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227555 (2005 YH174)
Classification: Main-belt Asteroid          SPK-ID: 2227555
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572552491895846 4.9866e-08  
a 2.775828242137533 1.9568e-08 au
q 2.339314680212709 1.3759e-07 au
i 5.847708048127764 5.3635e-06 deg
node 73.66206815121076 5.5152e-05 deg
peri 340.6424600739012 6.0193e-05 deg
M 125.4019187226194 2.237e-05 deg
tp 2458612.077876794049
(2019-May-08.57787679)		 0.00010288 TDB
period 1689.224267953191
4.62		 1.7862e-05
4.89e-08		 d
yr
n .2131155743080858 2.2535e-09 deg/d
Q 3.212341804062358 2.2645e-08 au
   Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      7109 days (19.46 yr)  
   first obs. used      2000-11-01  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58291  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:34:31  

Additional Information
 Earth MOID = 1.35114 au 
 Jupiter MOID = 2.14053 au 
 T_jup = 3.310 
[ 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 16.14   n/a E2021B55  

227555 (2005 YH174)          Discovered 2005-Dec-29 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 YH174 = 2000 WZ138 = 2004 OP13 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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