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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04392545278261262 4.331e-08  
a 2.409645127662646 1.4719e-08 AU
q 2.303800374384648 1.0703e-07 AU
i 3.053477305741335 5.3764e-06 deg
node 133.6553067695131 8.8788e-05 deg
peri 144.1373413341691 0.00011394 deg
M 219.9465195393426 7.2913e-05 deg
tp 2457532.019820459032
(2016-May-23.51982046)
0.00027824 JED
period 1366.243343156352
3.74
1.2518e-05
3.427e-08
d
yr
n .2634962518231291 2.4142e-09 deg/d
Q 2.515489880940645 1.5365e-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 = 1.28958 AU 
 T_jup = 3.517 
[ 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-July); 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., in press.]

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 ]
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