+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   643 Scheherezade (A907 RK) Classification: Outer Main-belt Asteroid          SPK-ID: 2000643 [ 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 44 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05676898083575526 1.823e-08   a 3.360772431103296 1.5331e-08 au q 3.169984805368659 5.9942e-08 au i 13.76852739305135 2.4994e-06 deg node 252.1686759238563 6.0521e-06 deg peri 230.0242753641296 1.8071e-05 deg M 59.15970767533441 2.2202e-05 deg tp 2458830.688336376546 (2019-Dec-13.18833638) 0.0001382 TDB period 2250.386354764741 6.16 1.5398e-05 4.216e-08 d yr n .1599725306002555 1.0946e-09 deg/d Q 3.551560056837934 1.6201e-08 au   Orbit Determination Parameters    # obs. used (total)      3174      data-arc span      41468 days (113.53 yr)      first obs. used      1907-09-09      last obs. used      2021-03-22      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .40623      source      ORB      producer      Otto Matic      solution date      2021-May-03 18:42:21   Additional Information  Earth MOID = 2.20564 au   Jupiter MOID = 1.73879 au   T_jup = 3.107  [ 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 9.82   n/a E2021B10   diameter diameter 64.997 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 14.161 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Warner, B.D. (2006) Minor Planet Bull. 33, 35-39.] [Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Stephens, R.D. (2018) Minor Planet Bull. 45, 50-54.] geometric albedo albedo 0.058   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.719   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=9.21, mean=10.86, max.=15.29) deg. U-B UB 0.302   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=9.21, mean=11.32, max.=15.29) deg. Tholen spectral type spec_T P   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo 643 Scheherezade (A907 RK)          Discovered 1907-Sep-08 by Kopff, A. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ 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 1923-Nov-23 13:38 00:02 Jupiter 1.84509418382955 1.8450927411292 1.84509562654249 4.30473977327365 4.19674276085615 2423747.067937108 2.40039892038582 254.494828928734 5.66686809563135 73.6979038880562 10016455.2729063 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 1936-Jun-24 22:52 00:02 Jupiter 1.66781244265885 1.66781171633009 1.66781316900079 4.21133291429155 4.08896028107376 2428344.452903005 1.88922144752998 242.50230061114 4.21455183280629 81.8578328617332 7531071.71231626 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 1949-Jan-14 17:37 00:02 Jupiter 1.60473025948516 1.60473009760902 1.60473042136148 3.86524067264988 3.72618146046874 2432931.234167951 1.54439927995656 170.924869972215 6.94058119591352 -89.4505113753968 5340601.00052977 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 1961-Sep-01 17:34 00:01 Jupiter 1.66913582082561 1.66913538347419 1.66913625817741 3.07368695809432 2.90389877654531 2437544.231890164 1.41387568658254 70.8706096846659 26.2972035313317 -75.5696321672546 2477612.52487276 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 1974-Jul-27 16:26 00:01 Jupiter 1.77760358382522 1.77760314399883 1.77760402365221 1.5970751190404 1.26398387355538 2442256.184740945 1.38255472599305 259.228194037879 31.6571836707435 79.7874725483187 4636644.89871469 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 1987-Jul-15 17:05 < 00:01 Jupiter 1.77042510041944 1.77042478066339 1.77042542017549 3.24637817602526 3.09549890758299 2446992.211462999 0.712725532320625 48.0824267678892 9.04043436563652 -77.8453440984483 2731946.7004978 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2000-Apr-15 17:33 < 00:01 Jupiter 1.74314245049342 1.74314222873068 1.74314267225616 4.59259993569504 4.4855479279657 2451650.231501888 0.329498207348518 36.2446751894118 8.36552699979232 84.4959711946711 5057524.97694281 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2012-Dec-24 17:36 < 00:01 Jupiter 1.83685920772028 1.83685898567802 1.83685942976265 5.2341403534623 5.14528661581878 2456286.233190566 0.15535188769471 27.6722129564754 6.71506233826659 73.8988060239136 10281663.3070232 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2089-Jul-04 19:25 00:01 Jupiter 1.99705016804384 1.99704937415117 1.99705096193922 4.47035542324097 4.374448990058 2484237.309080959 1.42754713299402 126.447687686016 8.84586241592144 71.9261474245868 14071429.5421571 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2102-Feb-20 20:15 00:02 Jupiter 1.78311372412647 1.78311301054091 1.78311443771912 4.4025034445193 4.29324909558387 2488850.343683358 1.60578910183748 184.60505251525 5.11886899780564 79.1392035774785 10931367.4179196 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2114-Sep-21 09:00 00:02 Jupiter 1.66403135443008 1.66403104761672 1.66403166125253 4.09013806331564 3.96373468547681 2493445.874924938 1.88740370233568 209.888049236642 5.04338029767341 86.7450902721365 7020063.83407158 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2127-Apr-27 12:32 00:02 Jupiter 1.65665513000267 1.65665476756098 1.65665549244898 3.44239674703529 3.29052060552232 2498047.022306708 2.4642801926895 165.222828692752 11.2497447477875 -80.7738152227804 3389054.30685076 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2140-Feb-02 20:40 00:04 Jupiter 1.73032185668521 1.73032122524918 1.7303224882138 1.99647438342356 1.73403440901059 2502711.361315214 3.9375822219038 889.102754350538 31.6995836804345 74.4691876837931 4101359.17965552 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2153-Feb-10 12:27 00:04 Jupiter 1.74068557389113 1.74068501890302 1.7406861288828 2.35888560647452 2.14269355297778 2507468.018742159 4.39271444717702 216.131970426755 21.3025173943563 -37.99404151884 1341530.17638279 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2165-Nov-25 09:10 00:04 Jupiter 1.68423418027025 1.68423381099705 1.68423454955838 4.01351219152491 3.88618772139209 2512138.881873325 3.85518565821301 360.317786023763 9.91471026551716 -85.6338649863237 3896176.55737488 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2178-Jul-31 08:42 00:04 Jupiter 1.71784143779184 1.71784035866873 1.71784251695314 4.83477111486534 4.73168725118652 2516769.862439392 4.00863656718911 418.45504874113 7.89113809510368 83.3282269993742 5506856.0458723 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 2191-Apr-08 22:00 00:04 Jupiter 1.90371440229591 1.90371196760139 1.90371683700742 5.17895734722389 5.0923212975507 2521404.416391556 4.46308405378648 311.285975389922 7.27637026495321 67.2913750678806 7483760.7023463 T 44 CATAB v2.0g-lin.ifort 2021-May-03 18:43:17 2021-May-03 18:43 Alternate Designations  A907 RK = 1956 VG = A899 LC  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-May-10 06:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin