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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762497498760046 3.9099e-08  
a 2.240921282216809 5.5702e-09 au
q 1.845959466734281 8.643e-08 au
i 6.214102393455411 4.151e-06 deg
node 61.49534474215329 3.3205e-05 deg
peri 328.1059320595736 3.4973e-05 deg
M 182.338305651704 1.3446e-05 deg
tp 2459205.185601453135
(2020-Dec-21.68560145)
4.7096e-05 TDB
period 1225.288418652395
3.35
4.5685e-06
1.251e-08
d
yr
n .2938083756605957 1.0955e-09 deg/d
Q 2.635883097699337 6.5519e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2284  
   data-arc span      32262 days (88.33 yr)  
   first obs. used      1931-01-11  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41449  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:25:15  

Additional Information
 Earth MOID = .854422 au 
 Jupiter MOID = 2.80023 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 12.15   n/a PDS3 (MPC 17262)  
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-January); 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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