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227496 (2005 XW72)
Classification: Main-belt Asteroid          SPK-ID: 2227496
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03925619747934993 5.2287e-08  
a 2.751137384220582 2.8332e-08 au
q 2.643138191772797 1.4787e-07 au
i 13.26560729036434 5.7533e-06 deg
node 76.77015892703913 2.4971e-05 deg
peri 69.89705966612971 9.108e-05 deg
M 53.28781074112808 8.4133e-05 deg
tp 2458953.786893421279
(2020-Apr-14.28689342)		 0.00038987 TDB
period 1666.736109685772
4.56		 2.5747e-05
7.049e-08		 d
yr
n .2159910005596929 3.3365e-09 deg/d
Q 2.859136576668368 2.9445e-08 au
   Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      6606 days (18.09 yr)  
   first obs. used      2002-02-21  
   last obs. used      2020-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57395  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:59  

Additional Information
 Earth MOID = 1.68867 au 
 Jupiter MOID = 2.23473 au 
 T_jup = 3.306 
[ 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 15.91   n/a E2021B55  

227496 (2005 XW72)          Discovered 2005-Dec-06 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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