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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242310243177497 3.8832e-08  
a 2.992050036625883 1.3444e-08 au
q 2.620344595765889 1.1522e-07 au
i 10.43787863051818 3.9709e-06 deg
node 167.8842940297109 1.8349e-05 deg
peri 219.6731428754042 2.2063e-05 deg
M 255.515749127701 1.3721e-05 deg
tp 2459945.155879370477
(2022-Dec-31.65587937)
7.3677e-05 TDB
period 1890.39127834468
5.18
1.2741e-05
3.488e-08
d
yr
n .1904367651945759 1.2835e-09 deg/d
Q 3.363755477485877 1.5114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2895  
   data-arc span      23965 days (65.61 yr)  
   first obs. used      1955-11-16  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42258  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:16:54  

Additional Information
 Earth MOID = 1.63233 au 
 Jupiter MOID = 2.12715 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457035.5 (2015-Jan-13.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238257825134542 3.8714e-08  
q 2.621490215395931 1.1456e-07 au
tp 2456168.674385394517
(2012-Aug-29.17438539)
6.6543e-05 TDB
node 167.9048048223682 1.8354e-05 deg
peri 220.5116816294571 2.2111e-05 deg
i 10.43593568664774 3.9703e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2895  
   data-arc span      23965 days (65.61 yr)  
   first obs. used      1955-11-16  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42258  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:16:54  

Additional Information
 Jupiter MOID = 2.12715 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.498783444023634E-15 -4.41157027712593E-15 -1.024425843067101E-13 -1.593237530384635E-15 -3.917319970926124E-14 7.566127344675405E-17
q -4.41157027712593E-15 1.312482704531164E-14 3.827127032173722E-13 6.034388469944003E-15 1.398481630627638E-13 3.671164259214511E-16
tp -1.024425843067101E-13 3.827127032173722E-13 4.427991868526757E-9 -3.809671270597581E-12 8.333710454906032E-10 -8.093517284812308E-13
node -1.593237530384635E-15 6.034388469944003E-15 -3.809671270597581E-12 3.36886518507513E-10 -3.3141405045245E-10 2.13670884449046E-11
peri -3.917319970926124E-14 1.398481630627638E-13 8.333710454906032E-10 -3.3141405045245E-10 4.888938186493398E-10 -2.107965390948556E-11
i 7.566127344675405E-17 3.671164259214511E-16 -8.093517284812308E-13 2.13670884449046E-11 -2.107965390948556E-11 1.57632354803079E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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

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