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JPL Small-Body Database Browser
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20096 Shiraishiakihiko (1994 TZ)
Classification: Main-belt Asteroid          SPK-ID: 2020096
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05798769707260779 3.3014e-08  
a 3.06684117945156 1.7615e-08 au
q 2.889002122167724 1.0005e-07 au
i 10.03352421692785 4.2965e-06 deg
node 175.5377952322575 2.2555e-05 deg
peri 286.0961748480763 4.5477e-05 deg
M 205.5799841631869 4.0072e-05 deg
tp 2459841.965758011002
(2022-Sep-19.46575801)
0.00021942 TDB
period 1961.712484242239
5.37
1.6901e-05
4.627e-08
d
yr
n .1835131309464338 1.5811e-09 deg/d
Q 3.244680236735396 1.8636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1688  
   data-arc span      9099 days (24.91 yr)  
   first obs. used      1994-10-02  
   last obs. used      2019-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:01:12  

Additional Information
 Earth MOID = 1.92608 au 
 Jupiter MOID = 1.85395 au 
 T_jup = 3.206 
[ 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 13.0   n/a MPO347680  
diameter diameter 8.228 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20096 Shiraishiakihiko           Discovered 1994 Oct. 2 by K. Endate and K. Watanabe at Kitami.
Akihiko Shiraishi (b. 1952) is a writer-editor at Asahi Press. He writes frequently about astronomy and space development.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-10-05Last Updated: 2017-10-09

[ show close-approach data ]
Alternate Designations
 1994 TZ = 1999 RM165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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