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1619 Ueta (1953 TA)
Classification: Main-belt Asteroid          SPK-ID: 2001619
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753711618301134 3.2073e-08  
a 2.241601938805706 4.1399e-09 au
q 1.848489602436715 7.243e-08 au
i 6.209926951226584 3.2184e-06 deg
node 61.4782192019165 3.0805e-05 deg
peri 328.1186706061683 3.1921e-05 deg
M 299.7547398531951 8.9319e-06 deg
tp 2459205.642928293021
(2020-Dec-22.14292829)
3.0547e-05 TDB
period 1225.846714007498
3.36
3.3959e-06
9.297e-09
d
yr
n .2936745645979665 8.1355e-10 deg/d
Q 2.634714275174698 4.8659e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2874  
   data-arc span      32793 days (89.78 yr)  
   first obs. used      1931-01-11  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:17:09  

Additional Information
 Earth MOID = .8576 au 
 Jupiter MOID = 2.80321 au 
 T_jup = 3.606 
[ 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 12.2   n/a MPO473786  
diameter diameter 8.965 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.720 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Higgins, D. (2011) Minor Planet Bull. 38, 41-46.]
[Stephens, R.D. (2011) Minor Planet Bull. 38, 23-24.]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.479   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.900   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=18.26 deg.
U-B UB 0.546   0.054 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=18.26 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1619 Ueta (1953 TA)          Discovered 1953-Oct-11 by Mitani, T. at Kwasan
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1953 TA = 1926 RR = 1931 AO = 1940 YJ = 1951 AG1 = 1978 GM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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