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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08206487294108591 4.4653e-08  
a 3.022664863713444 1.9401e-08 au
q 2.774610255729315 1.4353e-07 au
i 1.502774985035535 4.1405e-06 deg
node 100.5899523695624 0.00020008 deg
peri 237.9536604843666 0.00020274 deg
M 258.8565592497167 3.611e-05 deg
tp 2459539.785379369598
(2021-Nov-21.28537937)
0.00019476 TDB
period 1919.479257704721
5.26
1.848e-05
5.06e-08
d
yr
n .1875508675360637 1.8056e-09 deg/d
Q 3.270719471697572 2.0993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      962  
   data-arc span      14860 days (40.68 yr)  
   first obs. used      1979-08-22  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:32:30  

Additional Information
 Earth MOID = 1.76579 au 
 Jupiter MOID = 2.04191 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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