Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
16624 Hoshizawa (1993 HX)
Classification: Main-belt Asteroid          SPK-ID: 2016624
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04386187010082764 4.3351e-08  
a 2.408235993470094 1.463e-08 au
q 2.302606259152371 1.0708e-07 au
i 3.053846378460869 5.3766e-06 deg
node 133.6566382636344 8.8807e-05 deg
peri 145.0354857403499 0.00011406 deg
M 324.4764824586249 7.3399e-05 deg
tp 2457535.197784895833
(2016-May-26.69778490)
0.0002787 JED
period 1365.04507207151
3.74
1.2439e-05
3.406e-08
d
yr
n .263727555496527 2.4031e-09 deg/d
Q 2.513865727787816 1.5271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      9563 days (26.18 yr)  
   first obs. used      1989-04-07  
   last obs. used      2015-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50958  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:19:03  

Additional Information
 Earth MOID = 1.28535 au 
 Jupiter MOID = 2.51994 au 
 T_jup = 3.518 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO337399  
rotation period rot_per 2.7616 h n/a LCDB (Rev. 2015-December); 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.]

16624 Hoshizawa           Discovered 1993 Apr. 16 by K. Endate and K. Watanabe at Kitami.
Sachiko Hoshizawa (b. 1951) appears daily on a Japanese television program about cooking and has introduced more than 3800 dishes using the produce of Hokkaido. A great space enthusiast, she developed and in 2000 presented to the astronaut Kouichi Wakata a special soybean soup for space.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

Alternate Designations
 1993 HX = 1998 SD66 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-Feb-11 10:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin