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146578 (2001 TX87)
Classification: Main-belt Asteroid          SPK-ID: 2146578
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 .08237480507282866 5.8988e-08  
a 2.73155772802837 1.8064e-08 au
q 2.506546192636855 1.5837e-07 au
i 4.208486816887366 4.8965e-06 deg
node 275.7553813624263 8.3904e-05 deg
peri 74.11891522415762 9.0755e-05 deg
M 71.01004574516945 3.1137e-05 deg
tp 2458675.239523911554
(2019-Jul-10.73952391)
0.00014302 TDB
period 1648.974735378282
4.51
1.6357e-05
4.478e-08
d
yr
n .2183174746564049 2.1656e-09 deg/d
Q 2.956569263419886 1.9552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      9414 days (25.77 yr)  
   first obs. used      1994-01-19  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50909  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:05:41  

Additional Information
 Earth MOID = 1.50411 au 
 Jupiter MOID = 2.38355 au 
 T_jup = 3.345 
[ 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 16.2   n/a MPO493834  
diameter diameter 3.014 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146578 (2001 TX87)          Discovered 2001-Oct-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 TX87 = 1999 FV85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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