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
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 ]  
23587 Abukumado (1995 TE8)
Classification: Main-belt Asteroid          SPK-ID: 2023587
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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.

[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2182365960520005 3.5997e-08  
a 2.312384929676189 6.8777e-09 au
q 1.807737913861713 8.4977e-08 au
i 7.541892289107241 3.4588e-06 deg
node 178.7653910731907 2.5049e-05 deg
peri 171.803649227273 2.6247e-05 deg
M 22.74554265482008 8.0209e-06 deg
tp 2458919.351139816015
2.8492e-05 TDB
period 1284.365473691785
n .2802940497654571 1.2505e-09 deg/d
Q 2.817031945490665 8.3787e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1805  
   data-arc span      8771 days (24.01 yr)  
   first obs. used      1995-10-02  
   last obs. used      2019-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:59:27  

Additional Information
 Earth MOID = .802469 au 
 Jupiter MOID = 2.62368 au 
 T_jup = 3.540 
[ 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 14.0   n/a MPO384954  
diameter diameter 4.230 km 0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 3.054 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Salvaggio, F.; Marchini, A.; Papini, R. (2017) Minor Planet Bull. 44, 57-58.]
geometric albedo albedo 0.298   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

23587 Abukumado           Discovered 1995 Oct. 2 by T. Seki at Geisei.
Abukumado is a limestone cave in eastern Fukushima prefecture containing many awe-inspiring mysterious creations of nature. "Takinegoten", one of the largest cave halls in the East, displays unique stalactites such as crystal curtains and cave coral.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

Alternate Designations
 1995 TE8 = 1998 KY55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
FirstGov 2020-Jun-07 04:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin