+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   212490 (2006 QL117) Classification: Outer Main-belt Asteroid          SPK-ID: 2212490 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2549839924535514 5.2951e-08   a 3.972447968376006 6.8669e-08 au q 2.959537325585493 2.2252e-07 au i 1.732301176596604 5.2402e-06 deg node 271.959370274278 0.00020606 deg peri 106.3031181221099 0.00020647 deg M 275.3485156361747 1.5933e-05 deg tp 2459880.513962744195 (2022-Oct-28.01396274) 0.00014325 TDB period 2891.916526067729 7.92 7.4986e-05 2.053e-07 d yr n .1244849209010567 3.2278e-09 deg/d Q 4.985358611166519 8.6178e-08 au   Orbit Determination Parameters    # obs. used (total)      266      data-arc span      7995 days (21.89 yr)      first obs. used      1998-08-24      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5742      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 04:00:39   Additional Information  Earth MOID = 1.96097 au   Jupiter MOID = .546826 au   T_jup = 2.999  [ 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 15.09   n/a E2021B55   212490 (2006 QL117)          Discovered 2006-Aug-27 by LONEOS at Anderson Mesa Reference: 20090409/Numbers.arc Last Updated: 2009-04-10 [ 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 1905-Jul-30 10:27 00:02 Jupiter 1.99819384803312 1.99819285891054 1.99819483715571 5.52974270763143 5.45254677006002 2417056.935747145 1.70989032249422 71.3920379989127 40.8042814271842 -67.431852533704 2264007.83080438 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 04:00:40 2020-Nov-12 04:00 1998-Nov-15 03:07 00:01 Jupiter 1.98880246352132 1.98880163998012 1.98880328706263 5.54903756873775 5.47174802419325 2451132.629928586 1.28515824503199 64.6085374432149 34.174142167004 70.5196673592475 2804732.91770587 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 04:00:40 2020-Nov-12 04:00 2022-Jun-25 12:19 < 00:01 Jupiter 1.95672245539585 1.95672174946458 1.95672316132712 5.3923613664392 5.31147857798321 2459756.013251786 0.677526255229124 52.1978909406929 32.3765618943267 -79.2353479914474 2998210.51143851 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 04:00:40 2020-Nov-12 04:00 2046-Apr-28 16:21 00:03 Jupiter 1.95383519129595 1.95383450641837 1.95383587617363 5.41684366998132 5.33621209835195 2468464.181546629 2.58270564494172 107.828953576472 31.7144967989176 87.1442733764086 3107087.03920618 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 04:00:40 2020-Nov-12 04:00 2070-May-05 15:32 00:04 Jupiter 1.95517647352528 1.95517578796261 1.95517715908818 5.4907970591643 5.41132251477213 2477237.147459538 3.8488461321414 154.407948749259 31.5115269346982 87.3688460747384 3168263.6610526 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 04:00:40 2020-Nov-12 04:00 2094-May-27 23:23 00:04 Jupiter 1.95520508457776 1.95520441781959 1.95520575133593 5.48254675599883 5.40295202870934 2486025.474374220 4.10288792212701 161.381570836695 31.4616424434612 -89.9355893505683 3155134.95984608 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 04:00:40 2020-Nov-12 04:00 2118-May-17 07:55 00:03 Jupiter 1.9501023098894 1.95010163005575 1.95010298972294 5.41732010356956 5.3365402312912 2494779.830124909 3.32879513660145 132.197802462445 32.03980966386 89.5631759944264 3084512.8783818 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 04:00:40 2020-Nov-12 04:00 2142-Feb-22 19:42 00:02 Jupiter 1.96018968722539 1.96018884999218 1.9601905244586 5.43741640956218 5.35735682593395 2503462.320752646 1.98031231282149 89.7203642409925 37.7363160495031 81.496289192619 2681595.03294311 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 04:00:40 2020-Nov-12 04:00 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-13 08:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin