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1851 Lacroute (1950 VA)
Classification: Main-belt Asteroid          SPK-ID: 2001851
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1920925074167224 3.3788e-08  
a 3.104859091947827 1.3558e-08 au
q 2.508438923799961 1.0634e-07 au
i 1.664792425537609 3.8954e-06 deg
node 24.74347144757556 0.00011819 deg
peri 342.8152849294677 0.00011856 deg
M 266.5410055492229 1.1204e-05 deg
tp 2459519.275996319176
(2021-Oct-31.77599632)
6.3982e-05 TDB
period 1998.302675653819
5.47
1.3089e-05
3.584e-08
d
yr
n .1801528889422182 1.18e-09 deg/d
Q 3.701279260095693 1.6162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2380  
   data-arc span      25513 days (69.85 yr)  
   first obs. used      1950-11-09  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48751  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:14:51  

Additional Information
 Earth MOID = 1.50745 au 
 Jupiter MOID = 1.76092 au 
 T_jup = 3.191 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.7   n/a MPO473789  
diameter diameter 17.024 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1851 Lacroute (1950 VA)          Discovered 1950-Nov-09 by Boyer, L. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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