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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139927660833946 6.4291e-08  
a 2.849447473173333 1.8142e-08 au
q 2.45073095358299 1.8362e-07 au
i 8.178761757828427 5.2903e-06 deg
node 299.4324831590206 3.9731e-05 deg
peri 41.83819674697322 4.4779e-05 deg
M 348.4487652744608 1.7351e-05 deg
tp 2459056.872243403249
(2020-Jul-26.37224340)
8.4599e-05 TDB
period 1756.86912328954
4.81
1.6779e-05
4.594e-08
d
yr
n .2049099703715781 1.957e-09 deg/d
Q 3.248163992763675 2.0681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      9742 days (26.67 yr)  
   first obs. used      1994-03-16  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53416  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:20  

Additional Information
 Earth MOID = 1.44875 au 
 Jupiter MOID = 2.14265 au 
 T_jup = 3.277 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457805.5 (2017-Feb-21.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417430843482108 6.4342e-08  
q 2.444287494323532 1.8438e-07 au
tp 2457303.253496683267
(2015-Oct-07.75349668)
8.7275e-05 TDB
node 299.5154093203143 3.981e-05 deg
peri 42.34953814312389 4.4726e-05 deg
i 8.171868621002341 5.286e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      9742 days (26.67 yr)  
   first obs. used      1994-03-16  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53416  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:20  

Additional Information
 Jupiter MOID = 2.14265 au 
 T_jup = 3.277 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.139875624407782E-15 -1.182100246576969E-14 1.875023826891524E-12 3.285075308301783E-14 4.470465509083676E-13 -1.130906535445735E-14
q -1.182100246576969E-14 3.39953888302493E-14 -5.826842756555725E-12 -8.991988324494679E-14 -1.372638491309555E-12 3.354061959487489E-14
tp 1.875023826891524E-12 -5.826842756555725E-12 7.616901683403953E-9 2.547650022742313E-11 1.820179113257335E-9 -6.900749970147489E-12
node 3.285075308301783E-14 -8.991988324494679E-14 2.547650022742313E-11 1.584860397179727E-9 -1.56213758073737E-9 1.130127159045698E-10
peri 4.470465509083676E-13 -1.372638491309555E-12 1.820179113257335E-9 -1.56213758073737E-9 2.000454713524963E-9 -1.135909498875194E-10
i -1.130906535445735E-14 3.354061959487489E-14 -6.900749970147489E-12 1.130127159045698E-10 -1.135909498875194E-10 2.794203305562221E-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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