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JPL Small-Body Database Browser
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268515 (2005 YD178)
Classification: Main-belt Asteroid          SPK-ID: 2268515
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02557200467339401 1.1897e-07  
a 2.816683532338386 3.7787e-08 au
q 2.744655287885956 3.3296e-07 au
i .6595482898099032 1.3662e-05 deg
node 342.7600645978642 0.00064605 deg
peri 154.3815835100719 0.00067568 deg
M 353.4828816144097 0.00019723 deg
tp 2459031.757815133124
(2020-Jul-01.25781513)		 0.00094609 TDB
period 1726.654754777068
4.73		 3.4746e-05
9.513e-08		 d
yr
n .2084956468593401 4.1956e-09 deg/d
Q 2.888711776790815 3.8754e-08 au
   Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6970 days (19.08 yr)  
   first obs. used      1999-09-06  
   last obs. used      2018-10-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:21:35  

Additional Information
 Earth MOID = 1.75766 au 
 Jupiter MOID = 2.09389 au 
 T_jup = 3.318 
[ 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 17.1   n/a MPO273626  

268515 (2005 YD178)          Discovered 2005-Dec-22 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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