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JPL Small-Body Database Browser
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233750 (2008 TM4)
Classification: Main-belt Asteroid          SPK-ID: 2233750
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537152528290717 4.997e-08  
a 2.764475375528791 2.2891e-08 au
q 2.33953334423964 1.3918e-07 au
i 3.650706538029461 7.6701e-06 deg
node 192.9641104339247 9.4228e-05 deg
peri 230.4909527387838 9.8025e-05 deg
M 68.37426675766943 2.6176e-05 deg
tp 2458281.634379560497
(2018-Jun-12.13437956)		 0.00012093 TDB
period 1678.871727649568
4.60		 2.0852e-05
5.709e-08		 d
yr
n .2144297232904162 2.6633e-09 deg/d
Q 3.189417406817942 2.6409e-08 au
   Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      8931 days (24.45 yr)  
   first obs. used      1994-09-11  
   last obs. used      2019-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63373  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:13:53  

Additional Information
 Earth MOID = 1.35438 au 
 Jupiter MOID = 2.13286 au 
 T_jup = 3.320 
[ 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 16.5   n/a MPO427344  
diameter diameter 3.225 km 0.323 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233750 (2008 TM4)          Discovered 2008-Oct-01 by La Sagra at La Sagra
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 TM4 = 2004 XQ95 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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