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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0393783673120988 5.5973e-08  
a 3.16509458413419 3.0128e-08 au
q 3.04045832702262 1.8767e-07 au
i 8.944767916128637 6.3577e-06 deg
node 211.8393223787379 3.126e-05 deg
peri 320.2920445518848 7.6958e-05 deg
M 217.6254203308458 7.042e-05 deg
tp 2459413.907963980446
(2021-Jul-18.40796398)
0.00040418 TDB
period 2056.735603458305
5.63
2.9367e-05
8.04e-08
d
yr
n .1750346517047095 2.4992e-09 deg/d
Q 3.289730841245761 3.1315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      8925 days (24.44 yr)  
   first obs. used      1995-06-28  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56548  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:06:04  

Additional Information
 Earth MOID = 2.04951 au 
 Jupiter MOID = 1.69758 au 
 T_jup = 3.184 
[ 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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