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227492 (2005 XR50)
Classification: Main-belt Asteroid          SPK-ID: 2227492
[ 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .236911081367946 7.0825e-08  
a 2.74531502467813 2.9832e-08 au
q 2.094919473485965 1.9546e-07 au
i 10.8599372378832 6.6879e-06 deg
node 65.51774948207013 3.8018e-05 deg
peri 284.2765718353422 3.9833e-05 deg
M 185.0064028924029 1.3309e-05 deg
tp 2460008.118697486788
(2023-Mar-04.61869749)		 6.5887e-05 TDB
period 1661.447823810816
4.55		 2.7081e-05
7.414e-08		 d
yr
n .2166784865830323 3.5318e-09 deg/d
Q 3.395710575870296 3.6899e-08 au
   Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      7021 days (19.22 yr)  
   first obs. used      2000-11-02  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 06:06:09  

Additional Information
 Earth MOID = 1.11963 au 
 Jupiter MOID = 2.1603 au 
 T_jup = 3.281 
[ 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 16.5   n/a MPO454634  

227492 (2005 XR50)          Discovered 2005-Dec-02 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Alternate Designations
 2005 XR50 = 2008 KY12 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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