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JPL Small-Body Database Browser
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277488 (2005 WK74)
Classification: Main-belt Asteroid          SPK-ID: 2277488
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 .1728331261899364 6.0297e-08  
a 2.719190171839338 2.4396e-08 au
q 2.249224033735394 1.6857e-07 au
i 14.70699750916291 6.1618e-06 deg
node 111.4983996639076 2.3407e-05 deg
peri 320.5960875371613 2.9755e-05 deg
M 347.9837356565041 1.7723e-05 deg
tp 2458655.166940987979
(2019-Jun-20.66694099)
8.0967e-05 TDB
period 1637.78843350136
4.48
2.2041e-05
6.034e-08
d
yr
n .2198086105849282 2.9581e-09 deg/d
Q 3.18915630994328 2.8612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      6070 days (16.62 yr)  
   first obs. used      2002-02-03  
   last obs. used      2018-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64346  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:34:19  

Additional Information
 Earth MOID = 1.28348 au 
 Jupiter MOID = 2.09936 au 
 T_jup = 3.291 
[ 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 16.5   n/a MPO455059  

277488 (2005 WK74)          Discovered 2005-Nov-27 by LONEOS at Anderson Mesa
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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