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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1322332993592165 3.194e-08  
a 2.979608386855561 1.356e-08 au
q 2.585604939063257 9.8127e-08 au
i 1.3170729813498 4.7959e-06 deg
node 144.257752564075 0.00013673 deg
peri 305.3119967268107 0.00013829 deg
M 313.3791500284561 2.2272e-05 deg
tp 2459639.784754876941
(2022-Mar-01.28475488)
0.00011715 TDB
period 1878.612505116417
5.14
1.2824e-05
3.511e-08
d
yr
n .1916307908201063 1.3082e-09 deg/d
Q 3.373611834647865 1.5353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1437  
   data-arc span      11191 days (30.64 yr)  
   first obs. used      1990-11-11  
   last obs. used      2021-07-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52665  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:06:59  

Additional Information
 Earth MOID = 1.60245 au 
 Jupiter MOID = 1.81669 au 
 T_jup = 3.246 
[ 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 14.12   n/a E2021B10  
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. 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 0.108   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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1901-May-15 14:32 00:02 Jupiter 1.85289695407773 1.85289644870559 1.85289745944977 2.12941575485117 1.90266736900639 2415520.105453925 2.44385602926308 49.8850736858326 13.2393176384449 -84.2674759938781 2895349.17158316 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:05 2021-Jul-09 10:07
1937-Oct-19 22:35 00:02 Jupiter 1.82980397034858 1.82980351662363 1.82980442407344 2.25529785137859 2.03974546538083 2428826.441083225 1.65607021153833 59.7209353016814 3.7074937041522 -84.1008975229271 2292131.73583176 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:05 2021-Jul-09 10:07
1974-Mar-28 12:51 < 00:01 Jupiter 1.89238938498546 1.89238877798954 1.89238999198133 2.79057661854009 2.62528654926891 2442135.035517709 0.873588815267198 47.3024703804145 12.2076072136174 80.7584628427236 2261000.1303873 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:05 2021-Jul-09 10:07
2019-Jun-15 05:29 < 00:01 Jupiter 1.93204890861405 1.93204866047979 1.93204915674819 2.31896626744129 2.12150697580979 2458649.728266546 0.215168360863855 49.0522384633633 3.40339116011985 -88.0189916317805 4312455.05819284 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:05 2021-Jul-09 10:07
2055-Nov-20 05:12 < 00:01 Jupiter 1.83720228631132 1.83720192560884 1.8372026470137 2.13050454641748 1.90183357903191 2471956.716822038 0.883984734594595 46.834816739911 7.86279075609986 -85.6378322606151 3015615.21455521 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:05 2021-Jul-09 10:07
2092-Apr-27 10:46 00:02 Jupiter 1.82522470346648 1.82522427547568 1.82522513145717 2.32644720831331 2.11759935808981 2485264.948759781 1.67230080662434 65.7015250759336 4.09060137009649 -83.3569107397477 2414510.1712338 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:05 2021-Jul-09 10:07
2128-Oct-03 15:39 00:02 Jupiter 1.90947465357207 1.90947398672924 1.90947532041599 2.95715829481671 2.8031422716434 2498572.152019495 2.4453291841878 116.536544597675 12.6879737918799 84.9631065642088 2593791.39339499 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:05 2021-Jul-09 10:07
2173-Dec-22 08:49 00:03 Jupiter 1.89794540867746 1.89794444677482 1.89794637057967 2.24405371222562 2.035487467283 2515087.867659023 3.40435764310863 51.9811473601115 23.3258031194077 82.1633794607059 1915277.90575519 T 24 CATAB v2.0g-lin.ifort 2021-Jul-09 10:07:05 2021-Jul-09 10:07

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