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10117 Tanikawa (1992 TW)
Classification: Main-belt Asteroid          SPK-ID: 2010117
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143668104235309 1.5754e-08  
a 2.9740871762994 1.3543e-08 au
q 2.633950312024512 4.8432e-08 au
i 10.69295889871211 1.5908e-06 deg
node 188.1508051317988 5.0781e-06 deg
peri 193.4066278879657 1.1054e-05 deg
M 167.7291704311324 1.3041e-05 deg
tp 2458327.659143680594
(2018-Jul-28.15914368)
6.5989e-05 TDB
period 1873.393324889794
5.13
1.2797e-05
3.504e-08
d
yr
n .1921646646313195 1.3126e-09 deg/d
Q 3.314224040574288 1.5092e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2140  
   data-arc span      11319 days (30.99 yr)  
   first obs. used      1990-03-27  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46247  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:31:50  

Additional Information
 Earth MOID = 1.63605 au 
 Jupiter MOID = 2.14847 au 
 T_jup = 3.226 
[ 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 13.17   n/a E2021B10  
diameter diameter 9.145 km 0.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.88064 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.160   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10117 Tanikawa           Discovered 1992 Oct. 1 by M. Yanai and K. Watanabe at Kitami.
Kiyotaka Tanikawa (b. 1944) is an associate professor at the National Astronomical Observatory of Japan who specializes in the study of the three-body problem.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1992 TW = 1995 FZ12 = 1996 LD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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