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JPL Small-Body Database Browser
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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09476598699477932 3.4498e-08  
a 2.375526573326045 8.6487e-09 au
q 2.150407452972476 8.1348e-08 au
i 5.517008904276348 4.0103e-06 deg
node 255.7655667158452 4.0693e-05 deg
peri 174.332255669666 4.8147e-05 deg
M 75.12724013149051 2.3899e-05 deg
tp 2458721.417117187397
(2019-Aug-25.91711719)
8.8709e-05 TDB
period 1337.329011909543
3.66
7.3033e-06
2e-08
d
yr
n .2691932925959363 1.4701e-09 deg/d
Q 2.600645693679613 9.4683e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      9570 days (26.20 yr)  
   first obs. used      1993-11-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:35:49  

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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