+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   46726 (1997 SA22) Classification: Main-belt Asteroid          SPK-ID: 2046726 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2104986785653754 4.4631e-08   a 2.963670474220366 1.8045e-08 au q 2.33982175569376 1.3702e-07 au i 4.540228932024622 6.521e-06 deg node 328.7700946300772 4.799e-05 deg peri 54.33069203647236 5.0307e-05 deg M 149.734367054418 1.7011e-05 deg tp 2458225.391878425508 (2018-Apr-16.89187843) 8.3607e-05 TDB period 1863.559644028855 5.10 1.702e-05 4.66e-08 d yr n .1931786842205442 1.7644e-09 deg/d Q 3.587519192746973 2.1844e-08 au   Orbit Determination Parameters    # obs. used (total)      898      data-arc span      10038 days (27.48 yr)      first obs. used      1992-10-25      last obs. used      2020-04-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55726      source      ORB      producer      Otto Matic      solution date      2020-May-20 09:34:47   Additional Information  Earth MOID = 1.34659 au   Jupiter MOID = 1.90957 au   T_jup = 3.227  [ 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 14.4   n/a MPO319643   diameter diameter 8.716 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.037   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   46726 (1997 SA22)          Discovered 1997-Sep-27 by Spacewatch at Kitt Peak Reference: 20020921/Numbers.arc Last 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 1933-Jun-20 05:13 00:02 Jupiter 1.9522771613921 1.9522763211578 1.95227800163339 2.16836181257718 1.95807691861219 2427243.717170761 2.3731880643894 247.390384422106 19.7537917468015 -85.2467744136915 2699997.0350788 T 20 CATAB v2.0f-lin.ifort 2020-May-20 09:34:54 2020-May-20 09:35 1969-Jun-10 12:06 00:01 Jupiter 1.92249006499721 1.92248947924242 1.92249065075572 1.91914616381438 1.6739025293105 2440383.003824036 1.36499701567951 185.596352952542 29.4722849473279 -79.4708306153637 2797109.33026865 T 20 CATAB v2.0f-lin.ifort 2020-May-20 09:34:54 2020-May-20 09:35 2005-May-30 19:31 < 00:01 Jupiter 1.91023707648019 1.91023660000862 1.91023755295307 1.74018652941516 1.46336074215032 2453521.312940923 0.391320829157628 112.298106306863 43.9769242403923 -74.1393523770351 2471605.224977 T 20 CATAB v2.0f-lin.ifort 2020-May-20 09:34:54 2020-May-20 09:35 2041-May-21 10:57 < 00:01 Jupiter 1.90784965324072 1.9078492097972 1.90785009668457 1.63356442012592 1.33439067549235 2466660.955986389 0.74737953739547 90.6476668626339 51.9008774019761 -77.6287849478284 2394217.90654687 T 20 CATAB v2.0f-lin.ifort 2020-May-20 09:34:54 2020-May-20 09:35 2077-May-12 15:51 00:02 Jupiter 1.92529425830104 1.92529380161599 1.92529471498619 1.67155706557831 1.38355127535364 2479801.160665767 1.76924644755749 74.783877530851 46.4268462736166 -88.7092473661133 2367493.03664729 T 20 CATAB v2.0f-lin.ifort 2020-May-20 09:34:54 2020-May-20 09:35 2113-May-08 03:08 00:03 Jupiter 1.95480449595037 1.95480388382385 1.95480510807633 1.84821321496872 1.59664843589477 2492944.630841999 2.806015069799 77.7846496217302 44.6436879925316 60.9375590333858 1340244.17470031 T 20 CATAB v2.0f-lin.ifort 2020-May-20 09:34:54 2020-May-20 09:35 2149-May-04 00:18 00:04 Jupiter 1.99302880969705 1.99302791737842 1.99302970201489 2.15806714016764 1.95122232492865 2506089.512680289 3.81235456393149 103.431842280472 19.494133679978 69.7076968441692 1118750.69221356 T 20 CATAB v2.0f-lin.ifort 2020-May-20 09:34:54 2020-May-20 09:35 Alternate Designations  1997 SA22 = 1999 CU23 = 2005 GN224  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-31 23:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin