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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2588463735119764 3.0258e-08  
a 2.724805959085626 1.2407e-08 au
q 2.019499818052489 8.1947e-08 au
i 17.88028173972501 3.4388e-06 deg
node 175.2497323059059 1.2283e-05 deg
peri 212.6402809470435 1.4161e-05 deg
M 56.77409521411899 6.4709e-06 deg
tp 2458741.410675632524
(2019-Sep-14.91067563)		 2.9575e-05 TDB
period 1642.864697720378
4.50		 1.1221e-05
3.072e-08		 d
yr
n .2191294270913073 1.4967e-09 deg/d
Q 3.430112100118763 1.5619e-08 au
   Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1996-10-14  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49885  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:28:52  

Additional Information
 Earth MOID = 1.04145 au 
 Jupiter MOID = 2.09138 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 15.0   n/a MPO502756  
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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