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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753711614186067 3.1992e-08  
a 2.241601938691923 4.077e-09 au
q 1.84848960326532 7.229e-08 au
i 6.209925982893417 3.169e-06 deg
node 61.47821155256048 3.0487e-05 deg
peri 328.1186779266464 3.1583e-05 deg
M 299.7547402438618 8.6711e-06 deg
tp 2459205.642926947131
(2020-Dec-22.14292695)
2.9638e-05 TDB
period 1225.846713914162
3.36
3.3443e-06
9.156e-09
d
yr
n .2936745646203269 8.0119e-10 deg/d
Q 2.634714274118525 4.792e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2934  
   data-arc span      32817 days (89.85 yr)  
   first obs. used      1931-01-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3876  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:01:43  

Additional Information
 Earth MOID = .8576 au 
 Jupiter MOID = 2.80321 au 
 T_jup = 3.606 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456856.5 (2014-Jul-18.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754698656320653 3.1975e-08  
q 1.847842302174576 7.224e-08 au
tp 2456754.926520408174
(2014-Apr-07.42652041)
2.8991e-05 TDB
node 61.55582895577882 3.0455e-05 deg
peri 328.1741832697408 3.155e-05 deg
i 6.213877146100106 3.1707e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2934  
   data-arc span      32817 days (89.85 yr)  
   first obs. used      1931-01-11  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3876  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:01:43  

Additional Information
 Jupiter MOID = 2.80321 au 
 T_jup = 3.606 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.022394590649842E-15 -2.307456531563658E-15 -2.047369786479744E-13 4.430505975260331E-15 -5.349255098964194E-14 -1.906947557685578E-15
q -2.307456531563658E-15 5.218571693855964E-15 4.550331661556416E-13 -9.670275114355841E-15 1.187792222236595E-13 4.338513376135619E-15
tp -2.047369786479744E-13 4.550331661556416E-13 8.404990813398545E-10 3.83363949098928E-13 2.492371954788587E-10 1.124968393727497E-12
node 4.430505975260331E-15 -9.670275114355841E-15 3.83363949098928E-13 9.275290883739229E-10 -9.216299793870704E-10 -2.131555430102251E-11
peri -5.349255098964194E-14 1.187792222236595E-13 2.492371954788587E-10 -9.216299793870704E-10 9.954172353127781E-10 2.150948372492112E-11
i -1.906947557685578E-15 4.338513376135619E-15 1.124968393727497E-12 -2.131555430102251E-11 2.150948372492112E-11 1.005320465372706E-11

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. 2020-October); 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.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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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