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3555 Miyasaka (1931 TC1)
Classification: Main-belt Asteroid          SPK-ID: 2003555
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2380544786954957 4.365e-08  
a 2.732869601545934 1.1158e-08 au
q 2.08229775320715 1.2076e-07 au
i 9.477322754365495 4.6953e-06 deg
node 26.29113824882934 2.1944e-05 deg
peri 310.439786375205 2.3313e-05 deg
M 318.6551389152372 9.5631e-06 deg
tp 2459586.015976696209
(2022-Jan-06.51597670)
4.4192e-05 TDB
period 1650.162797034499
4.52
1.0107e-05
2.767e-08
d
yr
n .2181602934249606 1.3361e-09 deg/d
Q 3.383441449884718 1.3815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2443  
   data-arc span      32775 days (89.73 yr)  
   first obs. used      1931-10-06  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43911  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 22:32:54  

Additional Information
 Earth MOID = 1.08759 au 
 Jupiter MOID = 2.07613 au 
 T_jup = 3.293 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.01   n/a E2021B10  
diameter diameter 6.521 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 54.208 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.315   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3555 Miyasaka (1931 TC1)          Discovered 1931-Oct-06 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1931 TC1 = 1972 VW = 1981 WP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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