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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765230259945053 6.7959e-08  
a 2.641232245911785 2.519e-08 au
q 2.174993937509173 1.7806e-07 au
i 14.68275083886641 6.9451e-06 deg
node 132.0336085488216 2.5081e-05 deg
peri 198.8480082335441 2.9955e-05 deg
M 259.9820037095412 2.1878e-05 deg
tp 2459636.096079332409
(2022-Feb-25.59607933)
9.9216e-05 TDB
period 1567.863728286132
4.29
2.243e-05
6.141e-08
d
yr
n .229611791831886 3.2848e-09 deg/d
Q 3.107470554314396 2.9637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7524 days (20.60 yr)  
   first obs. used      2000-07-05  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61957  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:29  

Additional Information
 Earth MOID = 1.16594 au 
 Jupiter MOID = 2.248 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457006.5 (2014-Dec-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759079003560004 6.7794e-08  
q 2.177632605471389 1.7744e-07 au
tp 2456493.382693797144
(2013-Jul-19.88269380)
7.7646e-05 TDB
node 132.1108372957938 2.5016e-05 deg
peri 197.8693411957617 2.9959e-05 deg
i 14.6983191807282 6.9475e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7524 days (20.60 yr)  
   first obs. used      2000-07-05  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61957  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:29  

Additional Information
 Jupiter MOID = 2.248 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.59604286450404E-15 -1.194744561009257E-14 1.550124726417674E-12 2.827778987382409E-14 3.053136978518251E-13 5.102445534706821E-15
q -1.194744561009257E-14 3.148325033094984E-14 -3.649301935986324E-12 -7.63675631401189E-14 -6.905841485921426E-13 -1.202640174583145E-14
tp 1.550124726417674E-12 -3.649301935986324E-12 6.0288955295802E-9 -5.181460011448324E-12 1.326514212542009E-9 2.287988840100598E-12
node 2.827778987382409E-14 -7.63675631401189E-14 -5.181460011448324E-12 6.258030130326736E-10 -6.062168016474961E-10 5.725262040565176E-11
peri 3.053136978518251E-13 -6.905841485921426E-13 1.326514212542009E-9 -6.062168016474961E-10 8.975561195479115E-10 -5.498161318743855E-11
i 5.102445534706821E-15 -1.202640174583145E-14 2.287988840100598E-12 5.725262040565176E-11 -5.498161318743855E-11 4.826839203320803E-11

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 15.81   n/a MPCxxxxx  
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

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