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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374642076219188 3.6552e-08  
a 2.67577582046598 1.0323e-08 au
q 2.307952417531735 9.7339e-08 au
i 10.25466384372209 4.0449e-06 deg
node 265.1488278382123 2.2591e-05 deg
peri 255.3116383879016 2.6643e-05 deg
M 156.2586943469212 1.4633e-05 deg
tp 2458306.571531797279
(2018-Jul-07.07153180)
6.433e-05 TDB
period 1598.722231726505
4.38
9.252e-06
2.533e-08
d
yr
n .2251798297764497 1.3031e-09 deg/d
Q 3.043599223400226 1.1742e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2016  
   data-arc span      23376 days (64.00 yr)  
   first obs. used      1955-10-09  
   last obs. used      2019-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:08:24  

Additional Information
 Earth MOID = 1.34264 au 
 Jupiter MOID = 2.08412 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456281.5 (2012-Dec-20.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370802704712887 3.6386e-08  
q 2.309834868446079 9.6968e-08 au
tp 2456704.441447743212
(2014-Feb-15.94144774)
6.4062e-05 TDB
node 265.2034324694844 2.2581e-05 deg
peri 254.9027837974794 2.6692e-05 deg
i 10.25502745553802 4.0455e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2016  
   data-arc span      23376 days (64.00 yr)  
   first obs. used      1955-10-09  
   last obs. used      2019-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:08:24  

Additional Information
 Jupiter MOID = 2.08412 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.323933205105704E-15 -3.514201886595065E-15 -4.081074245621292E-14 3.466672272694942E-15 -6.843241545997768E-16 -6.54576448043288E-16
q -3.514201886595065E-15 9.40281025295134E-15 1.226771543860953E-13 -9.793544593036885E-15 3.122155907781112E-16 1.689143460290204E-15
tp -4.081074245621292E-14 1.226771543860953E-13 4.103911009888778E-9 8.013313353926219E-12 9.2904406559138E-10 1.374511190254171E-12
node 3.466672272694942E-15 -9.793544593036885E-15 8.013313353926219E-12 5.099124706796839E-10 -4.995617923134627E-10 3.798186883372736E-13
peri -6.843241545997768E-16 3.122155907781112E-16 9.2904406559138E-10 -4.995617923134627E-10 7.12460533595239E-10 -9.932379462184595E-14
i -6.54576448043288E-16 1.689143460290204E-15 1.374511190254171E-12 3.798186883372736E-13 -9.932379462184595E-14 1.63662118728665E-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 11.7   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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