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17155 (1999 KZ1)
Classification: Main-belt Asteroid          SPK-ID: 2017155
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08220043493058136 4.3599e-08  
a 3.023920021798863 1.8638e-08 au
q 2.775352480811703 1.415e-07 au
i 1.502774112386954 3.9196e-06 deg
node 100.5903933304515 0.00018889 deg
peri 237.6743669538934 0.0001917 deg
M 296.6471828243342 3.6019e-05 deg
tp 2459538.500473581864
(2021-Nov-20.00047358)
0.00019345 TDB
period 1920.674974122681
5.26
1.7757e-05
4.862e-08
d
yr
n .1874341077226976 1.7329e-09 deg/d
Q 3.272487562786022 2.017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1086  
   data-arc span      14971 days (40.99 yr)  
   first obs. used      1979-08-22  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57265  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:55:46  

Additional Information
 Earth MOID = 1.76458 au 
 Jupiter MOID = 2.03868 au 
 T_jup = 3.240 
[ 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 14.52   n/a E2021B10  

17155 (1999 KZ1)          Discovered 1999-May-16 by Spacewatch at Kitt Peak
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 KZ1 = 1979 QM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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