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249295 (2008 TS122)
Classification: Main-belt Asteroid          SPK-ID: 2249295
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480237501341482 7.4257e-08  
a 3.09682702301689 3.0765e-08 au
q 2.63842307355316 2.2896e-07 au
i 4.829583833629327 8.0853e-06 deg
node 187.7966031984613 7.3608e-05 deg
peri 197.0251322505214 7.8556e-05 deg
M 338.8885952926152 2.3146e-05 deg
tp 2458717.231611045615
(2019-Aug-21.73161105)
0.00012789 TDB
period 1990.553473768683
5.45
2.9662e-05
8.121e-08
d
yr
n .1808542220764448 2.695e-09 deg/d
Q 3.55523097248062 3.5319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      6292 days (17.23 yr)  
   first obs. used      2002-08-17  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57649  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:47:07  

Additional Information
 Earth MOID = 1.64187 au 
 Jupiter MOID = 1.89506 au 
 T_jup = 3.201 
[ 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 15.9   n/a MPO454847  
diameter diameter 4.272 km 1.651 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249295 (2008 TS122)          Discovered 2008-Oct-07 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 TS122 = 2005 EC294 = 2005 FR13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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