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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1664298331245797 7.0707e-08  
a 2.343297326760108 4.0012e-08 au
q 1.95330274370615 1.594e-07 au
i 25.77929590003028 1.3333e-05 deg
node 189.3981549925691 1.3505e-05 deg
peri 310.9570540123076 3.9256e-05 deg
M 252.8341101241982 3.618e-05 deg
tp 2458990.526033471448
(2020-May-21.02603347)
0.00013495 TDB
period 1310.205814671501
3.59
3.3558e-05
9.188e-08
d
yr
n .2747659917005179 7.0374e-09 deg/d
Q 2.733291909814067 4.6671e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5526 days (15.13 yr)  
   first obs. used      2004-09-13  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55232  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:20:19  

Additional Information
 Earth MOID = 1.01741 au 
 Jupiter MOID = 2.37069 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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