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 ]  
15252 Yoshiken (1990 OD1)
Classification: Main-belt Asteroid          SPK-ID: 2015252
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1315795227666148 1.3818e-08  
a 2.31726420068792 7.632e-09 au
q 2.012359683037243 3.146e-08 au
i 7.521064757743555 6.0685e-07 deg
node 127.506509125919 6.5711e-06 deg
peri 156.9356084113493 1.0607e-05 deg
M 242.1697703949878 9.5953e-06 deg
tp 2459622.212018697912
(2022-Feb-11.71201870)
3.5294e-05 TDB
period 1288.432749729535
3.53
6.3653e-06
1.743e-08
d
yr
n .2794092280528963 1.3804e-09 deg/d
Q 2.622168718338598 8.6362e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1947  
   data-arc span      14267 days (39.06 yr)  
   first obs. used      1982-02-21  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:52:53  

Additional Information
 Earth MOID = .996433 au 
 Jupiter MOID = 2.52725 au 
 T_jup = 3.557 
[ 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 14.11   n/a E2021B10  
diameter diameter 3.385 km 0.281 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 22.218 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.425   0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15252 Yoshiken           Discovered 1990 July 20 by T. Seki at Geisei.
Kenichi Yoshioka (b. 1948) was a primary school principal. He joined the staff of Geisei Observatory in 2008 and is involved in astronomy education for children.
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 2013-09-19Last Updated: 2013-09-23

[ show close-approach data ]
Alternate Designations
 1990 OD1 = 1982 DM2 = 2000 GV87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-16 02:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin