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JPL Small-Body Database Browser
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52289 (1990 QH9)
Classification: Main-belt Asteroid          SPK-ID: 2052289
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 .2026196275319026 4.4009e-08  
a 2.392721467813392 9.2321e-09 au
q 1.907909135217455 1.0615e-07 au
i 3.074602978269643 3.8619e-06 deg
node 115.1997171934419 9.0279e-05 deg
peri 235.1779856600493 9.0631e-05 deg
M 259.4626511490492 9.9768e-06 deg
tp 2458978.038785249725
(2020-May-08.53878525)
3.8463e-05 TDB
period 1351.875340291667
3.70
7.8242e-06
2.142e-08
d
yr
n .2662967429543689 1.5412e-09 deg/d
Q 2.877533800409329 1.1103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      982  
   data-arc span      10495 days (28.73 yr)  
   first obs. used      1990-08-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55915  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:46:53  

Additional Information
 Earth MOID = .902926 au 
 Jupiter MOID = 2.54778 au 
 T_jup = 3.501 
[ 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 15.3   n/a MPO436150  

52289 (1990 QH9)          Discovered 1990-Aug-16 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QH9 = 2000 FX33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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