MOID = 1.58874 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 12.9   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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-22 12:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin