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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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 
[ 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 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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