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46731 Prieurblanc (1997 TB18)
Classification: Main-belt Asteroid          SPK-ID: 2046731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08435799145544991 3.7515e-08  
a 2.972044212837916 1.7728e-08 au
q 2.721328532526116 1.1791e-07 au
i 9.681618189902759 4.9782e-06 deg
node .1721791720476717 2.0914e-05 deg
peri 290.4331551269208 3.5068e-05 deg
M 308.9816275323914 2.7973e-05 deg
tp 2459661.719483474603
(2022-Mar-23.21948347)
0.0001452 TDB
period 1871.46334610098
5.12
1.6744e-05
4.584e-08
d
yr
n .192362837749415 1.7211e-09 deg/d
Q 3.222759893149717 1.9223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1564  
   data-arc span      8654 days (23.69 yr)  
   first obs. used      1997-10-04  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51724  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:48:25  

Additional Information
 Earth MOID = 1.72445 au 
 Jupiter MOID = 2.00243 au 
 T_jup = 3.235 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457508.5 (2016-Apr-30.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08352442518946938 3.7306e-08  
q 2.72457471574124 1.1706e-07 au
tp 2457784.561070106716
(2017-Jan-31.06107011)
0.00014965 TDB
node .2015731737818774 2.0914e-05 deg
peri 289.5704538532266 3.5392e-05 deg
i 9.680880003470868 4.9775e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1564  
   data-arc span      8654 days (23.69 yr)  
   first obs. used      1997-10-04  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51724  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 07:48:25  

Additional Information
 Jupiter MOID = 2.00243 au 
 T_jup = 3.235 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.391757688922299E-15 -4.32989889378941E-15 2.055931032144762E-12 2.39553772572037E-15 4.111605293913678E-13 2.210214031972525E-15
q -4.32989889378941E-15 1.370408741844585E-14 -6.561520678738453E-12 -6.949629236157421E-15 -1.319281976394503E-12 -7.170364331986028E-15
tp 2.055931032144762E-12 -6.561520678738453E-12 2.239459907696245E-8 -1.162296256406357E-11 4.283975499702151E-9 5.73363885251264E-12
node 2.39553772572037E-15 -6.949629236157421E-15 -1.162296256406357E-11 4.373946756559171E-10 -4.329600846411874E-10 -1.967227480628943E-11
peri 4.111605293913678E-13 -1.319281976394503E-12 4.283975499702151E-9 -4.329600846411874E-10 1.252584831172675E-9 2.049792529921985E-11
i 2.210214031972525E-15 -7.170364331986028E-15 5.73363885251264E-12 -1.967227480628943E-11 2.049792529921985E-11 2.477540335829859E-11

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 13.89   n/a MPO614063  
rotation period rot_per 17.416 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

46731 Prieurblanc           Discovered 1997 Oct. 4 by C. Demeautis and P. Buttani at Hottviller.
Pierre Prieur-Blanc (1921-2002) was one of the three people involved in the contruction of the Paris Observatory's coronagraphic station on Pic de Chateau-Renard at Saint-Véran in the Hautes-Alpes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

[ show close-approach data ]
Alternate Designations
 1997 TB18 = 1997 TH24 = 2000 DW15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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