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100128 (1993 QK8)
Classification: Main-belt Asteroid          SPK-ID: 2100128
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303800366321801 4.2031e-08  
a 2.653982329194672 1.4565e-08 au
q 2.307956015893112 1.0915e-07 au
i 3.423461919210902 5.8716e-06 deg
node 346.620203365622 7.2639e-05 deg
peri 309.9363687300358 7.6446e-05 deg
M 151.2922459093843 2.2837e-05 deg
tp 2458536.818615388274
(2019-Feb-22.31861539)
9.9977e-05 TDB
period 1579.230297125237
4.32
1.3e-05
3.559e-08
d
yr
n .2279591524145203 1.8765e-09 deg/d
Q 3.000008642496232 1.6464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      10007 days (27.40 yr)  
   first obs. used      1993-08-15  
   last obs. used      2021-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:24:31  

Additional Information
 Earth MOID = 1.29201 au 
 Jupiter MOID = 2.19536 au 
 T_jup = 3.374 
[ 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 15.7   n/a MPO432530  

100128 (1993 QK8)          Discovered 1993-Aug-20 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1993 QK8 = 2002 TN264 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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