+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70018 (1998 YP9) Classification: Main-belt Asteroid          SPK-ID: 2070018 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1205493111419124 3.6674e-08   a 3.156972183107955 1.9813e-08 au q 2.776401361140111 1.2022e-07 au i 4.762142375694324 5.0061e-06 deg node 170.6891902329016 4.2214e-05 deg peri 242.7806730611667 4.7663e-05 deg M 342.947320332676 1.9677e-05 deg tp 2459297.549810765480 (2021-Mar-24.04981077) 0.00011179 TDB period 2048.823560705245 5.61 1.9288e-05 5.281e-08 d yr n .1757105916314634 1.6542e-09 deg/d Q 3.537543005075798 2.2202e-08 au   Orbit Determination Parameters    # obs. used (total)      1086      data-arc span      8071 days (22.10 yr)      first obs. used      1998-12-08      last obs. used      2021-01-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51776      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 06:39:34   Additional Information  Earth MOID = 1.79075 au   Jupiter MOID = 1.83522 au   T_jup = 3.189  [ 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 14.38   n/a E2021B10   diameter diameter 7.551 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.078   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   70018 (1998 YP9)          Discovered 1998-Dec-25 by Korlevic, K., Juric, M. at Visnjan Reference: 20031109/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 1901-Oct-11 05:14 00:03 Jupiter 1.90518895687559 1.90518837708768 1.90518953666349 2.85679839531024 2.6966873724666 2415668.717992065 3.15769622306348 80.1924261586392 14.0663157351437 -88.0950227304717 2274470.89579478 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 1912-Apr-24 19:51 00:03 Jupiter 1.85016013388003 1.85015976648699 1.85016050127297 2.33019896191653 2.12466619498449 2419517.326899230 2.77973298377634 82.5955003643858 8.64589379405627 -87.8039666822617 3445300.18466469 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 1922-Nov-20 12:44 00:02 Jupiter 1.92356241580177 1.92356180547041 1.92356302613433 2.64313183286276 2.47092387638015 2423379.030536645 2.36994226091533 120.454939221313 12.7446546412854 85.3415873867067 2756323.83171783 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 1997-Mar-27 21:45 < 00:01 Jupiter 1.93916029429733 1.93915981260479 1.93916077598987 3.26678717152688 3.1302238273846 2450535.406170459 0.575397846967345 47.2341092345917 17.2058852302462 -88.6634888200344 2900443.49161342 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 2007-Oct-08 06:35 < 00:01 Jupiter 1.84952675455078 1.84952636511917 1.84952714398238 2.37127870783358 2.16956871047815 2454381.774416043 0.347456265145194 49.839573705002 3.01835225611151 -78.5314008769304 3343018.52334312 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 2018-Apr-28 10:02 < 00:01 Jupiter 1.88428972381398 1.88428933282088 1.88429011480698 2.45325515694288 2.26261452190712 2458236.918100628 0.332522298262817 44.1301199518619 9.79211140181401 -87.3204603288436 3017092.40600721 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 2092-Sep-08 12:26 00:02 Jupiter 1.97083407343509 1.97083335664112 1.97083479023007 3.71882319038814 3.60140090956435 2485399.017933346 2.09881817879827 106.609778448255 19.4006806112499 80.3077390556886 2761159.12599968 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 2103-Mar-24 15:10 00:02 Jupiter 1.85883711803608 1.85883658358819 1.85883765248377 2.55762886542849 2.37278712398072 2489247.132042251 2.47046234033668 60.1444619936992 7.99774682358695 -81.2749119476183 1905617.14546087 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 2113-Oct-06 10:51 00:03 Jupiter 1.85471250696311 1.85471209340839 1.85471292051782 2.3059266659585 2.09855293206246 2493095.952082304 2.74489381510037 100.070742082011 10.0032927248692 89.5659900048924 3254240.51096866 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 2124-May-03 10:42 00:03 Jupiter 1.97954251694855 1.97954159058764 1.97954344331261 2.85098231499946 2.69672470468165 2496957.945994438 2.98374312264228 160.087406976009 15.2285289077095 80.8461091909673 2773012.33760736 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 2198-Sep-09 06:35 00:05 Jupiter 1.86909484531281 1.86909391997122 1.86909577065781 2.86744137579107 2.7047874042761 2524114.774532767 5.1121999859537 169.954670423076 13.4831753211479 89.1170292079236 2168672.32970305 T 26 CATAB v2.0f-lin.ifort 2021-Feb-24 06:39:36 2021-Feb-24 06:39 Alternate Designations  1998 YP9 = 2000 DM13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 03:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin