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JPL Small-Body Database Browser
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249858 (2001 QZ118)
Classification: Main-belt Asteroid          SPK-ID: 2249858
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 .0826323010070138 4.7588e-08  
a 2.730379678440008 2.0404e-08 au
q 2.504762122987719 1.342e-07 au
i 6.077144895169267 5.3104e-06 deg
node 246.7564271700771 5.2756e-05 deg
peri 62.80004006808152 6.4353e-05 deg
M 357.3842556553723 3.6406e-05 deg
tp 2458612.473628669690
(2019-May-08.97362867)
0.00016666 TDB
period 1647.908110722391
4.51
1.8472e-05
5.057e-08
d
yr
n .2184587827789665 2.4488e-09 deg/d
Q 2.955997233892296 2.209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1997-11-08  
   last obs. used      2019-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52504  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:47:42  

Additional Information
 Earth MOID = 1.49642 au 
 Jupiter MOID = 2.22811 au 
 T_jup = 3.341 
[ 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 15.9   n/a MPO440261  
diameter diameter 4.126 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249858 (2001 QZ118)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2001 QZ118 = 2001 SW352 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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