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JPL Small-Body Database Browser
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109540 (2001 QN252)
Classification: Main-belt Asteroid          SPK-ID: 2109540
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567810249652819 5.2326e-08  
a 3.077962158985888 2.6025e-08 au
q 2.595396096895729 1.6037e-07 au
i 2.712429844408999 6.6124e-06 deg
node 60.6353736393969 0.00011037 deg
peri 292.4680379750686 0.00011195 deg
M 78.85986944517762 1.9943e-05 deg
tp 2458168.437181665642
(2018-Feb-18.93718167)
0.00010756 TDB
period 1972.392494366228
5.40
2.5016e-05
6.849e-08
d
yr
n .1825194534192728 2.3149e-09 deg/d
Q 3.560528221076048 3.0105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      6823 days (18.68 yr)  
   first obs. used      2000-06-04  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5782  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:56:48  

Additional Information
 Earth MOID = 1.5909 au 
 Jupiter MOID = 1.87449 au 
 T_jup = 3.208 
[ 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 15.3   n/a MPO417562  
diameter diameter 4.656 km 0.804 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109540 (2001 QN252)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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