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4576 Yanotoyohiko (1988 CC)
Classification: Main-belt Asteroid          SPK-ID: 2004576
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .124235709248189 4.0823e-08  
a 2.991427971158862 1.3944e-08 au
q 2.61978579549707 1.2022e-07 au
i 10.437869223468 4.1028e-06 deg
node 167.8882334467686 1.8433e-05 deg
peri 219.7891663406563 2.2172e-05 deg
M 218.0446348748552 1.3621e-05 deg
tp 2459945.687502007871
(2023-Jan-01.18750201)
7.3707e-05 TDB
period 1889.801773158308
5.17
1.3214e-05
3.618e-08
d
yr
n .1904961700815607 1.332e-09 deg/d
Q 3.363070146820654 1.5676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2780  
   data-arc span      23853 days (65.31 yr)  
   first obs. used      1955-11-16  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:31:25  

Additional Information
 Earth MOID = 1.63129 au 
 Jupiter MOID = 2.12708 au 
 T_jup = 3.219 
[ 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 11.65   n/a E2021B10  
diameter diameter 17.151 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.40 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Zeigler, K.; Barnhard, T.; Moser, A.; Duval, N.; et al. (2018) Minor Planet Bull. 45, 184-186.]
geometric albedo albedo 0.191   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4576 Yanotoyohiko           Discovered 1988 Feb. 10 by T. Kojima at Chiyoda.
Toyohiko Yano (b. 1952) is a professor at the Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology. His major work is materials science, particularly in the field of ceramics, and he is also a skillful electron microscopist. In their youth, he and the discoverer climbed mountains together.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100130/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1988 CC = 1981 UD20 = 1983 CV3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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