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10069 Fontenelle (1989 CW2)
Classification: Main-belt Asteroid          SPK-ID: 2010069
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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05958113895316602 4.0178e-08  
a 3.001016993470912 1.844e-08 au
q 2.822212982982109 1.1987e-07 au
i 9.010722930988829 3.6969e-06 deg
node 256.9394813263478 2.5352e-05 deg
peri 43.99074113100322 4.0391e-05 deg
M 208.718835127415 3.349e-05 deg
tp 2459798.464311156442
(2022-Aug-06.96431116)
0.0001789 TDB
period 1898.895690407108
5.20
1.7502e-05
4.792e-08
d
yr
n .1895838733105023 1.7473e-09 deg/d
Q 3.179821003959714 1.9538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2416  
   data-arc span      11608 days (31.78 yr)  
   first obs. used      1989-02-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:12:14  

Additional Information
 Earth MOID = 1.81433 au 
 Jupiter MOID = 1.95722 au 
 T_jup = 3.231 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457273.5 (2015-Sep-08.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05871818423674593 4.0043e-08  
q 2.826138543890379 1.1899e-07 au
tp 2457892.250742061278
(2017-May-18.75074206)
0.00017724 TDB
node 256.9966810219696 2.5361e-05 deg
peri 42.48918346065821 4.0819e-05 deg
i 9.007085050555546 3.6964e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2416  
   data-arc span      11608 days (31.78 yr)  
   first obs. used      1989-02-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4301  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:12:14  

Additional Information
 Jupiter MOID = 1.95722 au 
 T_jup = 3.231 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.60344574717684E-15 -4.714224826019993E-15 1.703666782908944E-12 -3.363305196603717E-15 2.849222503569848E-13 1.074059056767529E-15
q -4.714224826019993E-15 1.415838481073581E-14 -4.334214856048875E-12 9.230760634040116E-15 -7.331034112459648E-13 -2.932434460820956E-15
tp 1.703666782908944E-12 -4.334214856048875E-12 3.141481847846461E-8 -1.137595665435761E-11 5.690031295398796E-9 3.867911732974999E-13
node -3.363305196603717E-15 9.230760634040116E-15 -1.137595665435761E-11 6.431687701425719E-10 -6.369694595050555E-10 2.225380232252921E-11
peri 2.849222503569848E-13 -7.331034112459648E-13 5.690031295398796E-9 -6.369694595050555E-10 1.666210234828288E-9 -2.190197525345751E-11
i 1.074059056767529E-15 -2.932434460820956E-15 3.867911732974999E-13 2.225380232252921E-11 -2.190197525345751E-11 1.366315965637681E-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 12.3   n/a MPO384846  
diameter diameter 12.346 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 20.8392 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.168   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10069 Fontenelle           Discovered 1989 Feb. 4 by E. W. Elst at the European Southern Observatory.
Named in memory of Bernard Le Bovier, sieur de Fontenelle (1657-1757), well-known for his famous work Entretiens sur la pluralité des mondes (1686). Many of the ideas of the Enlightenment appear in embryonic form in his works. In De l´origine des fables (1724), he compared pagan religion with established religion.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990728/MPCPages.arcLast Updated: 2010-06-11

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Alternate Designations
 1989 CW2 = 1991 NR1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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