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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043027152084552 6.8895e-07  
a 3.193624389020156 2.1838e-07 au
q 2.541158254987395 2.3696e-06 au
i 27.00388756880225 1.6552e-05 deg
node 26.79718520531743 2.5953e-05 deg
peri 310.9114996988661 0.00019313 deg
M 267.3061230181441 8.632e-05 deg
tp 2459737.250833663944
(2022-Jun-06.75083366)
0.00045167 TDB
period 2084.606949354845
5.71
0.00021382
5.854e-07
d
yr
n .1726944257340285 1.7713e-08 deg/d
Q 3.846090523052919 2.6299e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:20:30  

Additional Information
 Earth MOID = 1.60289 au 
 Jupiter MOID = 1.83078 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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