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JPL Small-Body Database Browser
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17465 Inawashiroko (1990 VU3)
Classification: Main-belt Asteroid          SPK-ID: 2017465
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318214917628646 3.6168e-08  
a 2.982863513562965 1.9215e-08 au
q 2.589657995480075 1.057e-07 au
i 1.316193082685133 4.8544e-06 deg
node 144.2497688142132 0.00018437 deg
peri 304.846976761484 0.00018557 deg
M 237.9944419100568 2.2245e-05 deg
tp 2459638.213505783333
(2022-Feb-27.71350578)
0.0001191 TDB
period 1881.691831717656
5.15
1.8183e-05
4.978e-08
d
yr
n .1913171933532724 1.8487e-09 deg/d
Q 3.376069031645855 2.1748e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1183  
   data-arc span      10081 days (27.60 yr)  
   first obs. used      1990-11-11  
   last obs. used      2018-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53678  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 17:43:27  

Additional Information
 Earth MOID = 1.60643 au 
 Jupiter MOID = 1.81582 au 
 T_jup = 3.245 
[ show covariance matrix ]

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 14.1   n/a MPO267774  
diameter diameter 7.012 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 25.1984 h n/a LCDB (Rev. 2019-August); 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 0.108   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17465 Inawashiroko           Discovered 1990 Nov. 11 by T. Seki at Geisei.
Inawashiroko, one of the largest lakes in Japan, is located in Bandai-Asahi National Park. It is known for the clarity of its water, migrating swans and numerous swimming beaches. The town of Inawashiro on the north shore is the birthplace of bacteriologist Hideyo Noguchi.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100130/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1990 VU3 = 1997 CZ28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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