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 ]  
11505 (1990 DW2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2011505
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02353813943256451 3.4573e-08  
a 3.374234400601949 2.2104e-08 au
q 3.294811200802424 1.1936e-07 au
i 1.956860262472345 4.4297e-06 deg
node 336.214346158914 0.00010792 deg
peri 318.9266825811596 0.00014362 deg
M 112.8292335024706 9.3774e-05 deg
tp 2457890.954194463251
(2017-May-17.45419446)
0.00059176 TDB
period 2263.921167093955
6.20
2.2246e-05
6.091e-08
d
yr
n .1590161376785517 1.5626e-09 deg/d
Q 3.453657600401473 2.2625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1958  
   data-arc span      15239 days (41.72 yr)  
   first obs. used      1978-03-15  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:16:33  

Additional Information
 Earth MOID = 2.27845 au 
 Jupiter MOID = 1.59906 au 
 T_jup = 3.151 
[ 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 12.6   n/a MPO502257  
diameter diameter 16.840 km 0.564 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.94920 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.075   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11505 (1990 DW2)          Discovered 1990-Feb-24 by Debehogne, H. at La Silla
Reference: 19990928/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
1936-Feb-18 21:28 00:03 Jupiter 1.91522763695957 1.91522686412478 1.91522840979457 3.23995406901305 3.10044975711721 2428217.394352572 2.62139208586124 60.9715467891018 19.4961505001867 64.4208486819126 3178830.25146532 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
1949-Feb-09 06:39 00:02 Jupiter 1.7608516488851 1.76085084319464 1.76085245457536 2.91489913205036 2.74491837701578 2432956.777132354 2.26197645562355 44.481382051987 28.6131767992768 73.9562202757205 2259308.97675214 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
1962-Feb-09 02:39 00:02 Jupiter 1.60587658558123 1.60587597808866 1.60587719307389 2.55999395735024 2.34492333276676 2437704.610130817 1.83915380705495 62.5976825645353 13.223239086561 -81.2609769338361 2668033.45239845 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
1975-Feb-11 17:20 00:01 Jupiter 1.51844919915382 1.51844875621789 1.51844964208993 2.26564572646755 2.00437247012239 2442455.222073338 1.37398726668047 79.5890918972853 10.1303271890195 -89.8658305951588 2591484.41537094 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
1988-Feb-15 20:45 < 00:01 Jupiter 1.52476323941037 1.52476280208405 1.52476367673653 2.18177357579659 1.91026549089495 2447207.364808892 0.904291490562443 49.5742190258652 7.13698716464985 -86.9660908423842 2603029.89401004 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2001-Feb-22 00:08 < 00:01 Jupiter 1.61689635452197 1.61689595440956 1.61689675463428 2.44570792150343 2.2212098471516 2451962.505382173 0.457978017640737 44.3042065068978 8.28459160989594 -84.9150514134551 3170361.42791476 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2014-Feb-22 12:44 < 00:01 Jupiter 1.7626112423157 1.76261088002993 1.76261160460137 2.89559946918732 2.72459109689782 2456711.030608882 0.246554531666234 43.6490416948388 11.5240264259603 -87.5946233058279 3787669.33796827 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2027-Feb-10 02:26 < 00:01 Jupiter 1.90313505020038 1.90313463760151 1.90313546279926 3.26680095191717 3.12759565092524 2461446.601673333 0.53363673390563 42.4584916325419 15.5406435036349 -88.2449324053491 3703356.31903892 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2040-Jan-20 00:08 < 00:01 Jupiter 1.99947514243015 1.99947469045006 1.99947559441023 3.47612810350051 3.35204739445888 2466173.505324334 0.901411948725115 50.4635140675601 17.7691218368147 -86.342446320564 3683912.32701638 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2065-Nov-30 21:51 00:02 Jupiter 1.99513013806743 1.99512976313691 1.99513051299794 3.45260584417244 3.32737090266348 2475620.410130533 1.68591222295285 54.5318723575368 13.4233927561544 81.4720570103953 4585484.73121777 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2078-Nov-16 03:42 00:02 Jupiter 1.87971819735669 1.87971769063605 1.87971870407745 3.22378858518911 3.08084241245749 2480353.653858686 2.12610336850571 52.1845769093615 16.8943909615754 72.9661581307069 4462838.26785861 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2091-Nov-10 17:19 00:03 Jupiter 1.72448726163905 1.72448656476747 1.72448795851055 2.89692602569171 2.72210090096854 2485096.221838028 2.59529755610067 41.8157843793218 27.7175870320128 -86.7893486481763 2808998.75441824 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2104-Nov-10 09:32 00:03 Jupiter 1.58896529041745 1.5889645809231 1.58896599991326 2.52955427890129 2.30922366325819 2489843.897198406 3.07807127378805 107.94891293464 11.1037097978857 -81.7149813726084 2865529.98842929 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2117-Nov-14 12:58 00:04 Jupiter 1.51596423527156 1.51596374374694 1.51596472679773 2.21265043410967 1.94379824788977 2494596.040067811 3.58350422149595 144.713355735199 9.10180580114997 88.5502786902369 2590101.88363307 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2130-Nov-22 08:30 00:04 Jupiter 1.53858797561978 1.53858746393419 1.53858848730547 2.19696861547268 1.93018970952591 2499351.854381543 4.06979705998221 82.666048761559 9.61417434402279 87.1539873346543 2649563.74773586 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2143-Nov-26 08:52 00:04 Jupiter 1.64887220300611 1.64887129618084 1.64887310983138 2.53447004406072 2.3229597944624 2504103.869620072 4.46133232949163 66.3957199270993 20.299162159803 75.2843849354716 2223892.88158845 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2156-Nov-19 14:36 00:05 Jupiter 1.79204465498789 1.79204351377622 1.79204579619956 2.94411869098645 2.77894238762154 2508846.108487526 4.78547660913677 64.3127154883773 29.5505686290035 -54.4163511121455 2076970.47496728 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16
2169-Nov-03 12:37 00:05 Jupiter 1.92268199729757 1.92268092339982 1.92268307119892 3.26389092649155 3.12600377844791 2513578.025387527 5.09374035351117 160.475707745429 18.3132966363493 -74.7810332376085 3483780.78195502 T 29 CATAB v2.0f-lin.ifort 2019-Dec-13 23:16:46 2019-Dec-13 23:16

Alternate Designations
 1990 DW2 = 1978 EG10 = 1993 SF13 = 1994 WR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 21:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin