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146572 (2001 TF68)
Classification: Main-belt Asteroid          SPK-ID: 2146572
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06595119446050217 5.5087e-08  
a 2.732501357222728 1.4773e-08 au
q 2.552289628848946 1.5282e-07 au
i 15.83795614334877 6.6914e-06 deg
node 44.15839633695648 1.6212e-05 deg
peri 14.42034914815337 4.8114e-05 deg
M 25.61082079563569 4.2968e-05 deg
tp 2458883.129216713023
(2020-Feb-03.62921671)		 0.00019697 TDB
period 1649.829278041422
4.52		 1.3379e-05
3.663e-08		 d
yr
n .2182043953222664 1.7695e-09 deg/d
Q 2.912713085596511 1.5747e-08 au
   Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      6708 days (18.37 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5556  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:09  

Additional Information
 Earth MOID = 1.56535 au 
 Jupiter MOID = 2.39106 au 
 T_jup = 3.296 
[ 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 14.7   n/a MPO401249  
diameter diameter 3.021 km 0.532 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.280   0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

146572 (2001 TF68)          Discovered 2001-Oct-13 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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