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18111 Pinet (2000 NB14)
Classification: Main-belt Asteroid          SPK-ID: 2018111
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1027687462651819 2.8589e-08  
a 2.799539083840672 1.1167e-08 au
q 2.51183396207399 8.067e-08 au
i 2.939545811092665 3.5527e-06 deg
node 256.1610213212173 7.6508e-05 deg
peri 145.9426952261697 7.9618e-05 deg
M 56.79138485959542 2.105e-05 deg
tp 2458930.596704269289
(2020-Mar-22.09670427)
0.00010007 TDB
period 1710.914194173576
4.68
1.0237e-05
2.803e-08
d
yr
n .2104138250918486 1.259e-09 deg/d
Q 3.087244205607353 1.2315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1718  
   data-arc span      10760 days (29.46 yr)  
   first obs. used      1991-10-04  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:41:16  

Additional Information
 Earth MOID = 1.52006 au 
 Jupiter MOID = 2.27433 au 
 T_jup = 3.316 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457066.5 (2015-Feb-13.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1018361244825888 2.8684e-08  
q 2.514360131483417 8.0756e-08 au
tp 2457209.999882609550
(2015-Jul-06.49988261)
0.00010207 TDB
node 256.3899117421412 7.6858e-05 deg
peri 143.8476970227719 7.9994e-05 deg
i 2.930302050043282 3.5473e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1718  
   data-arc span      10760 days (29.46 yr)  
   first obs. used      1991-10-04  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48519  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:41:16  

Additional Information
 Jupiter MOID = 2.27433 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.227594600032774E-16 -2.298610575104418E-15 -3.473696253044148E-13 2.118426034211836E-15 -8.98419042268316E-14 -1.519770672546492E-16
q -2.298610575104418E-15 6.521575892924567E-15 8.912275277597334E-13 -3.883276374810726E-15 2.290249899402739E-13 6.119057621628459E-16
tp -3.473696253044148E-13 8.912275277597334E-13 1.041868968120185E-8 1.915307755420048E-11 2.282683517466087E-9 9.700358343980224E-13
node 2.118426034211836E-15 -3.883276374810726E-15 1.915307755420048E-11 5.90718853424025E-9 -5.89536156839606E-9 6.16233383087937E-11
peri -8.98419042268316E-14 2.290249899402739E-13 2.282683517466087E-9 -5.89536156839606E-9 6.399098877848249E-9 -6.134921689329351E-11
i -1.519770672546492E-16 6.119057621628459E-16 9.700358343980224E-13 6.16233383087937E-11 -6.134921689329351E-11 1.258341244596954E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.30   n/a MPCxxxxx  
diameter diameter 4.140 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 25.927 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.215   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

18111 Pinet           Discovered 2000 July 5 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Patrick Pinet (b. 1957), of the Observatoire de Midi-Pyrenées, Toulouse, is an expert on the physical and compositional properties of the moon and terrestrial planets. He has taken part in several lunar and Mars space missions.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050721/MPCPages.arcLast Updated: 2005-07-21

Alternate Designations
 2000 NB14 = 1991 TA4 = 1999 JX51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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