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

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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2183128689793789 2.4562e-08  
a 2.312835828939958 6.3206e-09 au
q 1.807914003645775 5.8219e-08 au
i 7.54161835666985 8.4708e-07 deg
node 178.7612576552883 2.6795e-06 deg
peri 171.847964826074 3.128e-06 deg
M 78.75571025771153 3.9405e-06 deg
tp 2458919.442493839163
(2020-Mar-10.94249384)
1.3439e-05 TDB
period 1284.741155743612
3.52
5.2665e-06
1.442e-08
d
yr
n .2802120866063723 1.1487e-09 deg/d
Q 2.81775765423414 7.7004e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2113  
   data-arc span      9300 days (25.46 yr)  
   first obs. used      1995-10-02  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46217  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:27:28  

Additional Information
 Earth MOID = .800916 au 
 Jupiter MOID = 2.62375 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 14.06   n/a MPCxxxxx  
diameter diameter 4.230 km 0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.054 h n/a LCDB (Rev. 2020-October); 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] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 ]
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