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37640 Luiginegrelli (1993 WF)
Classification: Main-belt Asteroid          SPK-ID: 2037640
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09476598966442795 3.4323e-08  
a 2.375526572766241 8.6057e-09 au
q 2.150407446123901 8.0847e-08 au
i 5.517008902532537 3.9778e-06 deg
node 255.765567268957 4.0564e-05 deg
peri 174.3322549871783 4.8024e-05 deg
M 75.12724062893305 2.3867e-05 deg
tp 2458721.417115438147
(2019-Aug-25.91711544)
8.8598e-05 TDB
period 1337.329011436821
3.66
7.267e-06
1.99e-08
d
yr
n .2691932926910913 1.4628e-09 deg/d
Q 2.60064569940858 9.4213e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1250  
   data-arc span      9653 days (26.43 yr)  
   first obs. used      1993-11-20  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:27:23  

Additional Information
 Earth MOID = 1.16488 au 
 Jupiter MOID = 2.62423 au 
 T_jup = 3.529 
[ 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 15.0   n/a PDS3 (MPO 26230)  
diameter diameter 2.660 km 0.589 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.250   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37640 Luiginegrelli           Discovered 1993 Nov. 20 by V. S. Casulli at Colleverde.
Luigi Negrelli (1799-1858) was an Italian engineer, known for his work on the Suez Canal.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-11-04Last Updated: 2017-11-07

Alternate Designations
 1993 WF = 2000 QU119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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