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JPL Small-Body Database Browser
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109594 (2001 QD281)
Classification: Main-belt Asteroid          SPK-ID: 2109594
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05152034144771431 5.0513e-08  
a 2.96530729515249 2.9051e-08 au
q 2.812533650808835 1.5454e-07 au
i 12.79771139458163 6.7574e-06 deg
node 75.56344187220088 2.331e-05 deg
peri 291.4538676865728 6.5125e-05 deg
M 143.5805561610192 6.0937e-05 deg
tp 2457856.631589064036
(2017-Apr-13.13158906)
0.00031484 TDB
period 1865.103709701679
5.11
2.7409e-05
7.504e-08
d
yr
n .1930187571486743 2.8365e-09 deg/d
Q 3.118080939496145 3.0548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   data-arc span      6437 days (17.62 yr)  
   first obs. used      2001-08-19  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59838  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:54:29  

Additional Information
 Earth MOID = 1.84353 au 
 Jupiter MOID = 2.16637 au 
 T_jup = 3.225 
[ 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 14.8   n/a MPO436526  

109594 (2001 QD281)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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