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146587 (2001 TJ125)
Classification: Main-belt Asteroid          SPK-ID: 2146587
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1189923045302728 4.1454e-08  
a 2.73429130540533 1.9022e-08 au
q 2.408931681718062 1.1666e-07 au
i 7.887776465766859 4.2367e-06 deg
node 280.1091847332057 3.5909e-05 deg
peri 198.7891256323219 4.1886e-05 deg
M 322.5863691599386 2.2714e-05 deg
tp 2459172.129902223548
(2020-Nov-18.62990222)
0.00010506 TDB
period 1651.450645477526
4.52
1.7233e-05
4.718e-08
d
yr
n .2179901657890019 2.2747e-09 deg/d
Q 3.059650929092598 2.1285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      8008 days (21.92 yr)  
   first obs. used      1997-12-21  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:37:32  

Additional Information
 Earth MOID = 1.42666 au 
 Jupiter MOID = 2.05135 au 
 T_jup = 3.329 
[ 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 15.4   n/a MPO453931  
diameter diameter 4.854 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146587 (2001 TJ125)          Discovered 2001-Oct-12 by NEAT at Haleakala
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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