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JPL Small-Body Database Browser
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26809 (1984 QU)
Classification: Main-belt Asteroid          SPK-ID: 2026809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2492978969491944 4.708e-08  
a 2.27703006211118 9.6371e-09 au
q 1.709371256336769 1.0546e-07 au
i 5.205139240197773 4.8178e-06 deg
node 352.27271974 3.6314e-05 deg
peri 27.16790155931397 3.7613e-05 deg
M 119.9417230492331 7.7738e-06 deg
tp 2458582.362271025189
(2019-Apr-08.86227103)
2.6382e-05 TDB
period 1255.022677714438
3.44
7.9675e-06
2.181e-08
d
yr
n .2868474063397863 1.821e-09 deg/d
Q 2.844688867885591 1.204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      12945 days (35.44 yr)  
   first obs. used      1984-08-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56751  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:51:49  

Additional Information
 Earth MOID = .713296 au 
 Jupiter MOID = 2.62851 au 
 T_jup = 3.561 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO347722  

26809 (1984 QU)          Discovered 1984-Aug-24 by Oak Ridge Observatory at Harvard
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1984 QU = 1991 RV26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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