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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 
[ 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 15.6   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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2031-Apr-08 23:36 00:02 Jupiter 1.99256643628561 1.99256540052056 1.99256747205293 5.08870847727818 5.00447514812258 2462965.483469930 1.75349986093468 350.128268615996 45.6728851816606 87.0295435061139 1445178.51980448 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 08:06:43 2019-Sep-24 08:06
2102-Mar-17 23:41 00:08 Jupiter 1.95486445324426 1.95486310422899 1.95486580229799 4.98214578009709 4.89440469245351 2488875.486917640 7.50949706910887 912.69984453378 57.1325780047572 -88.1425965941661 1416651.11130902 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 08:06:43 2019-Sep-24 08:06
2173-Feb-24 01:14 00:13 Jupiter 1.92711596769921 1.9271146194824 1.92711731597178 4.87459751531662 4.78358064700446 2514786.551576530 13.3495720837266 1684.9650918278 61.3062256362461 -89.5204380260402 1300592.10733919 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 08:06:43 2019-Sep-24 08:06

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