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187453 (2005 WP191)
Classification: Main-belt Asteroid          SPK-ID: 2187453
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765230235631112 6.8516e-08  
a 2.641232244858847 2.5409e-08 au
q 2.17499394306398 1.7921e-07 au
i 14.6827508439288 6.9791e-06 deg
node 132.0336086130763 2.5096e-05 deg
peri 198.8480081128132 2.9987e-05 deg
M 259.982004180358 2.2026e-05 deg
tp 2459636.096077021441
(2022-Feb-25.59607702)
9.993e-05 TDB
period 1567.86372734858
4.29
2.2625e-05
6.194e-08
d
yr
n .2296117919691894 3.3133e-09 deg/d
Q 3.107470546653715 2.9894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7225 days (19.78 yr)  
   first obs. used      2000-07-05  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:50:48  

Additional Information
 Earth MOID = 1.16594 au 
 Jupiter MOID = 2.248 au 
 T_jup = 3.327 
[ 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 15.80   n/a E2021B55  
diameter diameter 2.513 km 0.481 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.161   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187453 (2005 WP191)          Discovered 2005-Nov-22 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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