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JPL Small-Body Database Browser
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17450 (1990 QO4)
Classification: Main-belt Asteroid          SPK-ID: 2017450
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0798314204232571 5.058e-08  
a 2.997147577513786 2.1501e-08 au
q 2.757881029182736 1.5581e-07 au
i 9.630547228320925 6.6646e-06 deg
node 353.6898344447945 2.5709e-05 deg
peri 309.0731976957318 4.5071e-05 deg
M 218.5277714061264 3.7855e-05 deg
tp 2459345.282241496264
(2021-May-10.78224150)		 0.00019963 TDB
period 1895.224310831744
5.19		 2.0394e-05
5.584e-08		 d
yr
n .1899511302923343 2.044e-09 deg/d
Q 3.236414125844835 2.3218e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1318  
   data-arc span      10485 days (28.71 yr)  
   first obs. used      1990-08-23  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:31:07  

Additional Information
 Earth MOID = 1.7548 au 
 Jupiter MOID = 2.04426 au 
 T_jup = 3.228 
[ 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 13.4   n/a MPO384904  

17450 (1990 QO4)          Discovered 1990-Aug-23 by Holt, H. E. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QO4 = 1998 CY1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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