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187451 (2005 WO165)
Classification: Outer Main-belt Asteroid          SPK-ID: 2187451
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1563224140574607 4.3079e-08  
a 3.213004362825115 3.2916e-08 au
q 2.71073976445114 1.4761e-07 au
i 3.002617489144524 4.7839e-06 deg
node 91.15319869529672 9.9394e-05 deg
peri 172.5851410070736 0.00010229 deg
M 12.70610320699933 1.9874e-05 deg
tp 2459126.253621053322
(2020-Oct-03.75362105)
0.00011649 TDB
period 2103.610838457552
5.76
3.2326e-05
8.85e-08
d
yr
n .1711343150636958 2.6298e-09 deg/d
Q 3.715268961199091 3.8062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2002-03-09  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:50:50  

Additional Information
 Earth MOID = 1.69333 au 
 Jupiter MOID = 1.36416 au 
 T_jup = 3.170 
[ 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 15.58   n/a E2021B55  
diameter diameter 4.337 km 1.429 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187451 (2005 WO165)          Discovered 2005-Nov-29 by Mt. Lemmon Survey at Mount Lemmon
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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