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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535829979691279 4.9991e-08  
a 2.764049789842245 2.23e-08 au
q 2.339538736582335 1.3915e-07 au
i 3.650871079622056 7.3852e-06 deg
node 192.9616412600067 8.7048e-05 deg
peri 230.3970249821066 9.0414e-05 deg
M 154.2822823227353 2.5087e-05 deg
tp 2458281.165692542652
(2018-Jun-11.66569254)		 0.00011339 TDB
period 1678.484053943014
4.60		 2.0313e-05
5.561e-08		 d
yr
n .2144792493883426 2.5956e-09 deg/d
Q 3.188560843102155 2.5725e-08 au
   Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      9360 days (25.63 yr)  
   first obs. used      1994-09-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:13:18  

Additional Information
 Earth MOID = 1.35468 au 
 Jupiter MOID = 2.13408 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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