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JPL Small-Body Database Browser
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469838 (2005 TR8)
Classification: Main-belt Asteroid          SPK-ID: 2469838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2036972590495586 6.8896e-07  
a 3.195144103516193 2.2146e-07 au
q 2.544302007361585 2.3733e-06 au
i 26.9954804830298 1.655e-05 deg
node 26.80666675020824 2.5965e-05 deg
peri 310.8793785822549 0.00019381 deg
M 163.7204190158122 9.673e-05 deg
tp 2457651.787880651798
(2016-Sep-20.28788065)
0.00065173 TDB
period 2086.095094420489
5.71
0.00021689
5.938e-07
d
yr
n .1725712317539422 1.7942e-08 deg/d
Q 3.845986199670801 2.6657e-07 au
  Orbit Determination Parameters
   # obs. used (total)      58  
   data-arc span      3995 days (10.94 yr)  
   first obs. used      2005-10-01  
   last obs. used      2016-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .566  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:31:20  

Additional Information
 Earth MOID = 1.60674 au 
 Jupiter MOID = 1.82626 au 
 T_jup = 2.996 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO392231  
diameter diameter 3.576 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469838 (2005 TR8)          Discovered 2005-Oct-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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