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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1273743797880321 3.7133e-08  
a 3.156667304426907 1.7585e-08 au
q 2.75458876432837 1.1338e-07 au
i 3.486045818169706 3.4898e-06 deg
node 101.7086710116558 8.6553e-05 deg
peri 43.3082922334621 8.8522e-05 deg
M 79.71373560744286 1.8715e-05 deg
tp 2458746.900772776810
(2019-Sep-20.40077278)
0.00010567 TDB
period 2048.52677591867
5.61
1.7117e-05
4.686e-08
d
yr
n .1757360480868289 1.4684e-09 deg/d
Q 3.558745844525443 1.9825e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1219  
   data-arc span      9466 days (25.92 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5064  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:49:53  

Additional Information
 Earth MOID = 1.76807 au 
 Jupiter MOID = 1.45532 au 
 T_jup = 3.191 
[ 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 14.07   n/a E2021B10  
diameter diameter 7.717 km 0.307 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.57 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:
[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] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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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