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16649 (1993 TY1)
Classification: Main-belt Asteroid          SPK-ID: 2016649
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532384163851646 3.6283e-08  
a 2.297950883975261 8.6068e-09 au
q 1.945816529584003 8.6509e-08 au
i 6.914926916074279 4.0066e-06 deg
node 12.77678393317081 3.064e-05 deg
peri 336.8069087586765 3.3331e-05 deg
M 320.210012710684 1.4573e-05 deg
tp 2459341.130926956106
(2021-May-06.63092696)
5.1781e-05 TDB
period 1272.358629724718
3.48
7.1483e-06
1.957e-08
d
yr
n .2829390956210892 1.5896e-09 deg/d
Q 2.650085238366519 9.9257e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1937  
   data-arc span      14933 days (40.88 yr)  
   first obs. used      1979-10-16  
   last obs. used      2020-09-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:37:46  

Additional Information
 Earth MOID = .940604 au 
 Jupiter MOID = 2.77527 au 
 T_jup = 3.568 
[ 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 14.49   n/a E2021B10  
diameter diameter 2.627 km 0.569 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.308   0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

16649 (1993 TY1)          Discovered 1993-Oct-15 by Endate, K., Watanabe, K. at Kitami
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 TY1 = 1979 UQ3 = 1999 GU5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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