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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17310985594877 1.0741e-07  
a 3.102782718433719 4.6614e-08 au
q 2.565660449005325 3.4124e-07 au
i 16.14428910883885 1.1716e-05 deg
node 251.9646833444173 3.192e-05 deg
peri 126.3435587800887 4.2094e-05 deg
M 327.9560814520445 2.8187e-05 deg
tp 2459574.192292753877
(2021-Dec-25.69229275)
0.00015839 TDB
period 1996.298464423521
5.47
4.4987e-05
1.232e-07
d
yr
n .1803337559065641 4.0638e-09 deg/d
Q 3.639904987862113 5.4683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      15545 days (42.56 yr)  
   first obs. used      1978-11-29  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52942  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 16:55:03  

Additional Information
 Earth MOID = 1.60576 au 
 Jupiter MOID = 1.93998 au 
 T_jup = 3.138 
[ 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 15.68   n/a E2021B25  
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

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