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277515 (2005 WB189)
Classification: Main-belt Asteroid          SPK-ID: 2277515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0322138464262658 7.6419e-08  
a 2.617060760427945 2.2751e-08 au
q 2.532755167003312 1.9521e-07 au
i 22.83625748012559 5.6836e-06 deg
node 78.79755811568006 1.2287e-05 deg
peri 3.086681294296687 8.5099e-05 deg
M 143.2320124163846 8.6986e-05 deg
tp 2458385.242766121302
(2018-Sep-23.74276612)
0.00036968 TDB
period 1546.390366648192
4.23
2.0165e-05
5.521e-08
d
yr
n .2328002086435016 3.0358e-09 deg/d
Q 2.701366353852577 2.3484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2001-12-19  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58032  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:17:50  

Additional Information
 Earth MOID = 1.5485 au 
 Jupiter MOID = 2.5234 au 
 T_jup = 3.295 
[ 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 16.0   n/a MPO326320  
diameter diameter 2.215 km 0.313 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277515 (2005 WB189)          Discovered 2005-Nov-30 by LINEAR at Socorro
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 WB189 = 2001 YF152 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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