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227477 (2005 WV185)
Classification: Main-belt Asteroid          SPK-ID: 2227477
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792519151412522 5.4864e-08  
a 2.586595275833701 2.0141e-08 au
q 2.122943118945194 1.5076e-07 au
i 10.550855188605 4.9597e-06 deg
node 230.5213987006009 2.1783e-05 deg
peri 148.9113926637868 2.3703e-05 deg
M 264.9189226210071 1.2345e-05 deg
tp 2459601.812549020059
(2022-Jan-22.31254902)
5.5476e-05 TDB
period 1519.466560852633
4.16
1.7748e-05
4.859e-08
d
yr
n .2369252534244582 2.7673e-09 deg/d
Q 3.050247432722207 2.3751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      812  
   data-arc span      6756 days (18.50 yr)  
   first obs. used      2001-12-11  
   last obs. used      2020-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4965  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:26:35  

Additional Information
 Earth MOID = 1.13274 au 
 Jupiter MOID = 2.43215 au 
 T_jup = 3.375 
[ 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 15.38   n/a E2021B55  
diameter diameter 2.691 km 0.862 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227477 (2005 WV185)          Discovered 2005-Nov-30 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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