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2003 Harding (6559 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2002003
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269042035453431 3.1291e-08  
a 3.05943201620279 1.3997e-08 au
q 2.671177232885452 9.7555e-08 au
i 1.868968185020856 3.4114e-06 deg
node 64.47410879727788 0.00011241 deg
peri 70.21677569181878 0.00011328 deg
M 282.90930069132 1.5076e-05 deg
tp 2459419.061349101895
(2021-Jul-23.56134910)
8.294e-05 TDB
period 1954.607845407313
5.35
1.3414e-05
3.673e-08
d
yr
n .1841801673138077 1.264e-09 deg/d
Q 3.447686799520128 1.5773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2755  
   data-arc span      31279 days (85.64 yr)  
   first obs. used      1934-12-13  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44351  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:44:09  

Additional Information
 Earth MOID = 1.68601 au 
 Jupiter MOID = 1.58626 au 
 T_jup = 3.221 
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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 12.0   n/a MPO319108  
diameter diameter 20.173 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.96 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Alvarez-Candal, A.; Duffard, R.; Angeli, C.A.; Lazzaro, D.; Fernandez, S. (2004) Icarus 172, 388-401.]
geometric albedo albedo 0.065   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2003           
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: Last Updated: 2017-04-19

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Alternate Designations
 6559 P-L = 1934 XH = 1941 BH = 1952 BP = 1952 DT = 1971 SU1 = 1972 YT = 1973 AG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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