Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-29 05:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin