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173846 (2001 TX125)
Classification: Main-belt Asteroid          SPK-ID: 2173846
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1399276537873954 6.5305e-08  
a 2.849447475281308 1.8475e-08 au
q 2.450730975474777 1.8705e-07 au
i 8.178761507183149 5.5942e-06 deg
node 299.4324827099948 3.9838e-05 deg
peri 41.83819703322908 4.4858e-05 deg
M 348.448764692797 1.738e-05 deg
tp 2459056.872246304435
(2020-Jul-26.37224630)
8.475e-05 TDB
period 1756.869125239095
4.81
1.7086e-05
4.678e-08
d
yr
n .2049099701441945 1.9928e-09 deg/d
Q 3.248163975087839 2.106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      9715 days (26.60 yr)  
   first obs. used      1994-03-16  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:16:51  

Additional Information
 Earth MOID = 1.44875 au 
 Jupiter MOID = 2.14265 au 
 T_jup = 3.277 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457685.5 (2016-Oct-24.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141759527412354 6.5369e-08  
q 2.444459697747916 1.8788e-07 au
tp 2457303.392862024699
(2015-Oct-07.89286202)
8.7261e-05 TDB
node 299.5166859105132 3.9919e-05 deg
peri 42.38505561911133 4.4802e-05 deg
i 8.171553098017108 5.5896e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      9715 days (26.60 yr)  
   first obs. used      1994-03-16  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:16:51  

Additional Information
 Jupiter MOID = 2.14265 au 
 T_jup = 3.277 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.273154313203483E-15 -1.22381908747357E-14 1.850968269086742E-12 3.632352170633791E-14 4.450524227680368E-13 -9.890921780175099E-15
q -1.22381908747357E-14 3.530012318094394E-14 -5.75490387060558E-12 -1.002958648640242E-13 -1.367632100279663E-12 2.949200461809968E-14
tp 1.850968269086742E-12 -5.75490387060558E-12 7.614557675448883E-9 2.763042967640263E-11 1.81589826177006E-9 -5.315869909107615E-12
node 3.632352170633791E-14 -1.002958648640242E-13 2.763042967640263E-11 1.593497486543369E-9 -1.570099040297667E-9 1.183085759857606E-10
peri 4.450524227680368E-13 -1.367632100279663E-12 1.81589826177006E-9 -1.570099040297667E-9 2.007245515307478E-9 -1.184405545571492E-10
i -9.890921780175099E-15 2.949200461809968E-14 -5.315869909107615E-12 1.183085759857606E-10 -1.184405545571492E-10 3.124342082723396E-11

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 MPO436863  
diameter diameter 2.901 km 0.536 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.191   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173846 (2001 TX125)          Discovered 2001-Oct-12 by NEAT at Haleakala
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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