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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08181881820700004 4.8303e-08  
a 3.0227516594607 2.1977e-08 au
q 2.775433690950377 1.5086e-07 au
i 1.502760975253633 4.8743e-06 deg
node 100.5902713689258 0.00021216 deg
peri 238.0888412245912 0.00021472 deg
M 183.6663390464394 3.6431e-05 deg
tp 2459540.731620625721
(2021-Nov-22.23162063)
0.00019883 TDB
period 1919.561934997781
5.26
2.0934e-05
5.731e-08
d
yr
n .1875427895481872 2.0453e-09 deg/d
Q 3.270069627971023 2.3775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      880  
   data-arc span      14466 days (39.61 yr)  
   first obs. used      1979-08-22  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60827  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:15:25  

Additional Information
 Earth MOID = 1.76573 au 
 Jupiter MOID = 2.04103 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 14.5   n/a MPO296275  

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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