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109140 (2001 QK55)
Classification: Main-belt Asteroid          SPK-ID: 2109140
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405035124620985 3.7944e-08  
a 2.624114293730589 1.4998e-08 au
q 2.255417018359443 9.7764e-08 au
i 14.61304665780174 6.1116e-06 deg
node 347.6865779877217 1.5171e-05 deg
peri 56.25126695037711 3.0015e-05 deg
M 94.87599533866134 2.3256e-05 deg
tp 2458591.308699900661
(2019-Apr-17.80869990)
0.0001006 TDB
period 1552.646351797845
4.25
1.3311e-05
3.644e-08
d
yr
n .2318622006763792 1.9877e-09 deg/d
Q 2.992811569101736 1.7105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      701  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1999-03-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52149  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:01:13  

Additional Information
 Earth MOID = 1.29456 au 
 Jupiter MOID = 2.53098 au 
 T_jup = 3.344 
[ 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 MPO366459  

109140 (2001 QK55)          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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