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277494 (2005 WK105)
Classification: Main-belt Asteroid          SPK-ID: 2277494
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2683618483346366 5.652e-08  
a 2.546806727482728 2.4406e-08 au
q 1.863340966744376 1.4981e-07 au
i 12.90655487644356 4.471e-06 deg
node 127.7780349002919 2.8014e-05 deg
peri 204.9394096914965 3.1457e-05 deg
M 268.9744687290079 1.6102e-05 deg
tp 2459375.864443072572
(2021-Jun-10.36444307)
6.7188e-05 TDB
period 1484.541728230369
4.06
2.134e-05
5.843e-08
d
yr
n .2424990777653208 3.4859e-09 deg/d
Q 3.230272488221079 3.0956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      318  
   data-arc span      7277 days (19.92 yr)  
   first obs. used      2000-05-27  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64953  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 16:26:42  

Additional Information
 Earth MOID = .859769 au 
 Jupiter MOID = 2.1533 au 
 T_jup = 3.357 
[ 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 16.1   n/a MPO437263  

277494 (2005 WK105)          Discovered 2005-Nov-29 by CSS at Catalina
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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