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441557 (2008 TO138)
Classification: Main-belt Asteroid          SPK-ID: 2441557
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09467955681094603 5.4152e-08  
a 2.484432116384245 2.4717e-08 au
q 2.249207184678105 1.3203e-07 au
i 8.361717215340992 6.078e-06 deg
node 231.4480143783971 3.7558e-05 deg
peri 4.544270336613715 4.9875e-05 deg
M 186.7047780719979 3.6638e-05 deg
tp 2459889.030553498569
(2022-Nov-05.53055350)
0.00014853 TDB
period 1430.339489466514
3.92
2.1345e-05
5.844e-08
d
yr
n .2516884995842995 3.756e-09 deg/d
Q 2.719657048090386 2.7058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      8853 days (24.24 yr)  
   first obs. used      1996-10-08  
   last obs. used      2021-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 17:42:55  

Additional Information
 Earth MOID = 1.23643 au 
 Jupiter MOID = 2.27654 au 
 T_jup = 3.456 
[ 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 16.7   n/a MPO434638  

441557 (2008 TO138)          Discovered 2008-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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