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268449 (2005 WP51)
Classification: Main-belt Asteroid          SPK-ID: 2268449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2236401083126418 8.317e-08  
a 2.650783966249575 3.3932e-08 au
q 2.057962352924106 2.3244e-07 au
i 3.384651128056476 6.6656e-06 deg
node 64.0024254374207 0.0001616 deg
peri 297.5766840956659 0.00016314 deg
M 179.9781464936788 2.6072e-05 deg
tp 2458212.407483577876
(2018-Apr-03.90748358)
0.00010424 TDB
period 1576.376418133239
4.32
3.0268e-05
8.287e-08
d
yr
n .2283718506943383 4.3849e-09 deg/d
Q 3.243605579575044 4.152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6636 days (18.17 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56702  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:12:53  

Additional Information
 Earth MOID = 1.05795 au 
 Jupiter MOID = 2.21568 au 
 T_jup = 3.352 
[ 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 16.8   n/a MPO440317  
diameter diameter 2.269 km 0.487 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268449 (2005 WP51)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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