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
JPL Small-Body Database Browser
Search: [ help ]  
305459 (2008 DU18)
Classification: Main-belt Asteroid          SPK-ID: 2305459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202652474009379 6.3083e-08  
a 3.109446416512975 3.0167e-08 au
q 2.735488073951082 1.9637e-07 au
i 7.410990782242329 4.4809e-06 deg
node 154.6964249837056 4.945e-05 deg
peri 85.06269205871241 5.8311e-05 deg
M 72.2711667149823 2.5141e-05 deg
tp 2458994.444870036425
(2020-May-24.94487004)
0.00014207 TDB
period 2002.732948226798
5.48
2.9145e-05
7.979e-08
d
yr
n .1797543703062062 2.6159e-09 deg/d
Q 3.483404759074868 3.3795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      8558 days (23.43 yr)  
   first obs. used      1997-02-11  
   last obs. used      2020-07-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6277  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:55:13  

Additional Information
 Earth MOID = 1.73677 au 
 Jupiter MOID = 1.57402 au 
 T_jup = 3.195 
[ 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 16.10   n/a MPCxxxxx  

305459 (2008 DU18)          Discovered 2008-Feb-27 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
1930-Nov-07 19:55 00:04 Jupiter 1.9348207471794 1.93481868574389 1.93482280861501 2.76490301825185 2.60175558567705 2426288.329724186 3.67975653293187 126.392093152011 32.6852209337936 -68.5188591055774 1308083.95867275 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:55:13 2021-Apr-14 05:55
1940-Sep-16 10:31 00:03 Jupiter 1.56463547180351 1.56463476772282 1.5646361758883 1.88076080089602 1.56670102972699 2429888.938007981 3.37249425011629 218.364709045462 73.7244620583644 63.4167044548018 1241094.54432563 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:55:13 2021-Apr-14 05:55
1950-Aug-31 00:10 00:03 Jupiter 1.90819060539939 1.90818893177204 1.90819227902978 3.59805043190099 3.47249065226722 2433524.507058118 2.7319713974596 163.95473250524 34.0758896041951 -66.8769220684478 1914727.12914467 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:55:13 2021-Apr-14 05:55
2001-Oct-09 20:02 < 00:01 Jupiter 1.85153973682764 1.85153879555819 1.85154067809657 2.38014073162075 2.17947961326294 2452192.334834625 0.821147728245462 54.1308542326843 21.9474549905118 85.3816136035694 1347622.48076264 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:55:13 2021-Apr-14 05:55
2011-Aug-17 19:40 < 00:01 Jupiter 1.57351666193037 1.57351604293544 1.57351728092504 2.05174311995883 1.77004286586736 2455791.319689934 0.566221066853406 66.762209120803 49.4173908734682 65.3385057373358 1375841.39589647 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:55:13 2021-Apr-14 05:55
2072-Sep-08 21:03 00:03 Jupiter 1.77493248076571 1.77493114179374 1.77493381973566 2.04337421024495 1.7947006145235 2478094.377301527 2.50634735962544 59.8834001349287 32.6761729023942 71.0232972217991 844638.318897051 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:55:13 2021-Apr-14 05:55
2082-Jul-17 16:23 00:03 Jupiter 1.60687586703291 1.60687479009033 1.60687694397888 2.2807148126623 2.03651969281476 2481693.182583211 2.86126177824467 188.527866196417 32.4016683659266 84.5222620879471 1467210.44822988 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:55:13 2021-Apr-14 05:55
2143-Aug-08 01:03 00:06 Jupiter 1.70804927471283 1.70804713978183 1.70805140963674 1.77043489971265 1.46377549802674 2503993.544052396 5.66748417636525 149.302881556057 66.2075894965606 -29.2079612330844 629758.149072773 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:55:13 2021-Apr-14 05:55
2153-Jun-17 14:28 00:06 Jupiter 1.65980186069491 1.6597995438975 1.65980417751637 2.55786137539067 2.34989870901109 2507595.103039323 5.80410127345324 373.645530562621 26.7290578181089 -85.7569642946701 1697181.08501324 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 05:55:13 2021-Apr-14 05:55

Alternate Designations
 2008 DU18 = 2005 TU88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-01 06:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin