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154957 (2004 TK125)
Classification: Main-belt Asteroid          SPK-ID: 2154957
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1107184825223017 3.1676e-08  
a 2.92595441526683 1.8198e-08 au
q 2.601997182479058 9.35e-08 au
i 2.816474078322428 4.6289e-06 deg
node 145.3676714383946 7.8311e-05 deg
peri 291.30641636653 8.3627e-05 deg
M 67.08913425716064 2.5623e-05 deg
tp 2459055.817796636060
(2020-Jul-25.31779664)
0.0001305 TDB
period 1828.099208150507
5.01
1.7055e-05
4.669e-08
d
yr
n .1969258552243524 1.8372e-09 deg/d
Q 3.249911648054602 2.0213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      9686 days (26.52 yr)  
   first obs. used      1994-09-29  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:52:41  

Additional Information
 Earth MOID = 1.61883 au 
 Jupiter MOID = 1.9789 au 
 T_jup = 3.267 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457501.5 (2016-Apr-23.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071523617287235 3.1484e-08  
q 2.613509490683175 9.2466e-08 au
tp 2457225.875754006833
(2015-Jul-22.37575401)
0.00014097 TDB
node 145.4589642040904 7.8187e-05 deg
peri 291.0694034462016 8.3973e-05 deg
i 2.816968454485453 4.6341e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      9686 days (26.52 yr)  
   first obs. used      1994-09-29  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:52:41  

Additional Information
 Jupiter MOID = 1.9789 au 
 T_jup = 3.267 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.912289346821446E-16 -2.86541289862072E-15 8.184354009710516E-14 -4.377295116707134E-15 1.830134895534823E-14 -2.369573734791256E-17
q -2.86541289862072E-15 8.549985207060264E-15 -8.658605303801947E-13 1.54233452280533E-14 -1.823798264734633E-13 2.081211688286392E-16
tp 8.184354009710516E-14 -8.658605303801947E-13 1.987347929360788E-8 -8.83918122913711E-11 4.334453454334805E-9 -1.218460811741388E-12
node -4.377295116707134E-15 1.54233452280533E-14 -8.83918122913711E-11 6.113207781650426E-9 -6.124211242866788E-9 6.149966832622169E-11
peri 1.830134895534823E-14 -1.823798264734633E-13 4.334453454334805E-9 -6.124211242866788E-9 7.051386213293296E-9 -6.167513625363027E-11
i -2.369573734791256E-17 2.081211688286392E-16 -1.218460811741388E-12 6.149966832622169E-11 -6.167513625363027E-11 2.14747090585194E-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 15.79   n/a MPCxxxxx  

154957 (2004 TK125)          Discovered 2004-Oct-07 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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