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9580 Tarumi (1989 TB11)
Classification: Main-belt Asteroid          SPK-ID: 2009580
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321341235190086 1.6402e-08  
a 2.667360018093824 9.5577e-09 au
q 2.314910739993349 4.4899e-08 au
i 4.008616319839619 8.2948e-07 deg
node 336.0693017319871 2.8097e-06 deg
peri 34.77215257584973 9.2637e-06 deg
M 63.54559020973427 5.8793e-06 deg
tp 2458919.631005482366
(2020-Mar-11.13100548)
2.5845e-05 TDB
period 1591.185756440723
4.36
8.5524e-06
2.342e-08
d
yr
n .2262463691261752 1.216e-09 deg/d
Q 3.019809296194298 1.0821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2144  
   data-arc span      25663 days (70.26 yr)  
   first obs. used      1950-12-09  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48049  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:29:24  

Additional Information
 Earth MOID = 1.31423 au 
 Jupiter MOID = 2.45368 au 
 T_jup = 3.367 
[ 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 13.40   n/a MPCxxxxx  
diameter diameter 5.794 km 1.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 9.052 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.]
geometric albedo albedo 0.246   0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

9580 Tarumi           Discovered 1989 Oct. 4 by T. Nomura and K. Kawanishi at Minami-Oda.
Named for the ward in Kobe City where the first discoverer was born and lives. Tarumi is depicted in eighth-century Japanese poems, and it is also an obsolete word for waterfall. The world's longest suspension bridge, connecting Tarumi with the Awaji Island, was completed in 1998.
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

Alternate Designations
 1989 TB11 = 1976 UL1 = 1980 RO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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