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78721 (2002 TU219)
Classification: Main-belt Asteroid          SPK-ID: 2078721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08374676210378783 3.6071e-08  
a 3.028011973554408 1.933e-08 au
q 2.774425775157726 1.0663e-07 au
i 8.455455114702344 4.9401e-06 deg
node 324.5521144196106 2.4958e-05 deg
peri 95.09078173624707 3.9675e-05 deg
M 165.1196325938405 3.0331e-05 deg
tp 2458513.763627122549
(2019-Jan-30.26362712)
0.00016114 TDB
period 1924.574862745527
5.27
1.8429e-05
5.046e-08
d
yr
n .1870542980523176 1.7911e-09 deg/d
Q 3.28159817195109 2.0949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-05-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54978  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:06:52  

Additional Information
 Earth MOID = 1.80306 au 
 Jupiter MOID = 1.98794 au 
 T_jup = 3.222 
[ 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 14.74   n/a E2021B10  
diameter diameter 4.781 km 1.603 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78721 (2002 TU219)          Discovered 2002-Oct-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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