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JPL Small-Body Database Browser
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393428 (2001 SX123)
Classification: Main-belt Asteroid          SPK-ID: 2393428
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2091711815591603 8.1517e-08  
a 2.774825882721859 3.267e-08 au
q 2.194412274211988 2.2275e-07 au
i 7.375500490054161 1.052e-05 deg
node 321.0429051392348 7.9868e-05 deg
peri 350.0702632608762 8.5428e-05 deg
M 41.04779008966361 3.5117e-05 deg
tp 2458807.996197681483
(2019-Nov-20.49619768)
0.00016249 TDB
period 1688.309375079298
4.62
2.9816e-05
8.163e-08
d
yr
n .2132310613883141 3.7658e-09 deg/d
Q 3.355239491231729 3.9503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      6052 days (16.57 yr)  
   first obs. used      2001-08-23  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60079  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:45:59  

Additional Information
 Earth MOID = 1.18064 au 
 Jupiter MOID = 1.9376 au 
 T_jup = 3.292 
[ 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 16.5   n/a MPO437611  
diameter diameter 3.258 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

393428 (2001 SX123)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1943-May-14 22:25 00:04 Jupiter 1.92451505970095 1.92451431977699 1.92451579962469 2.52137549161004 2.34031818945503 2430859.433791542 3.57701313988314 274.892665063646 28.0338958329623 -86.641912906963 1404119.71891329 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 11:46:02 2018-Dec-18 02:42
2026-Nov-03 18:23 < 00:01 Jupiter 1.96418129102109 1.964180481531 1.96418210051375 2.62191972908145 2.45193684480511 2461348.265754126 0.652918386740447 301.066993731314 24.7082330468371 -84.2551976960838 1262875.95231794 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 11:46:02 2018-Dec-18 02:42
2049-Jul-01 10:03 00:02 Jupiter 1.95590353569729 1.95590271248268 1.95590435891467 2.48711548326242 2.30643112200488 2469623.918914111 1.73942432713586 192.639399285948 18.6443711861339 -79.0247574471286 1623740.718772 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 11:46:02 2018-Dec-18 02:42
2132-Dec-24 11:59 00:06 Jupiter 1.92882924443614 1.92882856197106 1.92882992691338 2.54279194698254 2.36379241379997 2500114.999291834 5.73865795240975 399.775190058915 19.1424548481859 -85.4232273580801 1458065.45460241 T 12 CATAB v2.0e-lin.ifort 2018-Oct-04 11:46:02 2018-Dec-18 02:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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