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JPL Small-Body Database Browser
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109109 (2001 QU38)
Classification: Main-belt Asteroid          SPK-ID: 2109109
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104976956417282 4.0629e-08  
a 2.721145247705311 1.5897e-08 au
q 2.420464968327435 1.1526e-07 au
i 9.99851447807313 4.6413e-06 deg
node 136.0686948887112 2.1981e-05 deg
peri 232.8961760556756 2.9854e-05 deg
M 288.4228612987826 2.0014e-05 deg
tp 2458926.485171669107
(2020-Mar-17.98517167)
9.1323e-05 TDB
period 1639.555086027525
4.49
1.4368e-05
3.934e-08
d
yr
n .2195717625275057 1.9242e-09 deg/d
Q 3.021825527083188 1.7654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      8538 days (23.38 yr)  
   first obs. used      1996-06-17  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55741  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:13:25  

Additional Information
 Earth MOID = 1.43189 au 
 Jupiter MOID = 2.44379 au 
 T_jup = 3.328 
[ 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 15.4   n/a MPO432615  

109109 (2001 QU38)          Discovered 2001-Aug-16 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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