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447078 (2004 TF8)
Classification: Main-belt Asteroid          SPK-ID: 2447078
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663240768961434 4.6745e-08  
a 2.343473638634419 3.0311e-08 au
q 1.953697548958103 1.2207e-07 au
i 25.77737430908557 7.3629e-06 deg
node 189.3898130027584 1.3249e-05 deg
peri 310.9058652004861 3.3935e-05 deg
M 2.774807670619113 2.6137e-05 deg
tp 2458990.400057033963
(2020-May-20.90005703)
9.5171e-05 TDB
period 1310.353689112452
3.59
2.5423e-05
6.96e-08
d
yr
n .2747349841429762 5.3302e-09 deg/d
Q 2.733249728310735 3.5352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5617 days (15.38 yr)  
   first obs. used      2004-09-13  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:07:34  

Additional Information
 Earth MOID = 1.01747 au 
 Jupiter MOID = 2.36951 au 
 T_jup = 3.412 
[ 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 17.3   n/a MPO456117  
diameter diameter 1.797 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

447078 (2004 TF8)          Discovered 2004-Oct-04 by Young, J. W. at Wrightwood
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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