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JPL Small-Body Database Browser
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173820 (2001 SJ328)
Classification: Main-belt Asteroid          SPK-ID: 2173820
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190727504131534 5.5641e-08  
a 2.759536973556866 2.7e-08 au
q 2.430951316248661 1.5689e-07 au
i 3.241195360834886 5.8913e-06 deg
node 315.5989335346748 0.00012299 deg
peri 6.376486297787677 0.00012599 deg
M 309.8715073285984 2.7873e-05 deg
tp 2458833.649719856956
(2019-Dec-16.14971986)
0.00013051 TDB
period 1674.375084419578
4.58
2.4574e-05
6.728e-08
d
yr
n .215005588263871 3.1555e-09 deg/d
Q 3.088122630865072 3.0215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      6112 days (16.73 yr)  
   first obs. used      2001-07-27  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62716  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 07:09:43  

Additional Information
 Earth MOID = 1.41748 au 
 Jupiter MOID = 2.19614 au 
 T_jup = 3.329 
[ 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 16.2   n/a MPO446073  
diameter diameter 3.098 km 0.932 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173820 (2001 SJ328)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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