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 ]  
382146 (2011 LT21)
Classification: Main-belt Asteroid          SPK-ID: 2382146
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 .1400972551155526 7.1777e-08  
a 3.183497697364903 6.2117e-08 au
q 2.737498408297398 2.369e-07 au
i 4.459886278627052 5.9159e-06 deg
node 80.56780134950746 0.00012926 deg
peri 145.0429295490495 0.00013425 deg
M 148.5972891630582 4.1214e-05 deg
tp 2457744.125705111060
(2016-Dec-21.62570511)
0.00022173 TDB
period 2074.6996657639
5.68
6.0723e-05
1.663e-07
d
yr
n .1735190909511468 5.0786e-09 deg/d
Q 3.629496986432408 7.082e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      5352 days (14.65 yr)  
   first obs. used      2005-03-10  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71544  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:22:02  

Additional Information
 Earth MOID = 1.7296 au 
 Jupiter MOID = 1.35975 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 16.2   n/a MPO455743  

382146 (2011 LT21)          Discovered 2005-Mar-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ 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
1906-May-03 07:52 00:11 Jupiter 1.61795380665059 1.61794732329604 1.61796029001756 2.01385752718775 1.73452957483755 2417333.827696180 10.7816501527323 496.632185807565 31.0270982674275 -89.1819989840867 888997.733871505 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
1917-May-07 18:25 00:08 Jupiter 1.42676986421515 1.42676780552889 1.42677192290578 1.46254793888651 0.975560155431356 2421356.267568539 8.36813766223354 631.699214345517 271.866860116774 27.0434849324561 690542.385027757 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
1928-May-22 23:28 00:07 Jupiter 1.43702570353055 1.43702351337415 1.43702789387507 1.41078366582856 0.900808239885513 2425389.477626911 6.97706123549432 1315.41901482676 420.013929957908 60.9392155202391 887467.70435212 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
1939-May-12 09:44 00:06 Jupiter 1.64617613336847 1.64617210329779 1.64618016346545 2.10259507316634 1.84169139601243 2429395.905729006 6.27930228265422 470.062753394027 18.3699779221369 85.9463496529627 1123217.75298301 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
1950-Apr-07 22:41 00:05 Jupiter 1.95929330993406 1.95928949804845 1.95929712182201 3.49904557452293 3.3732327964087 2433379.445073303 5.1880907671112 228.005392915943 49.8596742067391 -51.1755112433214 1021441.76877386 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
2038-Feb-13 08:01 00:02 Jupiter 1.98800268909406 1.98800156644611 1.98800381174246 3.1593696674791 3.02150335440184 2465467.833796082 2.05031785410857 113.488323825752 33.0215347601789 -75.0854355692998 1616891.04114176 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
2049-Jan-20 04:03 00:03 Jupiter 1.66025971644881 1.66025818078809 1.6602612521116 2.08355374893704 1.82231907441914 2469461.668636378 3.25051866062456 176.852983333685 20.8269415997273 -83.8195067975018 1173454.53520329 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
2060-Jan-21 01:10 00:05 Jupiter 1.44505274523207 1.44505155696183 1.44505393351158 1.52812190677813 1.07835515973945 2473479.548265751 4.49571358658689 356.303658975681 208.586054340441 50.0023725042361 1037725.61494189 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
2071-Feb-08 02:10 00:06 Jupiter 1.42392849178485 1.42392716198055 1.42392982163594 1.44372693474863 0.945859056525216 2477515.589993247 6.21811705030016 620.507665499854 394.163150378628 67.7138586859705 922887.016080397 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
2082-Jan-31 19:37 00:09 Jupiter 1.60695511596947 1.60695103422611 1.60695919779914 1.99306726866714 1.70825101364817 2481526.317611817 8.50791368159331 719.749812748305 37.5083242037037 86.2661208292149 1194830.29961619 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
2092-Dec-26 21:36 00:10 Jupiter 1.91616813526826 1.91616237729625 1.91617389325978 3.32720786562824 3.19158779408408 2485508.400291497 10.016423983227 432.536459900482 38.7546176753523 -60.2282971209729 1312507.671613 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22
2191-Oct-10 10:49 00:18 Jupiter 1.71650778899515 1.71649743330258 1.71651814472783 2.16576233481441 1.92447728056866 2521588.950893844 17.8025082766198 747.282679647654 14.1098561556268 -77.5816919402768 793794.061688105 T 13 CATAB v2.0f-lin.ifort 2019-Dec-05 00:22:05 2019-Dec-05 00:22

Alternate Designations
 2011 LT21 = 2005 EH149 = 2005 JS185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-16 07:49 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin