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109072 (2001 QN23)
Classification: Main-belt Asteroid          SPK-ID: 2109072
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1876888799796276 6.9366e-08  
a 2.393960249506526 1.0441e-08 au
q 1.944640531560896 1.6633e-07 au
i 24.66306131485123 8.3509e-06 deg
node .393433779007098 9.2204e-06 deg
peri 18.38225097010709 1.6869e-05 deg
M 13.16165748334838 1.401e-05 deg
tp 2458951.036833755393
(2020-Apr-11.53683376)
5.2482e-05 TDB
period 1352.925334106816
3.70
8.8508e-06
2.423e-08
d
yr
n .2660900723229249 1.7407e-09 deg/d
Q 2.843279967452156 1.24e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1654  
   data-arc span      7617 days (20.85 yr)  
   first obs. used      1999-02-11  
   last obs. used      2019-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4331  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:18:50  

Additional Information
 Earth MOID = .952411 au 
 Jupiter MOID = 2.64455 au 
 T_jup = 3.384 
[ 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 13.7   n/a MPO296845  
diameter diameter 4.231 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.393   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109072 (2001 QN23)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QN23 = 1999 CS15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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