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JPL Small-Body Database Browser
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249297 (2008 TL169)
Classification: Main-belt Asteroid          SPK-ID: 2249297
[ 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 .1498100439562652 1.2307e-07  
a 3.105525265222329 5.8937e-08 au
q 2.64028638873208 3.6326e-07 au
i 16.17530374281059 7.0278e-06 deg
node 275.2478264230448 3.4125e-05 deg
peri 250.2072671106976 5.0594e-05 deg
M 277.6838089262297 3.8165e-05 deg
tp 2459057.571132251699
(2020-Jul-27.07113225)		 0.00022137 TDB
period 1998.94583877367
5.47		 5.6904e-05
1.558e-07		 d
yr
n .1800949245432561 5.1268e-09 deg/d
Q 3.570764141712579 6.7766e-08 au
   Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      5429 days (14.86 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:39:48  

Additional Information
 Earth MOID = 1.70191 au 
 Jupiter MOID = 1.77538 au 
 T_jup = 3.143 
[ 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 15.6   n/a MPO281360  
diameter diameter 5.155 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249297 (2008 TL169)          Discovered 2008-Oct-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 TL169 = 2004 EA57 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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