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227495 (2005 XT71)
Classification: Main-belt Asteroid          SPK-ID: 2227495
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06264983305543867 4.2005e-08  
a 2.563541111338612 1.6333e-08 au
q 2.402935688682494 1.062e-07 au
i 5.831334336945332 4.4837e-06 deg
node 58.27933905224027 4.2115e-05 deg
peri 105.3754564524034 5.5319e-05 deg
M 167.8388806556378 3.6727e-05 deg
tp 2458501.545459508747
(2019-Jan-18.04545951)		 0.00015078 TDB
period 1499.197525590736
4.10		 1.4327e-05
3.923e-08		 d
yr
n .2401284646318686 2.2948e-09 deg/d
Q 2.72414653399473 1.7356e-08 au
   Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      7310 days (20.01 yr)  
   first obs. used      2000-09-05  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:59  

Additional Information
 Earth MOID = 1.41731 au 
 Jupiter MOID = 2.25408 au 
 T_jup = 3.424 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.32   n/a E2021B55  

227495 (2005 XT71)          Discovered 2005-Dec-06 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 XT71 = 2007 HT21 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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