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17470 Mitsuhashi (1991 BX)
Classification: Main-belt Asteroid          SPK-ID: 2017470
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433550482253609 5.4409e-08  
a 3.155592121796962 3.6437e-08 AU
q 2.70322206099719 1.651e-07 AU
i 4.122456237689859 6.2829e-06 deg
node 246.1117291119037 9.8292e-05 deg
peri 216.397718172508 0.00010216 deg
M 113.7943741922645 2.7947e-05 deg
tp 2456353.300739178422
(2013-Mar-01.80073918)
0.00015574 JED
period 2047.480251546622
5.61
3.5463e-05
9.709e-08
d
yr
n .1758258716918338 3.0453e-09 deg/d
Q 3.607962182596735 4.166e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      878  
   data-arc span      9013 days (24.68 yr)  
   first obs. used      1989-10-22  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54247  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:38:46  

Additional Information
 Earth MOID = 1.72132 AU 
 T_jup = 3.186 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO250385  
rotation period rot_per 12.6 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]

17470 Mitsuhashi           Discovered 1991 Jan. 19 by K. Endate and K. Watanabe at Kitami.
Yasuhiko Mitsuhashi (b. 1947), an amateur astronomer as well as a medical practitioner in Takamatsu City. His hospital is known for the astronomical observatory on its roof. The observatory is open to both his patients and to local residents, increasing astronomical awareness in the area.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1991 BX = 1989 US8 = 1994 PE30 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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