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216609 (2002 TU178)
Classification: Main-belt Asteroid          SPK-ID: 2216609
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170797585530064 8.8145e-08  
a 2.58045037213566 2.8547e-08 au
q 2.278331865608002 2.1715e-07 au
i 27.14789382768099 9.8154e-06 deg
node 221.2715091566464 1.8602e-05 deg
peri 107.6777934928122 5.3381e-05 deg
M 188.4469560677604 5.6889e-05 deg
tp 2459922.002135672205
(2022-Dec-08.50213567)
0.0002474 TDB
period 1514.055145209705
4.15
2.5125e-05
6.879e-08
d
yr
n .2377720528469509 3.9457e-09 deg/d
Q 2.882568878663319 3.1889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      6372 days (17.45 yr)  
   first obs. used      2002-10-12  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:55:33  

Additional Information
 Earth MOID = 1.3865 au 
 Jupiter MOID = 2.50287 au 
 T_jup = 3.261 
[ 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 16.18   n/a E2021B55  
diameter diameter 3.114 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216609 (2002 TU178)          Discovered 2002-Oct-12 by LINEAR at Socorro
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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