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JPL Small-Body Database Browser
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109605 (2001 QL284)
Classification: Main-belt Asteroid          SPK-ID: 2109605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2586172050770508 3.0438e-08  
a 2.724117201461394 1.2826e-08 au
q 2.019613624517131 8.2645e-08 au
i 17.88105637994674 3.7345e-06 deg
node 175.2568308239171 1.2475e-05 deg
peri 212.6317557870425 1.4438e-05 deg
M 329.1135667872 7.0352e-06 deg
tp 2458741.397201594166
(2019-Sep-14.89720159)
3.2129e-05 TDB
period 1642.241829104404
4.50
1.1599e-05
3.176e-08
d
yr
n .2192125383849989 1.5482e-09 deg/d
Q 3.428620778405657 1.6143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      8445 days (23.12 yr)  
   first obs. used      1996-10-14  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:16:42  

Additional Information
 Earth MOID = 1.04079 au 
 Jupiter MOID = 2.0896 au 
 T_jup = 3.240 
[ 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 14.9   n/a MPO453556  
diameter diameter 3.198 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.173   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

109605 (2001 QL284)          Discovered 2001-Aug-18 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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