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227505 (2005 XW105)
Classification: Main-belt Asteroid          SPK-ID: 2227505
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 .01078282267742253 6.4204e-08  
a 2.767256416236439 2.2265e-08 au
q 2.737417580997202 1.7246e-07 au
i 3.40490884557495 7.0074e-06 deg
node 318.2225690572719 8.649e-05 deg
peri 202.7717442339855 0.0002627 deg
M 55.76613647476889 0.00024838 deg
tp 2458940.040268827260
(2020-Mar-31.54026883)
0.00116 TDB
period 1681.405762520595
4.60
2.0293e-05
5.556e-08
d
yr
n .2141065577533908 2.5841e-09 deg/d
Q 2.797095251475676 2.2506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      292  
   data-arc span      8438 days (23.10 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52621  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 10:34:09  

Additional Information
 Earth MOID = 1.74305 au 
 Jupiter MOID = 2.17519 au 
 T_jup = 3.336 
[ 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 16.21   n/a E2021B55  

227505 (2005 XW105)          Discovered 2005-Dec-01 by Buie, M. W. at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 XW105 = 1999 TM317 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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