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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08894223318099073 6.0299e-08  
a 2.553651093566392 2.2589e-08 au
q 2.326523662539518 1.5497e-07 au
i 1.57717738643445 1.0434e-05 deg
node 41.06571894946953 0.00018312 deg
peri 108.4054447832231 0.00019623 deg
M 136.8790108445119 6.5629e-05 deg
tp 2458433.771409089281
(2018-Nov-11.27140909)
0.00027163 TDB
period 1490.530151183067
4.08
1.9777e-05
5.415e-08
d
yr
n .2415248022418466 3.2047e-09 deg/d
Q 2.780778524593266 2.4598e-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 = 1.33814 au 
 Jupiter MOID = 2.20844 au 
 T_jup = 3.433 
[ 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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