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109289 (2001 QB123)
Classification: Main-belt Asteroid          SPK-ID: 2109289
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04927160352735691 4.911e-08  
a 2.966208758079695 2.3096e-08 au
q 2.820058896172218 1.5128e-07 au
i 10.04123249389349 4.6256e-06 deg
node 119.8244678453467 3.5887e-05 deg
peri 140.9284941771493 7.7888e-05 deg
M 304.5108535053221 7.1126e-05 deg
tp 2459288.111694093633
(2021-Mar-14.61169409)
0.00036904 TDB
period 1865.95427060026
5.11
2.1794e-05
5.967e-08
d
yr
n .1929307731020607 2.2534e-09 deg/d
Q 3.112358619987171 2.4234e-08 au
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      9102 days (24.92 yr)  
   first obs. used      1995-06-25  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:56  

Additional Information
 Earth MOID = 1.81157 au 
 Jupiter MOID = 1.99627 au 
 T_jup = 3.239 
[ 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 15.2   n/a MPO280506  
diameter diameter 2.931 km 0.953 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109289 (2001 QB123)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 2001 QB123 = 1995 MD3 = 2004 CT17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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