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109497 (2001 QL230)
Classification: Main-belt Asteroid          SPK-ID: 2109497
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03907238996429162 5.4438e-08  
a 3.166022226805795 2.9649e-08 au
q 3.042318171724424 1.8435e-07 au
i 8.942803785238054 6.0878e-06 deg
node 211.8319496816886 2.9932e-05 deg
peri 319.9832721901501 7.7094e-05 deg
M 287.9151186337707 7.1201e-05 deg
tp 2459412.513127192572
(2021-Jul-17.01312719)
0.00040792 TDB
period 2057.63986814042
5.63
2.8904e-05
7.913e-08
d
yr
n .1749577297631523 2.4577e-09 deg/d
Q 3.289726281887166 3.0808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      8973 days (24.57 yr)  
   first obs. used      1995-06-28  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56582  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:26:59  

Additional Information
 Earth MOID = 2.05109 au 
 Jupiter MOID = 1.69671 au 
 T_jup = 3.183 
[ 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 14.8   n/a MPO453555  
diameter diameter 6.231 km 0.320 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109497 (2001 QL230)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QL230 = 2004 AQ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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