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129489 (1994 TN5)
Classification: Main-belt Asteroid          SPK-ID: 2129489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03376975611284323 4.8458e-08  
a 2.805667436945957 1.9324e-08 au
q 2.710920731866546 1.3868e-07 au
i 3.899018599804919 5.5272e-06 deg
node 170.0699977697197 6.2731e-05 deg
peri .8894290812813285 9.3045e-05 deg
M 4.728346283269385 6.7562e-05 deg
tp 2458977.954519870715
(2020-May-08.45451987)
0.00032214 TDB
period 1716.535202859641
4.70
1.7734e-05
4.855e-08
d
yr
n .2097247987692081 2.1667e-09 deg/d
Q 2.900414142025368 1.9977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      9327 days (25.54 yr)  
   first obs. used      1994-10-04  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .538  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:44:48  

Additional Information
 Earth MOID = 1.71583 au 
 Jupiter MOID = 2.05941 au 
 T_jup = 3.319 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO469350  
rotation period rot_per 91.092 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

129489 (1994 TN5)          Discovered 1994-Oct-04 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1994 TN5 = 2006 BS96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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