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JPL Small-Body Database Browser
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19250 Poullain (1994 PF26)
Classification: Main-belt Asteroid          SPK-ID: 2019250
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 .1275189699001504 3.8188e-08  
a 3.156922075695896 2.0628e-08 au
q 2.75435462454811 1.1905e-07 au
i 3.486019003070265 4.0698e-06 deg
node 101.7091894015948 8.7701e-05 deg
peri 43.31293134857695 8.9996e-05 deg
M 44.54902216776175 2.1639e-05 deg
tp 2458746.969685542046
0.00012212 TDB
period 2048.774782556557
n .1757147750280171 1.7222e-09 deg/d
Q 3.559489526843681 2.3258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      9306 days (25.48 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:44:14  

Additional Information
 Earth MOID = 1.76797 au 
 Jupiter MOID = 1.45534 au 
 T_jup = 3.190 
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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 14.0   n/a MPO299101  
diameter diameter 7.717 km 0.307 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 9.57 h n/a LCDB (Rev. 2019-August); 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:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.090   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

19250 Poullain           Discovered 1994 Aug. 12 by E. W. Elst at the European Southern Observatory.
François Poullain de la Barre (1647-1725) was a French priest, writer, and Cartesian and feminist philosopher. In 1673 he published a radical and philosophically-sophisticated defense of the equality of women and men.
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 2018-05-29Last Updated: 2018-09-17

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Alternate Designations
 1994 PF26 = 2000 TJ41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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