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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242310205059161 3.7915e-08  
a 2.992050035758013 1.3309e-08 au
q 2.620344606411032 1.1281e-07 au
i 10.43787929535528 3.9042e-06 deg
node 167.8842955603423 1.8276e-05 deg
peri 219.6731416157606 2.1991e-05 deg
M 255.515749285435 1.3719e-05 deg
tp 2459945.155878303488
(2022-Dec-31.65587830)
7.3656e-05 TDB
period 1890.391277522193
5.18
1.2613e-05
3.453e-08
d
yr
n .1904367652774326 1.2706e-09 deg/d
Q 3.363755465104993 1.4962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2950  
   data-arc span      24007 days (65.73 yr)  
   first obs. used      1955-11-16  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41927  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 10:39:09  

Additional Information
 Earth MOID = 1.63233 au 
 Jupiter MOID = 2.12715 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457060.5 (2015-Feb-07.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238336992608778 3.7807e-08  
q 2.621440262412149 1.122e-07 au
tp 2456168.639094142672
(2012-Aug-29.13909414)
6.6491e-05 TDB
node 167.9048601523864 1.8281e-05 deg
peri 220.5041897508689 2.2037e-05 deg
i 10.43595324141549 3.9036e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2950  
   data-arc span      24007 days (65.73 yr)  
   first obs. used      1955-11-16  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41927  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 10:39:09  

Additional Information
 Jupiter MOID = 2.12715 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.429394119417575E-15 -4.218710024539E-15 -8.225245569148671E-14 -1.181250257600701E-15 -3.345837067006692E-14 1.737233405862679E-16
q -4.218710024539E-15 1.258877082541081E-14 3.272419544317429E-13 4.896051844108078E-15 1.241121470828174E-13 7.931336436037083E-17
tp -8.225245569148671E-14 3.272419544317429E-13 4.421090780506097E-9 -3.382051059674795E-12 8.310251849051668E-10 -5.870784973924895E-13
node -1.181250257600701E-15 4.896051844108078E-15 -3.382051059674795E-12 3.342072001401647E-10 -3.287123958166126E-10 2.018302456968621E-11
peri -3.345837067006692E-14 1.241121470828174E-13 8.310251849051668E-10 -3.287123958166126E-10 4.85618528291912E-10 -1.987786895147489E-11
i 1.737233405862679E-16 7.931336436037083E-17 -5.870784973924895E-13 2.018302456968621E-11 -1.987786895147489E-11 1.523822332345724E-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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