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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09363416991662306 2.0974e-08  
a 3.022959430310588 1.3799e-08 au
q 2.739907133361828 6.6211e-08 au
i 8.704205763505492 5.3847e-07 deg
node 249.3790871112743 3.7614e-06 deg
peri 61.17038359620099 1.4107e-05 deg
M 359.6886341093879 1.0817e-05 deg
tp 2459202.160410377957
(2020-Dec-18.66041038)
5.7686e-05 TDB
period 1919.759851952073
5.26
1.3145e-05
3.599e-08
d
yr
n .1875234548914754 1.284e-09 deg/d
Q 3.306011727259347 1.5091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2712  
   data-arc span      31711 days (86.82 yr)  
   first obs. used      1934-02-05  
   last obs. used      2020-12-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:30:24  

Additional Information
 Earth MOID = 1.73654 au 
 Jupiter MOID = 1.91134 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 10.94   n/a E2021B10  
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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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