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154954 (2004 TN118)
Classification: Main-belt Asteroid          SPK-ID: 2154954
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03643038916282658 6.7958e-08  
a 3.099114323195467 3.0483e-08 au
q 2.986212382341367 2.174e-07 au
i 16.36531800056772 7.4682e-06 deg
node 356.7568741033172 1.6323e-05 deg
peri 136.9771396500951 7.8717e-05 deg
M 196.0811401619781 7.8485e-05 deg
tp 2459907.863377512530
(2022-Nov-24.36337751)
0.00043934 TDB
period 1992.759199443519
5.46
2.9401e-05
8.05e-08
d
yr
n .1806540399364512 2.6654e-09 deg/d
Q 3.212016264049568 3.1594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      9893 days (27.09 yr)  
   first obs. used      1993-09-18  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59323  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:14:26  

Additional Information
 Earth MOID = 2.01086 au 
 Jupiter MOID = 1.783 au 
 T_jup = 3.159 
[ 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 14.8   n/a MPO348351  

154954 (2004 TN118)          Discovered 2004-Oct-05 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 TN118 = 2001 DM50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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