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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
13176 Kobedaitenken (1996 HE1)
Classification: Main-belt Asteroid          SPK-ID: 2013176
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 .1386463883025685 3.8804e-08  
a 3.193146391244809 1.8205e-08 au
q 2.750428176777336 1.2578e-07 au
i 18.70742097773128 4.9489e-06 deg
node 56.91385451457567 1.2531e-05 deg
peri 131.9047628419413 2.2721e-05 deg
M 27.37718282891784 1.685e-05 deg
tp 2458442.005963350561
(2018-Nov-19.50596335)
9.7761e-05 TDB
period 2084.138954338618
5.71
1.7824e-05
4.88e-08
d
yr
n .1727332044010677 1.4772e-09 deg/d
Q 3.635864605712283 2.0729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1959  
   data-arc span      25330 days (69.35 yr)  
   first obs. used      1950-04-22  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45107  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:14:16  

Additional Information
 Earth MOID = 1.78276 au 
 Jupiter MOID = 1.45814 au 
 T_jup = 3.099 
[ 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 12.1   n/a MPO435826  
diameter diameter 19.828 km 0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.5790 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.071   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13176 Kobedaitenken           Discovered 1996 Apr. 21 by R. H. McNaught and H. Abe at Yatsuka.
Kobedaitenken, short for Kobe-Daigaku Tenmon Kenkyu-kai, means "Kobe University astronomy club", which popularizes astronomy in Hyogo prefecture. The second discoverer belonged to this club during his student days.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071124/MPCPages.arcLast Updated: 2007-11-26

[ show close-approach data ]
Alternate Designations
 1996 HE1 = 1961 GG = 1998 SY27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin