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12383 Eboshi (1994 TF1)
Classification: Main-belt Asteroid          SPK-ID: 2012383
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343425490682727 4.4085e-08  
a 3.074151913518868 2.1879e-08 au
q 2.661162509233635 1.3664e-07 au
i 8.293212958122052 5.296e-06 deg
node 56.07869026806228 3.0014e-05 deg
peri 295.2802788670171 3.5787e-05 deg
M 221.9263288758282 2.244e-05 deg
tp 2459355.583161701596
(2021-May-21.08316170)
0.00012634 TDB
period 1968.731156341268
5.39
2.1018e-05
5.754e-08
d
yr
n .1828588930694995 1.9522e-09 deg/d
Q 3.487141317804101 2.4819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1304  
   data-arc span      10789 days (29.54 yr)  
   first obs. used      1989-10-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49761  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:01:53  

Additional Information
 Earth MOID = 1.66873 au 
 Jupiter MOID = 2.00748 au 
 T_jup = 3.200 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4   n/a MPO435818  
diameter diameter 10.879 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 48.7598 h n/a LCDB (Rev. 2019-January); 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 0.081   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12383 Eboshi           Discovered 1994 Oct. 2 by K. Endate and K. Watanabe at Kitami.
Eboshi-iwa is the common name of Uba Shima, located off Chigasaki beach. Kanagawa prefecture. The name was the highest-ranked favorite supported by citizens through a questionnaire. The Space Summit in Chigasaki selected the name on 2008 Aug. 9.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090209/MPCPages.arcLast Updated: 2009-02-11

Alternate Designations
 1994 TF1 = 1989 UP6 = 1998 KV35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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