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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1360311377727538 3.6732e-08  
a 2.677400640287732 1.0061e-08 au
q 2.313190784915892 9.7532e-08 au
i 10.25625586056775 4.0664e-06 deg
node 265.1617714707771 2.2714e-05 deg
peri 255.3884746585406 2.6885e-05 deg
M 66.27438963518389 1.4822e-05 deg
tp 2458305.914268785568
(2018-Jul-06.41426879)
6.5652e-05 TDB
period 1600.178648509124
4.38
9.0196e-06
2.469e-08
d
yr
n .2249748803581461 1.2681e-09 deg/d
Q 3.041610495659572 1.143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1985  
   data-arc span      23326 days (63.86 yr)  
   first obs. used      1955-10-09  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:21:15  

Additional Information
 Earth MOID = 1.3483 au 
 Jupiter MOID = 2.08727 au 
 T_jup = 3.342 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456260.5 (2012-Nov-29.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371334101177857 3.6594e-08  
q 2.309522045426033 9.7535e-08 au
tp 2456704.505257010651
(2014-Feb-16.00525701)
6.4477e-05 TDB
node 265.204792438771 2.2726e-05 deg
peri 254.9302634273073 2.6854e-05 deg
i 10.25470978453641 4.0662e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1985  
   data-arc span      23326 days (63.86 yr)  
   first obs. used      1955-10-09  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:21:15  

Additional Information
 Jupiter MOID = 2.08727 au 
 T_jup = 3.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.339084567841337E-15 -3.555002736944772E-15 -3.819290302943844E-14 3.547861082209496E-15 4.486182148386018E-16 -5.754692588259137E-16
q -3.555002736944772E-15 9.513116052044034E-15 1.171110184600862E-13 -9.904406540441436E-15 -2.722617622301366E-15 1.479297076963505E-15
tp -3.819290302943844E-14 1.171110184600862E-13 4.157320908724001E-9 7.682751902425583E-12 9.39866537352344E-10 1.366132880104894E-12
node 3.547861082209496E-15 -9.904406540441436E-15 7.682751902425583E-12 5.164533186480377E-10 -5.060832994670206E-10 2.378519779317177E-13
peri 4.486182148386018E-16 -2.722617622301366E-15 9.39866537352344E-10 -5.060832994670206E-10 7.211155923347251E-10 4.00799872158413E-14
i -5.754692588259137E-16 1.479297076963505E-15 1.366132880104894E-12 2.378519779317177E-13 4.00799872158413E-14 1.65338908108766E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.8   n/a MPO448931  
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. 2019-January); 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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