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20154 (1996 TO10)
Classification: Main-belt Asteroid          SPK-ID: 2020154
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1771580087565495 2.1191e-08  
a 2.233017885935523 6.5057e-09 au
q 1.837420883745426 4.8413e-08 au
i 6.116153228599529 9.1787e-07 deg
node 88.71121117476051 6.3622e-06 deg
peri 305.9687492617766 7.2506e-06 deg
M 133.2863115347982 6.5585e-06 deg
tp 2458945.247336413306
(2020-Apr-05.74733641)
2.146e-05 TDB
period 1218.812022184268
3.34
5.3263e-06
1.458e-08
d
yr
n .2953695840272675 1.2908e-09 deg/d
Q 2.62861488812562 7.6582e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2271  
   data-arc span      11686 days (31.99 yr)  
   first obs. used      1989-07-02  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:56:57  

Additional Information
 Earth MOID = .851786 au 
 Jupiter MOID = 2.7999 au 
 T_jup = 3.612 
[ 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 13.99   n/a MPCxxxxx  
rotation period rot_per 7.091 h n/a LCDB (Rev. 2020-October); 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

20154 (1996 TO10)          Discovered 1996-Oct-09 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 TO10 = 1989 NQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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