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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374642067241942 3.6526e-08  
a 2.675775815639336 9.2484e-09 au
q 2.307952415770691 9.7149e-08 au
i 10.25466706189833 3.03e-06 deg
node 265.1488222025209 2.1995e-05 deg
peri 255.3116533838501 2.4627e-05 deg
M 156.2586879290695 1.3317e-05 deg
tp 2458306.571562175878
(2018-Jul-07.07156218)
5.7567e-05 TDB
period 1598.72222740077
4.38
8.2886e-06
2.269e-08
d
yr
n .2251798303857288 1.1674e-09 deg/d
Q 3.043599215507982 1.052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2466  
   data-arc span      23765 days (65.07 yr)  
   first obs. used      1955-10-09  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:14:04  

Additional Information
 Earth MOID = 1.34264 au 
 Jupiter MOID = 2.08412 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457166.5 (2015-May-24.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359067420134575 3.6473e-08  
q 2.312527871995602 9.6727e-08 au
tp 2456704.705561152283
(2014-Feb-16.20556115)
5.5289e-05 TDB
node 265.1948204954603 2.1987e-05 deg
peri 254.9155895363309 2.4682e-05 deg
i 10.25458417954692 3.0286e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2466  
   data-arc span      23765 days (65.07 yr)  
   first obs. used      1955-10-09  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:14:04  

Additional Information
 Jupiter MOID = 2.08412 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.330282903566974E-15 -3.516328523519728E-15 -6.686749993595457E-14 -1.282440655504902E-16 -3.891742565338658E-15 1.863065440417497E-15
q -3.516328523519728E-15 9.356185568720805E-15 3.071642061192123E-13 -1.569456485145554E-16 4.028356362576699E-14 -4.860064345287842E-15
tp -6.686749993595457E-14 3.071642061192123E-13 3.056917078856837E-9 3.044986345193578E-12 6.432841806927598E-10 5.470897351374351E-13
node -1.282440655504902E-16 -1.569456485145554E-16 3.044986345193578E-12 4.834171198100317E-10 -4.749470313187285E-10 1.269678157493853E-11
peri -3.891742565338658E-15 4.028356362576699E-14 6.432841806927598E-10 -4.749470313187285E-10 6.092101216296757E-10 -1.237967858587747E-11
i 1.863065440417497E-15 -4.860064345287842E-15 5.470897351374351E-13 1.269678157493853E-11 -1.237967858587747E-11 9.172612490826801E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.7   n/a MPO492773  
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-August); 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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