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JPL Small-Body Database Browser
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5354 Hisayo (1990 BJ2)
Classification: Main-belt Asteroid          SPK-ID: 2005354
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05490340208764454 3.6018e-08  
a 3.193343229004036 1.7419e-08 au
q 3.01801782169817 1.1494e-07 au
i 4.908314713587054 3.698e-06 deg
node 133.1790343020526 4.5898e-05 deg
peri 65.95648468882918 5.7023e-05 deg
M 50.58297763598307 3.3156e-05 deg
tp 2458707.634160592655
(2019-Aug-12.13416059)
0.00019224 TDB
period 2084.331668755765
5.71
1.7054e-05
4.669e-08
d
yr
n .1727172337284021 1.4132e-09 deg/d
Q 3.368668636309901 1.8375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2220  
   data-arc span      25647 days (70.22 yr)  
   first obs. used      1950-02-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:20:05  

Additional Information
 Earth MOID = 2.02027 au 
 Jupiter MOID = 1.60093 au 
 T_jup = 3.188 
[ 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 12.0   n/a MPO302096  
diameter diameter 15.610 km 0.407 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 14.29164 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 0.126   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5354 Hisayo           Discovered 1990 Jan. 30 by S. Ueda and H. Kaneda at Kushiro.
Named in honor of Hisayo Kaneda (b. 1977), daughter of the second discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19960828/MPCPages.arcLast Updated: 2003-09-26

[ hide close-approach data ]
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
1988-Dec-04 17:58 < 00:01 Jupiter 1.79932482055426 1.79932434548184 1.79932529562657 2.82063916147501 2.64849315616073 2447500.248367229 0.724565352597007 38.9276718003437 13.3022551217786 79.2112873904355 3052350.78922554 T 31 CATAB v2.0f-lin.ifort 2020-May-20 02:20:14 2020-May-20 02:20
1999-Oct-19 05:50 < 00:01 Jupiter 1.63273411099025 1.63273372388772 1.63273449809269 2.25293704334179 2.00952089974807 2451470.743000667 0.442051248320119 45.4975775205028 1.83685202819917 78.7944364801183 2959125.73603899 T 31 CATAB v2.0f-lin.ifort 2020-May-20 02:20:14 2020-May-20 02:20
2010-Sep-10 03:06 < 00:01 Jupiter 1.60582092460668 1.60582055756551 1.60582129164775 2.31395104081481 2.07350650567977 2455449.628851527 0.215278058978218 40.1459836153661 9.20829075041536 79.5862333036605 2854859.02888615 T 31 CATAB v2.0f-lin.ifort 2020-May-20 02:20:14 2020-May-20 02:20
2021-Aug-02 19:53 < 00:01 Jupiter 1.74217028849302 1.7421698881196 1.74217068886635 2.81957466797858 2.64151945800856 2459429.328254741 0.318215696076333 38.7357775419125 12.8344981023258 -87.5145466703419 3289859.65115389 T 31 CATAB v2.0f-lin.ifort 2020-May-20 02:20:14 2020-May-20 02:20
2032-Jun-22 19:42 < 00:01 Jupiter 1.9804123997135 1.98041191567367 1.98041288375334 3.58839909011198 3.46716135998237 2463406.321013729 0.547567737773869 37.557172455743 18.8692119957264 -76.9074809430622 3733615.58908348 T 31 CATAB v2.0f-lin.ifort 2020-May-20 02:20:14 2020-May-20 02:20
2120-Jan-01 08:49 00:02 Jupiter 1.89336648684781 1.89336538023701 1.89336759345829 3.18961856034284 3.04613527827777 2495373.867024782 2.37622254295346 47.2848307471068 32.8277727058925 -45.0264288861939 1541159.8714863 T 31 CATAB v2.0f-lin.ifort 2020-May-20 02:20:14 2020-May-20 02:20
2130-Nov-16 06:36 00:03 Jupiter 1.69186543823142 1.69186453495126 1.69186634151226 2.39510058739415 2.1760557312534 2499345.775253504 2.67608199502377 89.3140648362717 6.05594881058654 79.2930226288914 2373089.06137242 T 31 CATAB v2.0f-lin.ifort 2020-May-20 02:20:14 2020-May-20 02:20
2141-Oct-04 10:12 00:03 Jupiter 1.60080717165926 1.60080678804756 1.60080755527141 2.18504287593653 1.92773651996683 2503320.925185308 2.9332169155841 172.218674583938 8.82981660929556 85.5285228759506 2840507.14671975 T 31 CATAB v2.0f-lin.ifort 2020-May-20 02:20:14 2020-May-20 02:20
2152-Aug-26 18:43 00:03 Jupiter 1.66905992555813 1.66905893896113 1.66906091216036 2.56600544018134 2.35996066726444 2507300.279562262 3.2431092995393 179.496462840406 12.4860961512397 -83.2704714678613 3010697.02761597 T 31 CATAB v2.0f-lin.ifort 2020-May-20 02:20:14 2020-May-20 02:20
2163-Jul-17 10:33 00:04 Jupiter 1.87464031042828 1.8746386115954 1.87464200926383 3.29892733526947 3.15899628457765 2511276.939448348 3.54057183658492 147.06840759366 19.3920347511484 -62.9379966533181 3081628.37377176 T 31 CATAB v2.0f-lin.ifort 2020-May-20 02:20:14 2020-May-20 02:20

Alternate Designations
 1990 BJ2 = 1976 UR20 = 1985 HK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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