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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770437628150819 2.1688e-08  
a 2.233180426833715 6.5961e-09 au
q 1.837809761022084 4.9702e-08 au
i 6.11631095535399 9.1955e-07 deg
node 88.71528610465748 6.3731e-06 deg
peri 305.98078335112 7.2573e-06 deg
M 75.39099292235572 6.5794e-06 deg
tp 2458945.229218270633
(2020-Apr-05.72921827)
2.1847e-05 TDB
period 1218.945100208669
3.34
5.4005e-06
1.479e-08
d
yr
n .2953373371273014 1.3085e-09 deg/d
Q 2.628551092645347 7.7639e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2116  
   data-arc span      11579 days (31.70 yr)  
   first obs. used      1989-07-02  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:14:19  

Additional Information
 Earth MOID = .851745 au 
 Jupiter MOID = 2.79883 au 
 T_jup = 3.612 
[ 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 13.9   n/a MPO384927  
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

[ show close-approach data ]
Alternate Designations
 1996 TO10 = 1989 NQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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