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259448 (2003 SQ54)
Classification: Main-belt Asteroid          SPK-ID: 2259448
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262572353292457 4.3533e-08  
a 3.183319221180859 2.8039e-08 au
q 2.781402137144116 1.4771e-07 au
i 5.522923273429156 4.4164e-06 deg
node 256.7793374105681 5.7385e-05 deg
peri 152.5519546885251 6.287e-05 deg
M 295.5817474176387 2.2463e-05 deg
tp 2459371.714689357666
(2021-Jun-06.21468936)		 0.00012914 TDB
period 2074.525197620025
5.68		 2.7409e-05
7.504e-08		 d
yr
n .1735336839547699 2.2927e-09 deg/d
Q 3.585236305217602 3.1579e-08 au
   Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      6291 days (17.22 yr)  
   first obs. used      2003-08-21  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:50:29  

Additional Information
 Earth MOID = 1.79343 au 
 Jupiter MOID = 1.77962 au 
 T_jup = 3.179 
[ 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 15.1   n/a MPO440289  
diameter diameter 5.407 km 0.558 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

259448 (2003 SQ54)          Discovered 2003-Sep-16 by LONEOS at Anderson Mesa
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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