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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02359566727969538 3.4523e-08  
a 3.37469256307628 2.1751e-08 au
q 3.29506444018667 1.1885e-07 au
i 1.957028941346257 4.3465e-06 deg
node 336.1952722357737 0.00010743 deg
peri 319.7148455750563 0.00014115 deg
M 175.6259141038556 9.0628e-05 deg
tp 2457895.821642762462
(2017-May-22.32164276)
0.0005728 TDB
period 2264.382284554801
6.20
2.1892e-05
5.994e-08
d
yr
n .1589837557269088 1.5371e-09 deg/d
Q 3.45432068596589 2.2265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2015  
   data-arc span      15299 days (41.89 yr)  
   first obs. used      1978-03-15  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47934  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:03:57  

Additional Information
 Earth MOID = 2.27943 au 
 Jupiter MOID = 1.5989 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-August); 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 1.91522748043063 1.91522671889608 1.91522824196539 3.23995301069799 3.10044863952539 2428217.394310715 2.5894784467237 60.0117766385323 19.248378514808 64.4248399366133 3216517.26740541 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
1949-Feb-09 06:39 00:02 Jupiter 1.76085157250782 1.76085077082631 1.76085237418913 2.91489866269753 2.74491787099675 2432956.777083492 2.23655521450111 43.6771846962804 28.4062029120166 73.5042830704004 2264251.11899298 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
1962-Feb-09 02:38 00:02 Jupiter 1.60587661789789 1.60587601057227 1.60587722522361 2.55999444490407 2.34492386956438 2437704.610063642 1.82073966088632 62.2395705281135 13.2052791962001 -81.2427844263325 2702617.17552316 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
1975-Feb-11 17:20 00:01 Jupiter 1.51844936143597 1.51844892814919 1.51844979472284 2.26564694004989 2.0043738716402 2442455.221977322 1.36201504848096 79.4618632671528 9.93696039542862 -89.8735355953453 2671180.83879554 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
1988-Feb-15 20:45 < 00:01 Jupiter 1.52476350180801 1.52476307733631 1.52476392627963 2.18177478528717 1.91026692233606 2447207.364706447 0.898439607433471 49.5703917578361 7.12088184482336 -86.9674233347901 2680548.16288346 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2001-Feb-22 00:08 < 00:01 Jupiter 1.6168966033349 1.61689620716996 1.61689699949974 2.44570884583097 2.22121090119328 2451962.505304652 0.457622180707272 43.5583673616887 8.21996840296424 -85.0469557727371 3197822.20325716 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2014-Feb-22 12:44 < 00:01 Jupiter 1.76261136039844 1.76261099945393 1.76261172134285 2.8956000977682 2.72459177674733 2456711.030522842 0.23778929363646 42.9042256745726 11.4859272085521 -87.5934893057521 3801071.52682293 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2027-Feb-10 02:26 < 00:01 Jupiter 1.90313501412039 1.90313461219333 1.90313541604745 3.2668011751391 3.12759588138468 2461446.601572752 0.514848797639356 42.1522284088545 15.1394908630918 -88.6871481390212 3787516.11032078 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2040-Jan-20 00:07 < 00:01 Jupiter 1.99947499784098 1.99947456138079 1.99947543430117 3.47612776894137 3.35204703837677 2466173.505199396 0.876699325876438 49.8260958429087 17.2485062473054 -87.2239386904797 3786739.73328104 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2065-Nov-30 21:50 00:02 Jupiter 1.9951299657321 1.99512959224601 1.9951303392182 3.45260470231622 3.32736970680915 2475620.409990969 1.64903499851227 53.7285432899641 13.3025260943832 81.2085355313661 4639639.57118492 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2078-Nov-16 03:41 00:02 Jupiter 1.87971807363623 1.87971757221952 1.87971857505304 3.22378763338084 3.08084140686003 2480353.653716804 2.08164541604105 51.1240426927057 16.7348767491542 72.8911806533271 4469105.36892563 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2091-Nov-10 17:19 00:03 Jupiter 1.7244872125962 1.72448653449618 1.72448789069614 2.89692580837953 2.72210066456809 2485096.221679261 2.54246145725943 41.3077777977835 27.0210534212056 -87.042704726085 2883693.25034507 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2104-Nov-10 09:32 00:03 Jupiter 1.58896534959434 1.58896466677527 1.58896603241477 2.52955498896724 2.30922444967095 2489843.897009161 3.01738299202822 106.008497485845 10.9076239814258 -81.8862498591375 2932111.70050239 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2117-Nov-14 12:57 00:04 Jupiter 1.51596442267422 1.51596395011088 1.51596489523886 2.21265161295406 1.94379962531711 2494596.039853523 3.51586092719791 141.528646381417 8.99002830271449 88.6215878349683 2644944.23782265 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2130-Nov-22 08:30 00:04 Jupiter 1.53858823286982 1.53858772164033 1.53858874409932 2.19696962793617 1.93019090961337 2499351.854180930 3.99567601689195 81.3381074060363 9.40249680342389 87.2592527498019 2671843.35317486 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2143-Nov-26 08:52 00:04 Jupiter 1.6488724030455 1.64887150857023 1.64887329752078 2.53447089903615 2.32296075411345 2504103.869431945 4.38121811353355 65.1633388226901 19.9290227773456 75.1944041844987 2249532.99198711 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2156-Nov-19 14:36 00:05 Jupiter 1.79204471381172 1.79204359929806 1.79204582832528 2.94411935189081 2.77894309339213 2508846.108296006 4.6998665039996 63.1491342795126 29.1166827877273 -54.8444462859921 2111457.38348784 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04
2169-Nov-03 12:36 00:05 Jupiter 1.92268192337017 1.92268088236045 1.92268296438338 3.26389110026399 3.1260039544667 2513578.025164159 5.00309674188516 157.543145267123 18.0365824390499 -74.9969985608255 3549429.49119188 T 31 CATAB v2.0f-lin.ifort 2020-Feb-22 20:04:17 2020-Feb-22 20:04

Alternate Designations
 1990 DW2 = 1978 EG10 = 1993 SF13 = 1994 WR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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