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249860 (2001 QL124)
Classification: Main-belt Asteroid          SPK-ID: 2249860
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1959948363641113 8.5475e-08  
a 2.632049391654262 2.1782e-08 au
q 2.116181301834726 2.2955e-07 au
i 12.07992364619658 9.6464e-06 deg
node 336.4883735799342 2.3953e-05 deg
peri 15.62403080322048 2.8046e-05 deg
M 31.44237139439539 1.3831e-05 deg
tp 2458464.276425650111
(2018-Dec-11.77642565)
5.9258e-05 TDB
period 1559.694278488852
4.27
1.9362e-05
5.301e-08
d
yr
n .2308144647095806 2.8653e-09 deg/d
Q 3.147917481473797 2.6052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      8681 days (23.77 yr)  
   first obs. used      1995-02-02  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58805  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:58:29  

Additional Information
 Earth MOID = 1.11146 au 
 Jupiter MOID = 2.28517 au 
 T_jup = 3.341 
[ 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 16.1   n/a MPO454853  
diameter diameter 2.860 km 0.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.072   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

249860 (2001 QL124)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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