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JPL Small-Body Database Browser
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109240 (2001 QD98)
Classification: Main-belt Asteroid          SPK-ID: 2109240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1949533378851301 4.9195e-08  
a 3.070371198103222 2.0429e-08 au
q 2.471792084486633 1.4712e-07 au
i 10.64593665021649 4.7788e-06 deg
node 158.594976517917 2.4758e-05 deg
peri 207.8225851728173 2.6808e-05 deg
M 64.87150966671057 1.1273e-05 deg
tp 2458246.391577914932
(2018-May-07.89157791)
6.0497e-05 TDB
period 1965.100436317447
5.38
1.9612e-05
5.369e-08
d
yr
n .1831967432029234 1.8284e-09 deg/d
Q 3.668950311719811 2.4412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      6701 days (18.35 yr)  
   first obs. used      2001-06-29  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57022  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:14:32  

Additional Information
 Earth MOID = 1.47419 au 
 Jupiter MOID = 1.79853 au 
 T_jup = 3.176 
[ 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 14.2   n/a MPO338038  

109240 (2001 QD98)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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