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268463 (2005 WS177)
Classification: Main-belt Asteroid          SPK-ID: 2268463
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03763145373287256 6.0786e-08  
a 2.628369985389061 1.8495e-08 au
q 2.529460601891022 1.5522e-07 au
i 2.128642938705574 5.432e-06 deg
node 52.62956677807533 0.00014305 deg
peri 163.7905777345871 0.00016006 deg
M 25.8001327691144 7.0267e-05 deg
tp 2458888.955640086389
(2020-Feb-09.45564009)
0.0003039 TDB
period 1556.424919524872
4.26
1.6428e-05
4.498e-08
d
yr
n .2312993036052755 2.4414e-09 deg/d
Q 2.727279368887101 1.9191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      8649 days (23.68 yr)  
   first obs. used      1996-11-08  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:12:47  

Additional Information
 Earth MOID = 1.52163 au 
 Jupiter MOID = 2.23355 au 
 T_jup = 3.399 
[ 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 16.9   n/a MPO427488  

268463 (2005 WS177)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2005 WS177 = 1996 VD21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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