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135471 (2001 WL12)
Classification: Main-belt Asteroid          SPK-ID: 2135471
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215451145087692 3.4704e-08  
a 2.609728060512318 1.5645e-08 au
q 2.292528364560601 9.0209e-08 au
i 5.227525201530844 5.2387e-06 deg
node 155.2086551154859 4.2685e-05 deg
peri 268.07683942 4.9192e-05 deg
M 187.2928769667379 2.7117e-05 deg
tp 2459939.252661791832
(2022-Dec-25.75266179)
0.00012014 TDB
period 1539.895712314306
4.22
1.3847e-05
3.791e-08
d
yr
n .2337820653185382 2.1023e-09 deg/d
Q 2.926927756464036 1.7547e-08 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      10103 days (27.66 yr)  
   first obs. used      1992-09-27  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57545  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:12  

Additional Information
 Earth MOID = 1.3122 au 
 Jupiter MOID = 2.36924 au 
 T_jup = 3.394 
[ 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 15.79   n/a E2021B55  

135471 (2001 WL12)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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