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227491 (2005 XW48)
Classification: Main-belt Asteroid          SPK-ID: 2227491
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 .1668018483362319 2.2948e-07  
a 2.554461145383658 2.3123e-08 au
q 2.128372304830576 6.0019e-07 au
i 4.836956994450344 9.4167e-06 deg
node 41.32129616751808 4.7911e-05 deg
peri 7.575306037670066 6.3783e-05 deg
M 272.0204791657029 3.3041e-05 deg
tp 2459564.940362786826
(2021-Dec-16.44036279)
0.00014063 TDB
period 1491.239431166714
4.08
2.0248e-05
5.544e-08
d
yr
n .2414099255129966 3.2779e-09 deg/d
Q 2.980549985936741 2.698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      6338 days (17.35 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49968  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:58  

Additional Information
 Earth MOID = 1.13773 au 
 Jupiter MOID = 2.40235 au 
 T_jup = 3.414 
[ 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 MPO281221  

227491 (2005 XW48)          Discovered 2005-Dec-02 by LINEAR at Socorro
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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