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277510 (2005 WU177)
Classification: Main-belt Asteroid          SPK-ID: 2277510
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04795230048385782 6.0102e-08  
a 2.736126942159415 2.769e-08 au
q 2.604923360867008 1.5801e-07 au
i 7.102320018334547 5.7995e-06 deg
node 82.83129257870485 4.9927e-05 deg
peri 266.1506941422977 8.0882e-05 deg
M 172.7931118688475 6.5226e-05 deg
tp 2458207.036934313849
(2018-Mar-29.53693431)
0.00029896 TDB
period 1653.113949726331
4.53
2.5095e-05
6.871e-08
d
yr
n .2177708318652789 3.3058e-09 deg/d
Q 2.867330523451822 2.9018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      7006 days (19.18 yr)  
   first obs. used      2000-11-27  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57661  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:12:25  

Additional Information
 Earth MOID = 1.60996 au 
 Jupiter MOID = 2.33985 au 
 T_jup = 3.339 
[ 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 MPO460183  

277510 (2005 WU177)          Discovered 2005-Nov-30 by Spacewatch at Kitt Peak
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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