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136580 (1984 WL)
Classification: Main-belt Asteroid          SPK-ID: 2136580
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2796982646100233 6.4549e-08  
a 2.364843605224773 1.2507e-08 au
q 1.703400952769293 1.4953e-07 au
i 25.32353837865355 8.4846e-06 deg
node 254.2593164103763 1.2895e-05 deg
peri 193.3405833050408 2.0452e-05 deg
M 161.3833480606862 1.2599e-05 deg
tp 2458005.032196758219
(2017-Sep-08.53219676)
4.502e-05 TDB
period 1328.318018823297
3.64
1.0538e-05
2.885e-08
d
yr
n .271019435781583 2.15e-09 deg/d
Q 3.026286257680254 1.6005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      22802 days (62.43 yr)  
   first obs. used      1955-12-11  
   last obs. used      2018-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52283  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:45:12  

Additional Information
 Earth MOID = .724402 au 
 Jupiter MOID = 2.26878 au 
 T_jup = 3.370 
[ 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 14.9   n/a MPO296974  
diameter diameter 2.318 km 0.505 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.361   0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

136580 (1984 WL)          Discovered 1984-Nov-27 by Ciffreo, J. at Caussols
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 1984 WL = 2002 QS24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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