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JPL Small-Body Database Browser
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8306 Shoko (1995 DY1)
Classification: Main-belt Asteroid          SPK-ID: 2008306
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209120477347948 4.4263e-08  
a 2.241550448868646 7.2043e-09 au
q 1.746364949108225 1.004e-07 au
i 4.781530372857286 4.4491e-06 deg
node 208.655737496623 4.3148e-05 deg
peri 143.3985040553326 4.3785e-05 deg
M 244.4681734020642 8.9033e-06 deg
tp 2458993.887306468092
3.151e-05 TDB
period 1225.804477422184
n .2936846835125494 1.4158e-09 deg/d
Q 2.736735948629068 8.7958e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1377  
   data-arc span      12045 days (32.98 yr)  
   first obs. used      1986-08-26  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52759  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:00:57  

Additional Information
 Earth MOID = .743183 au 
 Jupiter MOID = 2.71128 au 
 T_jup = 3.597 
[ 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 14.9   n/a MPO435778  
rotation period rot_per 3.3503 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; Kusnirak, P.; Hornoch, H.; Galad, A.; et al. (2013) IAUC 9268.]

8306 Shoko           Discovered 1995 Feb. 24 by A. Nakamura at Kuma Kogen.
Named in honor of Shoko Sawada (b. 1962), Japanese singer and songwriter. Since her debut in 1979, she has released 52 singles and 22 albums, ranging from touching ballads to rhythmical pop songs. Her recordings have fascinated many fans in Japan, including the discoverer of this minor planet.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980610/MPCPages.arcLast Updated: 2009-11-17

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
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
2158-Dec-21 14:45 00:01 Hebe 0.0419593431023523 0.0419559501971466 0.0419627387807079 4.55656212424508 4.5565620917295 2509608.114787327 1.32469183995655 566.682338434259 18.3638413128204 -72.7265771299779 326252.010848563 T 23 CATAB v2.0f-lin.ifort 2019-Sep-24 01:01:02 2019-Sep-24 01:01

Alternate Designations
 1995 DY1 = 1986 QA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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