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JPL Small-Body Database Browser
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1597 Laugier (1949 EB)
Classification: Main-belt Asteroid          SPK-ID: 2001597
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09022690764429066 3.596e-08  
a 2.845866690547955 1.2183e-08 au
q 2.589092939491922 1.0607e-07 au
i 11.80964432966907 3.8201e-06 deg
node 158.621317256246 1.7703e-05 deg
peri 52.24153758111316 2.704e-05 deg
M 190.7949200379183 2.1438e-05 deg
tp 2459424.697233328039
(2021-Jul-29.19723333)
0.00010633 TDB
period 1753.558486923595
4.80
1.1261e-05
3.083e-08
d
yr
n .2052968308069246 1.3183e-09 deg/d
Q 3.102640441603989 1.3283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2686  
   data-arc span      25840 days (70.75 yr)  
   first obs. used      1949-03-07  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4066  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:02:55  

Additional Information
 Earth MOID = 1.60509 au 
 Jupiter MOID = 1.90232 au 
 T_jup = 3.270 
[ 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 11.7   n/a MPO425816  
diameter diameter 12.885 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.0199 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Black, S.; Linville, D.; Michalik, D.; Wolf, M.; Ditteon, R. (2016) Minor Planet Bull. 43, 287-289.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Klinglesmith III, D.A.; Hendrickx, S.; Madden, K.; Montgomery, S. (2016) Minor Planet Bull. 43, 234-239.]
geometric albedo albedo 0.244   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1597 Laugier (1949 EB)          Discovered 1949-Mar-07 by Boyer, L. at Algiers
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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