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109225 (2001 QH89)
Classification: Main-belt Asteroid          SPK-ID: 2109225
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618891289752254 4.5872e-08  
a 2.423810114702565 1.3009e-08 au
q 1.789040594961769 1.1133e-07 au
i 9.807489932189135 5.6275e-06 deg
node 5.446898471744115 3.6792e-05 deg
peri 244.1829261203236 3.8638e-05 deg
M 36.83832641912493 1.4455e-05 deg
tp 2458859.459542476294
(2020-Jan-10.95954248)
5.4738e-05 TDB
period 1378.308127542246
3.77
1.1096e-05
3.038e-08
d
yr
n .2611897824631856 2.1028e-09 deg/d
Q 3.058579634443361 1.6416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      9510 days (26.04 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:21:50  

Additional Information
 Earth MOID = .801949 au 
 Jupiter MOID = 2.0688 au 
 T_jup = 3.445 
[ 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 15.8   n/a MPO266377  

109225 (2001 QH89)          Discovered 2001-Aug-16 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QH89 = 1993 FB74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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