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JPL Small-Body Database Browser
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24981 Shigekimurakami (1998 KB5)
Classification: Main-belt Asteroid          SPK-ID: 2024981
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1494060229280725 4.0426e-08  
a 2.170256961140987 7.0887e-09 au
q 1.846007499844948 8.9211e-08 au
i 4.996238700820348 5.2902e-06 deg
node 252.8928468658534 4.2052e-05 deg
peri 31.58382623877383 4.5631e-05 deg
M 164.75590214964 1.8881e-05 deg
tp 2458066.054229504744
(2017-Nov-08.55422950)
6.0418e-05 TDB
period 1167.791107134626
3.20
5.7215e-06
1.566e-08
d
yr
n .3082743119043962 1.5104e-09 deg/d
Q 2.494506422437027 8.1477e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1003  
   data-arc span      10486 days (28.71 yr)  
   first obs. used      1991-02-19  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54401  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:39:44  

Additional Information
 Earth MOID = .831178 au 
 Jupiter MOID = 2.63632 au 
 T_jup = 3.670 
[ 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 15.7   n/a MPO412364  
diameter diameter 2.060 km 0.510 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.262   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24981 Shigekimurakami           Discovered 1998 May 22 by A. Nakamura at Kuma Kogen.
Shigeki Murakami (b. 1962), born in Shiga Prefecture, is a senior researcher at the Forestry and Forest Products Research Institute and amateur astronomer in Japan. Using a homemade 0.46-m Dobsonian telescope, he codiscovered C/2002 E2.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 KB5 = 1991 DF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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