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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175220549341227 1.5281e-08  
a 2.24097939106926 3.9072e-09 au
q 1.848313751103736 3.5007e-08 au
i 6.209922976474643 1.797e-06 deg
node 61.47062382972317 2.2211e-06 deg
peri 328.1960971711549 4.2132e-06 deg
M 358.4389457203631 5.1696e-06 deg
tp 2459205.813378134880
(2020-Dec-22.31337813)
1.76e-05 TDB
period 1225.336078000847
3.35
3.2046e-06
8.774e-09
d
yr
n .2937969480073949 7.6837e-10 deg/d
Q 2.633645031034784 4.5918e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3238  
   data-arc span      32941 days (90.19 yr)  
   first obs. used      1931-01-11  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:37:56  

Additional Information
 Earth MOID = .856276 au 
 Jupiter MOID = 2.80512 au 
 T_jup = 3.607 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457151.5 (2015-May-09.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758913335319538 1.536e-08  
q 1.847394637421392 3.5248e-08 au
tp 2456755.202888833302
(2014-Apr-07.70288883)
1.6895e-05 TDB
node 61.52069280838883 2.2176e-06 deg
peri 328.2742857295655 4.1949e-06 deg
i 6.212520369468094 1.7974e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3238  
   data-arc span      32941 days (90.19 yr)  
   first obs. used      1931-01-11  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37529  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:37:56  

Additional Information
 Jupiter MOID = 2.80512 au 
 T_jup = 3.607 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.359320849716417E-16 -5.392317429446735E-16 1.262189153645397E-13 1.413089817370212E-14 2.372721952181565E-14 -2.106575289628459E-14
q -5.392317429446735E-16 1.242433179249952E-15 -2.882163656504989E-13 -3.2086645409865E-14 -5.310356914115407E-14 4.771241630490403E-14
tp 1.262189153645397E-13 -2.882163656504989E-13 2.854449304785767E-10 5.423967061979615E-12 6.560908773828631E-11 -3.711876957467228E-12
node 1.413089817370212E-14 -3.2086645409865E-14 5.423967061979615E-12 4.917769351950712E-12 -1.957283832027041E-12 -2.731758617424946E-12
peri 2.372721952181565E-14 -5.310356914115407E-14 6.560908773828631E-11 -1.957283832027041E-12 1.759732750618051E-11 6.843413319174349E-13
i -2.106575289628459E-14 4.771241630490403E-14 -3.711876957467228E-12 -2.731758617424946E-12 6.843413319174349E-13 3.230823623762962E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.27   n/a E2021B10  
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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