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227448 (2005 WL53)
Classification: Main-belt Asteroid          SPK-ID: 2227448
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1232712432557739 3.0609e-08  
a 2.593331861499055 1.6415e-08 au
q 2.273648618757256 8.2108e-08 au
i 4.147811658831512 4.4255e-06 deg
node 76.23828570282895 6.756e-05 deg
peri 220.3547902333475 7.1562e-05 deg
M 336.762964847726 2.3927e-05 deg
tp 2459298.960896272401
(2021-Mar-25.46089627)
0.00010142 TDB
period 1525.406422367776
4.18
1.4483e-05
3.965e-08
d
yr
n .2360026775298339 2.2407e-09 deg/d
Q 2.913015104240854 1.8438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      6751 days (18.48 yr)  
   first obs. used      2001-12-17  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:26:47  

Additional Information
 Earth MOID = 1.25766 au 
 Jupiter MOID = 2.26133 au 
 T_jup = 3.404 
[ 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 16.51   n/a E2021B55  

227448 (2005 WL53)          Discovered 2005-Nov-25 by Mt. Lemmon Survey at Mount Lemmon
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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