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JPL Small-Body Database Browser
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136040 (2002 WL7)
Classification: Main-belt Asteroid          SPK-ID: 2136040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368941468236845 4.325e-08  
a 3.081102033884028 1.8193e-08 au
q 2.659317199678755 1.3613e-07 au
i .5450555089509403 5.4612e-06 deg
node 343.0998186886193 0.00042133 deg
peri 147.29632912 0.00042188 deg
M 33.10966448728441 1.8567e-05 deg
tp 2458818.818868071211
(2019-Dec-01.31886807)
0.000102 TDB
period 1975.411364240272
5.41
1.7496e-05
4.79e-08
d
yr
n .1822405229193633 1.6141e-09 deg/d
Q 3.502886868089301 2.0683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1998-01-02  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:36:06  

Additional Information
 Earth MOID = 1.67408 au 
 Jupiter MOID = 1.54546 au 
 T_jup = 3.213 
[ 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 15.0   n/a MPO241075  
diameter diameter 5.265 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136040 (2002 WL7)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2002 WL7 = 2001 SD189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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