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JPL Small-Body Database Browser
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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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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925809735773692 3.5998e-08  
a 3.102020959815874 1.4352e-08 au
q 2.504630743317128 1.1179e-07 au
i 1.665907500980376 4.0757e-06 deg
node 24.76202322983593 0.00012272 deg
peri 343.0636979614119 0.00012308 deg
M 194.1211500190061 1.1116e-05 deg
tp 2459520.004870115204
(2021-Nov-01.50487012)
6.4891e-05 TDB
period 1995.563348066381
5.46
1.3849e-05
3.792e-08
d
yr
n .1804001864179482 1.252e-09 deg/d
Q 3.69941117631462 1.7116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2159  
   data-arc span      25020 days (68.50 yr)  
   first obs. used      1950-11-09  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48864  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:28:02  

Additional Information
 Earth MOID = 1.50287 au 
 Jupiter MOID = 1.75954 au 
 T_jup = 3.192 
[ 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 12.6   n/a MPO435714  
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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