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 ]  
56990 (2000 SZ242)
Classification: Main-belt Asteroid          SPK-ID: 2056990
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03579654893802786 4.685e-08  
a 2.916507631347249 2.4824e-08 au
q 2.812106723193595 1.4173e-07 au
i 7.296375359881352 6.4526e-06 deg
node 44.40066050553338 6.0053e-05 deg
peri 209.8109037930287 0.0001645 deg
M 75.53256280651404 0.00015541 deg
tp 2458618.797660059996
(2019-May-15.29766006)
0.00078554 TDB
period 1819.253011848697
4.98
2.3227e-05
6.359e-08
d
yr
n .1978834156960793 2.5264e-09 deg/d
Q 3.020908539500903 2.5712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      7796 days (21.34 yr)  
   first obs. used      1998-02-25  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:26:38  

Additional Information
 Earth MOID = 1.80068 au 
 Jupiter MOID = 1.97532 au 
 T_jup = 3.268 
[ 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 14.2   n/a MPO359132  
diameter diameter 4.163 km 0.509 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56990 (2000 SZ242)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ 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
1916-Apr-30 04:48 00:04 Jupiter 1.99645567510175 1.99645484333669 1.99645650686862 3.83961740321902 3.72748381095744 2420983.700071534 3.498117661348 206.961244976696 30.1569150206786 -84.558737149575 1878820.09906968 T 17 CATAB v2.0f-lin.ifort 2020-Jan-29 09:26:54 2020-Jan-29 09:26
1976-Jul-27 01:47 00:01 Jupiter 1.99171571601159 1.99171511417863 1.99171631784467 3.79462106890047 3.68084276492506 2442986.574199219 1.32431728751833 79.0291053884456 23.2116358054004 -82.0789076097517 2433744.40234044 T 17 CATAB v2.0f-lin.ifort 2020-Jan-29 09:26:54 2020-Jan-29 09:26
2071-Feb-21 06:49 00:02 Jupiter 1.97730638240837 1.97730571695756 1.9773070478594 3.80921082274892 3.69504306713447 2477528.783797305 2.11716017740115 102.900205808034 24.7276982160517 -82.9580283568616 2170195.38552231 T 17 CATAB v2.0f-lin.ifort 2020-Jan-29 09:26:54 2020-Jan-29 09:26
2165-Sep-18 20:02 00:06 Jupiter 1.98911847227245 1.98911754802909 1.98911939652191 3.86910224611635 3.75743210383727 2512071.334706198 5.5116260043281 271.033296329889 28.779058237109 -84.2077910123269 1995730.65867261 T 17 CATAB v2.0f-lin.ifort 2020-Jan-29 09:26:54 2020-Jan-29 09:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-24 10:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin