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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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Orbital Elements at Epoch 2457535.5 (2016-May-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754173894269741 2.0246e-07  
q 2.554821256453203 6.0723e-07 au
tp 2457586.557752535112
(2016-Jul-17.05775254)
0.00018722 TDB
node 252.0537980847988 4.0857e-05 deg
peri 127.1888236663997 5.1486e-05 deg
i 16.17442095206275 1.5073e-05 deg
  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
 Jupiter MOID = 1.93624 au 
 T_jup = 3.138 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.098982410731811E-14 -1.226135835295423E-13 2.168175700282236E-11 -1.729008478844706E-13 2.687799376656296E-12 9.143749783541318E-15
q -1.226135835295423E-13 3.687300891983136E-13 -6.205899487125457E-11 5.297477606426685E-13 -7.586033364861906E-12 -3.201918057565118E-14
tp 2.168175700282236E-11 -6.205899487125457E-11 3.50521714412759E-8 -1.057792275558716E-10 5.947218932692819E-9 -5.936721715460208E-12
node -1.729008478844706E-13 5.297477606426685E-13 -1.057792275558716E-10 1.669299692578144E-9 -1.616327455370881E-9 -3.021496087471635E-10
peri 2.687799376656296E-12 -7.586033364861906E-12 5.947218932692819E-9 -1.616327455370881E-9 2.650843812488537E-9 2.887507121067064E-10
i 9.143749783541318E-15 -3.201918057565118E-14 -5.936721715460208E-12 -3.021496087471635E-10 2.887507121067064E-10 2.271837394802122E-10

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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