+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312601 (2009 KW35) Classification: Main-belt Asteroid          SPK-ID: 2312601 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1398372444431029 7.5847e-08   a 3.193623683810471 5.0466e-08 au q 2.747036148078184 2.6141e-07 au i 15.59915574906659 6.899e-06 deg node 122.6301530935637 4.6345e-05 deg peri 197.1695152924072 6.4691e-05 deg M 310.681431377336 4.9326e-05 deg tp 2459486.082768971256 (2021-Sep-28.58276897) 0.00028786 TDB period 2084.60625887684 5.71 4.9412e-05 1.353e-07 d yr n .1726944829350956 4.0934e-09 deg/d Q 3.640211219542759 5.7523e-08 au   Orbit Determination Parameters    # obs. used (total)      105      data-arc span      5799 days (15.88 yr)      first obs. used      2004-08-08      last obs. used      2020-06-24      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56586      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 06:30:35   Additional Information  Earth MOID = 1.73517 au   Jupiter MOID = 1.6667 au   T_jup = 3.124  [ 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 15.72   n/a E2021B25   312601 (2009 KW35)          Discovered 2009-May-18 by Mt. Lemmon Survey at Mount Lemmon Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ 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 1944-Jan-14 17:48 00:06 Jupiter 1.82307806379112 1.82307540914328 1.82308071851286 4.03746562254282 3.92070226192281 2431104.241889453 5.66624652552419 625.280536402613 33.5026688959433 -77.9796072416474 2151320.44129351 T 8 CATAB v2.0f-lin.ifort 2021-Apr-14 06:30:35 2021-Apr-14 06:30 1955-Apr-28 21:19 00:04 Jupiter 1.72377897697505 1.72377810567715 1.72377984829471 4.03139139319595 3.9076035942833 2435226.388268184 4.36074983889026 480.412779397642 30.7824541943824 -86.593098078385 2244923.73714234 T 8 CATAB v2.0f-lin.ifort 2021-Apr-14 06:30:35 2021-Apr-14 06:30 1966-Aug-08 18:11 00:03 Jupiter 1.72855460384093 1.72855338891498 1.72855581877416 3.90440939521411 3.7768210363354 2439346.257657013 3.47635222615475 290.082896144563 46.5178158402568 81.9725150006735 2106375.29046279 T 8 CATAB v2.0f-lin.ifort 2021-Apr-14 06:30:35 2021-Apr-14 06:30 1977-Oct-23 19:39 00:03 Jupiter 1.84003780032042 1.84003599504566 1.84003960559561 3.60410494427849 3.47403435799252 2443440.319060883 2.86101567197438 170.409545022329 90.0950989883186 -79.6455359462515 1712091.84736694 T 8 CATAB v2.0f-lin.ifort 2021-Apr-14 06:30:35 2021-Apr-14 06:30 2122-Feb-15 22:16 00:07 Jupiter 1.8475423198539 1.84753872963914 1.84754591017043 3.9224547447553 3.8037787934021 2496150.427661827 6.9855173253872 731.834878502953 33.4531989752927 -75.7428377965516 2038370.19410894 T 8 CATAB v2.0f-lin.ifort 2021-Apr-14 06:30:35 2021-Apr-14 06:30 2133-May-30 01:05 00:08 Jupiter 1.74170863312182 1.7417066111119 1.74171065528836 4.04166274626674 3.91949024258059 2500271.545396456 7.74991831606063 883.932295635781 28.0030243788423 -83.7240418933812 2250677.85011756 T 8 CATAB v2.0f-lin.ifort 2021-Apr-14 06:30:35 2021-Apr-14 06:30 2144-Sep-10 08:31 00:09 Jupiter 1.73451025813569 1.73450905070989 1.73451146566058 4.0454228549827 3.92285298773723 2504392.854884649 9.20743990639121 872.345418230956 37.8820713964686 86.6857080426776 2260639.29724917 T 8 CATAB v2.0f-lin.ifort 2021-Apr-14 06:30:35 2021-Apr-14 06:30 2155-Dec-02 06:04 00:12 Jupiter 1.83566794422098 1.83566336487147 1.83567252360264 3.91109096097275 3.79127724204722 2508492.753068401 11.6972488755441 481.402821731491 94.8613319472217 61.9081574242082 2004482.0822029 T 8 CATAB v2.0f-lin.ifort 2021-Apr-14 06:30:35 2021-Apr-14 06:30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 22:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin