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JPL Small-Body Database Browser
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1109 Tata (1929 CU)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001109
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09863388116009263 3.4942e-08  
a 3.226585776932302 1.4909e-08 au
q 2.908335098857516 1.1263e-07 au
i 4.120558194991738 4.0399e-06 deg
node 268.0740220085345 5.1652e-05 deg
peri 359.7620636363501 5.5243e-05 deg
M 232.5503355057938 2.0885e-05 deg
tp 2459749.961702410304
(2022-Jun-19.46170241)
0.00012412 TDB
period 2116.96291189511
5.80
1.4673e-05
4.017e-08
d
yr
n .1700549395443717 1.1787e-09 deg/d
Q 3.544836455007088 1.638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3003  
   data-arc span      33236 days (91.00 yr)  
   first obs. used      1929-02-05  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:45:56  

Additional Information
 Earth MOID = 1.89231 au 
 Jupiter MOID = 1.53954 au 
 T_jup = 3.176 
[ 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 10.0   n/a MPO502163 IRAS observations used: 18
diameter diameter 61.817 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.277 h n/a LCDB (Rev. 2019-August); 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:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.044   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.604   0.037 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=4.99, mean=5.56, max.=6.14) deg.
Tholen spectral type spec_T FC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1109 Tata (1929 CU)          Discovered 1929-Feb-05 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1929 CU = 1925 QE = 1964 HA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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