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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020113720244894 3.1056e-08  
a 2.392394603543276 6.9961e-09 au
q 1.909103687257514 7.2761e-08 au
i 3.075462901956387 3.0337e-06 deg
node 115.1885890326139 7.2214e-05 deg
peri 235.1971737905791 7.2744e-05 deg
M 59.21176510978982 9.5749e-06 deg
tp 2458978.192991324827
(2020-May-08.69299132)
3.5592e-05 TDB
period 1351.598334801718
3.70
5.9287e-06
1.623e-08
d
yr
n .2663513195677417 1.1683e-09 deg/d
Q 2.875685519829037 8.4093e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1383  
   data-arc span      11137 days (30.49 yr)  
   first obs. used      1990-08-16  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:44:05  

Additional Information
 Earth MOID = .903269 au 
 Jupiter MOID = 2.55372 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 15.43   n/a E2021B10  

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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