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1936 Lugano (1973 WD)
Classification: Main-belt Asteroid          SPK-ID: 2001936
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382320459557166 1.6088e-08  
a 2.674098715203463 8.9266e-09 au
q 2.304452578713335 4.287e-08 au
i 10.25420734840004 5.896e-07 deg
node 265.1304864281251 3.4411e-06 deg
peri 255.2823800906211 8.3463e-06 deg
M 245.5594030494106 1.0711e-05 deg
tp 2459904.240952784008
(2022-Nov-20.74095278)
4.9017e-05 TDB
period 1597.219412278689
4.37
7.9977e-06
2.19e-08
d
yr
n .2253917008724572 1.1286e-09 deg/d
Q 3.043744851693591 1.0161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2685  
   data-arc span      24022 days (65.77 yr)  
   first obs. used      1955-10-09  
   last obs. used      2021-07-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40714  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:12:25  

Additional Information
 Earth MOID = 1.33991 au 
 Jupiter MOID = 2.08266 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457268.5 (2015-Sep-03.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358718490015133 1.6052e-08  
q 2.312792768487607 4.2709e-08 au
tp 2456704.784848009064
(2014-Feb-16.28484801)
4.2093e-05 TDB
node 265.1935626931201 3.438e-06 deg
peri 254.9463919639317 8.4758e-06 deg
i 10.25402133278229 5.9044e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2685  
   data-arc span      24022 days (65.77 yr)  
   first obs. used      1955-10-09  
   last obs. used      2021-07-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40714  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 08:12:25  

Additional Information
 Jupiter MOID = 2.08266 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.576820186831184E-16 -6.743097049618027E-16 2.090014475043897E-13 -1.714566338517063E-16 2.345701298673313E-14 2.539824129879672E-15
q -6.743097049618027E-16 1.82402348069953E-15 -4.526421589263112E-13 1.64205253811544E-16 -3.87785788524725E-14 -6.390161519736539E-15
tp 2.090014475043897E-13 -4.526421589263112E-13 1.771812774277225E-9 1.449381380358251E-11 3.258110289277557E-10 4.590084381293363E-12
node -1.714566338517063E-16 1.64205253811544E-16 1.449381380358251E-11 1.181976908743503E-11 -8.131268501699967E-12 -1.139673201988861E-12
peri 2.345701298673313E-14 -3.87785788524725E-14 3.258110289277557E-10 -8.131268501699967E-12 7.183885946648127E-11 1.761840458154384E-12
i 2.539824129879672E-15 -6.390161519736539E-15 4.590084381293363E-12 -1.139673201988861E-12 1.761840458154384E-12 3.48614121098858E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.89   n/a E2021B10  
diameter diameter 33.905 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.651 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pray, D. (2005) Minor Planet Bull. 32, 48-51.]
geometric albedo albedo 0.031   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1936 Lugano (1973 WD)          Discovered 1973-Nov-24 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1973 WD = 1936 LC = 1949 KE1 = 1951 WX = 1964 VA1 = 1970 AG1 = 1970 AL1 = 1970 CD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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