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193859 (2001 QZ128)
Classification: Main-belt Asteroid          SPK-ID: 2193859
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1589302798280143 3.5908e-08  
a 2.257343189906647 9.7279e-09 au
q 1.898583005066921 8.0171e-08 au
i 5.716741943880868 3.9447e-06 deg
node 212.5943482080478 3.6642e-05 deg
peri 201.23601218 3.8802e-05 deg
M 125.5627161130459 1.2552e-05 deg
tp 2458568.431093023250
(2019-Mar-25.93109302)
4.2134e-05 TDB
period 1238.781792292472
3.39
8.0077e-06
2.192e-08
d
yr
n .2906080814554023 1.8785e-09 deg/d
Q 2.616103374746372 1.1274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      541  
   data-arc span      7829 days (21.43 yr)  
   first obs. used      1998-11-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:58:17  

Additional Information
 Earth MOID = .91079 au 
 Jupiter MOID = 2.73567 au 
 T_jup = 3.599 
[ 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 MPO454347  

193859 (2001 QZ128)          Discovered 2001-Aug-20 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2001 QZ128 = 1998 WC11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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