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227471 (2005 WO160)
Classification: Main-belt Asteroid          SPK-ID: 2227471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05290550576034026 3.5957e-08  
a 2.553700710251191 1.7742e-08 au
q 2.418595882614811 9.2783e-08 au
i 3.519644500940658 6.3869e-06 deg
node 6.822195951286378 7.1212e-05 deg
peri 105.8229645521598 0.00011282 deg
M 209.9657896389548 8.3999e-05 deg
tp 2459821.713977488268
(2022-Aug-30.21397749)
0.00034869 TDB
period 1490.573592233477
4.08
1.5534e-05
4.253e-08
d
yr
n .2415177632796885 2.517e-09 deg/d
Q 2.68880553788757 1.8681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      434  
   data-arc span      6761 days (18.51 yr)  
   first obs. used      2001-12-18  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:26:37  

Additional Information
 Earth MOID = 1.43785 au 
 Jupiter MOID = 2.34785 au 
 T_jup = 3.434 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.54   n/a E2021B55  
diameter diameter 2.613 km 0.298 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227471 (2005 WO160)          Discovered 2005-Nov-28 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 WO160 = 2001 YB56 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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