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227531 (2005 YS73)
Classification: Main-belt Asteroid          SPK-ID: 2227531
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146743104610112 5.3254e-08  
a 2.693528265384738 2.0039e-08 au
q 2.3846497688445 1.4567e-07 au
i 2.2731919355832 5.5668e-06 deg
node 337.9040265898974 0.00011547 deg
peri 23.09110299373912 0.00011733 deg
M 224.4466847426945 2.2531e-05 deg
tp 2459808.478715873221
(2022-Aug-16.97871587)		 0.00010444 TDB
period 1614.658684657759
4.42		 1.8019e-05
4.933e-08		 d
yr
n .2229573366932994 2.4881e-09 deg/d
Q 3.002406761924977 2.2337e-08 au
   Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      21750 days (59.55 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .572  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:40:08  

Additional Information
 Earth MOID = 1.37998 au 
 Jupiter MOID = 2.43973 au 
 T_jup = 3.360 
[ 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 16.52   n/a E2021B55  

227531 (2005 YS73)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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