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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483901545131763 7.3757e-08  
a 3.098071904827222 3.0498e-08 au
q 2.63834853617698 2.2707e-07 au
i 4.828888009989148 7.9241e-06 deg
node 187.7890719659617 7.3099e-05 deg
peri 197.0400251502571 7.8037e-05 deg
M 51.19109145263747 2.2913e-05 deg
tp 2458717.277628208322
(2019-Aug-21.77762821)
0.00012697 TDB
period 1991.753857003396
5.45
2.9411e-05
8.052e-08
d
yr
n .1807452254876624 2.669e-09 deg/d
Q 3.557795273477464 3.5024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6371 days (17.44 yr)  
   first obs. used      2002-08-17  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:21:26  

Additional Information
 Earth MOID = 1.64253 au 
 Jupiter MOID = 1.89515 au 
 T_jup = 3.200 
[ 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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