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379110 (2008 YW55)
Classification: Main-belt Asteroid          SPK-ID: 2379110
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560336657034021 4.8275e-08  
a 3.108181210881708 4.1478e-08 au
q 2.623200302877396 1.6004e-07 au
i 9.601138570460177 7.6372e-06 deg
node 298.6765703247385 3.8053e-05 deg
peri 119.8189101279556 5.1822e-05 deg
M 62.24279693298703 2.9955e-05 deg
tp 2458654.445483246244
(2019-Jun-19.94548325)
0.00016715 TDB
period 2001.51073168321
5.48
4.0064e-05
1.097e-07
d
yr
n .1798641367749504 3.6003e-09 deg/d
Q 3.59316211888602 4.7949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6296 days (17.24 yr)  
   first obs. used      2002-11-07  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55143  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:08:29  

Additional Information
 Earth MOID = 1.65226 au 
 Jupiter MOID = 1.78315 au 
 T_jup = 3.180 
[ 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 15.9   n/a MPO455729  

379110 (2008 YW55)          Discovered 2008-Dec-30 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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