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 ]  
11974 Yasuhidefujita (1994 YF)
Classification: Main-belt Asteroid          SPK-ID: 2011974
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043172704667022 3.8891e-08  
a 3.115355763071321 1.6269e-08 au
q 2.478834777027878 1.2491e-07 au
i 2.391984100398914 3.4443e-06 deg
node 119.9744169893356 0.00010014 deg
peri 263.3146720705735 0.00010047 deg
M 322.6341968393262 1.0278e-05 deg
tp 2459408.964314017619
(2021-Jul-13.46431402)
5.8358e-05 TDB
period 2008.444799744792
5.50
1.5733e-05
4.307e-08
d
yr
n .1792431636885137 1.4041e-09 deg/d
Q 3.751876749114763 1.9593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2030  
   data-arc span      17524 days (47.98 yr)  
   first obs. used      1972-12-30  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52089  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:03:45  

Additional Information
 Earth MOID = 1.48246 au 
 Jupiter MOID = 1.70796 au 
 T_jup = 3.184 
[ 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 13.18   n/a E2021B10  
diameter diameter 9.964 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 26.158 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.]
geometric albedo albedo 0.112   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11974 Yasuhidefujita           Discovered 1994 Dec. 24 by T. Kobayashi at Oizumi.
Yasuhide Fujita (b. 1961), a Japanese amateur astronomer, is a staff member at the Board of Education in Kuma Town. He worked as a researcher at the Kuma Kogen Astronomical Observatory for eight years (1992-1999) and independently discovered the supernova 1994I.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1994 YF = 1972 YK1 = 1973 AU2 = 1977 TX4 = 1988 VG11 = 1997 GC41 
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-20 12:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin