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475234 (2005 WH)
Classification: Main-belt Asteroid          SPK-ID: 2475234
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1740668495078045 2.028e-07  
a 3.100428174276233 5.8152e-08 au
q 2.560746409854735 6.1096e-07 au
i 16.17076544952492 1.5063e-05 deg
node 252.0568179050179 4.0852e-05 deg
peri 126.6528550817194 5.1833e-05 deg
M 256.2326620835956 3.9074e-05 deg
tp 2459575.263411128636
(2021-Dec-26.76341113)
0.00022788 TDB
period 1994.026561354028
5.46
5.61e-05
1.536e-07
d
yr
n .1805392199768618 5.0793e-09 deg/d
Q 3.64010993869773 6.8274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      14794 days (40.50 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52034  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:06:42  

Additional Information
 Earth MOID = 1.60142 au 
 Jupiter MOID = 1.93624 au 
 T_jup = 3.138 
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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 15.6   n/a MPO477234  
diameter diameter 4.243 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

475234 (2005 WH)          Discovered 2005-Nov-19 by Lowe, A. at Mayhill
Reference: Last Updated: 2016-11-20

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Alternate Designations
 2005 WH = 1978 WZ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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