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30939 Samaritaine (1994 BE4)
Classification: Main-belt Asteroid          SPK-ID: 2030939
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461337477829309 3.4522e-08  
a 2.68089207689635 1.152e-08 au
q 2.289123270297921 9.4062e-08 au
i 13.54898081772349 3.5511e-06 deg
node 135.3566748615229 1.653e-05 deg
peri 108.1786014441837 2.1369e-05 deg
M 343.3664158689735 1.2826e-05 deg
tp 2459470.579963902284
(2021-Sep-13.07996390)
5.7099e-05 TDB
period 1603.30971333336
4.39
1.0335e-05
2.83e-08
d
yr
n .2245355323467368 1.4473e-09 deg/d
Q 3.07266088349478 1.3204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2045  
   data-arc span      10025 days (27.45 yr)  
   first obs. used      1994-01-16  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 06:47:35  

Additional Information
 Earth MOID = 1.31774 au 
 Jupiter MOID = 2.11772 au 
 T_jup = 3.322 
[ 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 13.93   n/a MPCxxxxx  
rotation period rot_per 10.3393 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

30939 Samaritaine           Discovered 1994 Jan. 16 by E. W. Elst and C. Pollas at Caussols.
Opened in 1869, La Samaritaine, was a department store near the Pont Neuf, Paris. The store expanded from 1883 to 1933, incorporating surrounding buildings. Between 1903 and 1907 architect Frantz Jourdain applied Art Nouveau designs. The building is now classified as a historical monument.
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 2015-09-28Last Updated: 2015-10-05

Alternate Designations
 1994 BE4 = 2000 PX8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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