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JPL Small-Body Database Browser
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277484 (2005 WO51)
Classification: Main-belt Asteroid          SPK-ID: 2277484
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08852680038668799 5.9242e-08  
a 2.551453404557739 2.2268e-08 au
q 2.325581398316521 1.5149e-07 au
i 1.578791151085889 1.0444e-05 deg
node 41.1207020445585 0.00018283 deg
peri 107.6823314756624 0.00019628 deg
M 40.94011789683585 6.641e-05 deg
tp 2458431.211881820619
(2018-Nov-08.71188182)
0.00027451 TDB
period 1488.606425075471
4.08
1.9488e-05
5.336e-08
d
yr
n .2418369247477541 3.166e-09 deg/d
Q 2.777325410798958 2.424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      5431 days (14.87 yr)  
   first obs. used      2004-07-16  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .557  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:47:00  

Additional Information
 Earth MOID = 1.33783 au 
 Jupiter MOID = 2.21437 au 
 T_jup = 3.434 
[ 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 17.3   n/a MPO433795  

277484 (2005 WO51)          Discovered 2005-Nov-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 WO51 = 2007 HM20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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