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452444 (2003 SQ111)
Classification: Main-belt Asteroid          SPK-ID: 2452444
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3640189075401506 4.8483e-07  
a 3.196882599092795 1.2588e-07 au
q 2.033156887836919 1.4735e-06 au
i 26.85757704779371 1.5377e-05 deg
node 21.3441781854117 2.9335e-05 deg
peri 52.1430397733339 0.00011033 deg
M 295.5959547498767 3.0221e-05 deg
tp 2459374.007308490680
(2021-Jun-08.50730849)
0.00017714 TDB
period 2087.797909811996
5.72
0.00012332
3.376e-07
d
yr
n .172430482044317 1.0185e-08 deg/d
Q 4.360608310348672 1.7171e-07 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      4635 days (12.69 yr)  
   first obs. used      2003-09-20  
   last obs. used      2016-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56407  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:21:50  

Additional Information
 Earth MOID = 1.13153 au 
 Jupiter MOID = 1.64089 au 
 T_jup = 2.930 
[ 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 16.1   n/a MPO382632  
diameter diameter 3.021 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

452444 (2003 SQ111)          Discovered 2003-Sep-20 by LINEAR at Socorro
Reference: Last Updated: 2016-01-04

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