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277506 (2005 WP163)
Classification: Outer Main-belt Asteroid          SPK-ID: 2277506
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05107638335420272 4.7363e-08  
a 3.226052604614874 4.7717e-08 au
q 3.06127750506074 1.5217e-07 au
i 5.032922045327481 6.4119e-06 deg
node 52.28427721701068 6.1209e-05 deg
peri 261.5105007735354 8.8547e-05 deg
M 228.5369717666276 6.3756e-05 deg
tp 2459373.370490065661
(2021-Jun-07.87049007)
0.00037667 TDB
period 2116.438212040268
5.79
4.6956e-05
1.286e-07
d
yr
n .1700970989618243 3.7739e-09 deg/d
Q 3.390827704169007 5.0154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      8436 days (23.10 yr)  
   first obs. used      1996-03-19  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59153  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:59:47  

Additional Information
 Earth MOID = 2.05196 au 
 Jupiter MOID = 1.76585 au 
 T_jup = 3.180 
[ 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 15.9   n/a MPO433795  
diameter diameter 4.521 km 1.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277506 (2005 WP163)          Discovered 2005-Nov-29 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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