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11315 Salpetriere (1994 NS1)
Classification: Main-belt Asteroid          SPK-ID: 2011315
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0980028677150413 3.8011e-08  
a 2.355189997118663 8.1609e-09 au
q 2.124374623387254 9.2111e-08 au
i 1.646310677412964 3.5047e-06 deg
node 239.8422833999218 0.0001388 deg
peri 116.3917290911699 0.00013997 deg
M 7.561184109328528 1.9453e-05 deg
tp 2458972.771609521685
(2020-May-03.27160952)
7.1295e-05 TDB
period 1320.192767145818
3.61
6.8619e-06
1.879e-08
d
yr
n .2726874506200331 1.4173e-09 deg/d
Q 2.586005370850072 8.9607e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1590  
   data-arc span      11675 days (31.96 yr)  
   first obs. used      1987-09-02  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:00:34  

Additional Information
 Earth MOID = 1.1204 au 
 Jupiter MOID = 2.78609 au 
 T_jup = 3.548 
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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 14.6   n/a MPO395110  
diameter diameter 3.348 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.274   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11315 Salpêtrière           Discovered 1994 July 8 by E. W. Elst at Caussols.
Founded in Paris in 1862, "Salpêtrière Hospital" is a famous neurological clinic. Thanks to the clinician Jean-Martin Charcot, the clinic became one of the greatest neurological centers of the time in Europe. In 1885 Sigmund Freud visited Charcot and became interested in the psychological origins of neurosis.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000320/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1994 NS1 = 1987 RN = 1998 QC55 
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