Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
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 ]  
19954 Shigeyoshi (1982 VY3)
Classification: Main-belt Asteroid          SPK-ID: 2019954
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361165885510665 2.7859e-08  
a 2.290681312726012 6.6947e-09 au
q 1.978881586980068 6.3571e-08 au
i 6.530105783746971 3.4298e-06 deg
node 67.22633206446113 2.8496e-05 deg
peri 198.069277912885 3.1479e-05 deg
M 189.6961796608607 1.3481e-05 deg
tp 2459995.555866887105
(2023-Feb-20.05586689)
4.7798e-05 TDB
period 1266.325744483576
3.47
5.5514e-06
1.52e-08
d
yr
n .2842870419149638 1.2463e-09 deg/d
Q 2.602481038471955 7.606e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2409  
   data-arc span      14024 days (38.40 yr)  
   first obs. used      1982-11-14  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44848  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:17:36  

Additional Information
 Earth MOID = .96438 au 
 Jupiter MOID = 2.46104 au 
 T_jup = 3.578 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.17   n/a E2021B10  
rotation period rot_per 65.129 h n/a LCDB (Rev. 2020-October); 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.]

19954 Shigeyoshi           Discovered 1982 Nov. 14 by H. Kosai and K. Hurukawa at Kiso.
Shigeyoshi Nabeshima (1800-1862) was the 28th lord of Takeo area, Saga domain in the 19th century. He imported globes and astronomical telescopes, and introduced foreign studies including astronomy. He is respected as a local hero, called "Shigeyoshi-kou" in Takeo.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-01-12Last Updated: 2017-01-17

Alternate Designations
 1982 VY3 = 1998 HR135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-24 23:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin