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2957 Tatsuo (1934 CB1)
Classification: Main-belt Asteroid          SPK-ID: 2002957
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09349596471993388 3.4115e-08  
a 3.021766863929586 1.5803e-08 au
q 2.739243855827761 1.0707e-07 au
i 8.711621018734 4.2419e-06 deg
node 249.422093305743 2.6802e-05 deg
peri 61.59225030846682 3.6449e-05 deg
M 321.7782854725015 2.6624e-05 deg
tp 2459204.203045639596
(2020-Dec-20.70304564)
0.00014255 TDB
period 1918.623937644015
5.25
1.5051e-05
4.121e-08
d
yr
n .1876344774693388 1.4719e-09 deg/d
Q 3.304289872031412 1.728e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2488  
   data-arc span      31544 days (86.36 yr)  
   first obs. used      1934-02-05  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45163  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:51:46  

Additional Information
 Earth MOID = 1.73803 au 
 Jupiter MOID = 1.91562 au 
 T_jup = 3.222 
[ 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 10.8   n/a MPO263372  
diameter diameter 22.473 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.8191 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2006) Minor Planet Bull. 33, 35-39.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.211   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B K   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2957 Tatsuo (1934 CB1)          Discovered 1934-Feb-05 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1934 CB1 = 1935 FM = 1937 TM = 1952 OD = 1957 MB = 1958 TM1 = 1962 KC = 1978 LO = 1983 LA = A899 JA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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