+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   455157 (1997 YM3) Classification: Amor [NEO]          SPK-ID: 2455157 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6586244103930733 1.2345e-07   a 3.302588909767417 4.3076e-07 au q 1.127423236301149 4.8333e-07 au i 3.855026313960873 2.2053e-05 deg node 299.6449535255554 0.00015953 deg peri 78.00069114881377 0.00024129 deg M 305.377869030424 0.00024781 deg tp 2459333.118455517287 (2021-Apr-28.61845552) 0.0015739 TDB period 2192.200155151742 6.00 0.0004289 1.174e-06 d yr n .1642185815715724 3.2129e-08 deg/d Q 5.477754583233684 7.1447e-07 au   Orbit Determination Parameters    # obs. used (total)      101      data-arc span      8264 days (22.63 yr)      first obs. used      1997-11-06      last obs. used      2020-06-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      1      norm. resid. RMS      .547      source      ORB      producer      Otto Matic      solution date      2020-Jun-22 06:44:00   Additional Information  Earth MOID = .146656 au   Jupiter MOID = .473103 au   T_jup = 2.772  [ 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 17.1   n/a MPO361354   455157 (1997 YM3)          Discovered 1997-Dec-20 by Beijing Schmidt CCD Asteroid Program at Xinglong Reference: Last Updated: 2016-02-25 [ 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 1900-Feb-10 16:04 00:03 Mars 0.0875033945737573 0.0874896003862612 0.0875171895421454 12.1627745136731 12.1625055129591 2415061.169707047 3.13253185316748 802.252850286336 37.8229406129682 31.0079483840136 181684.046810812 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 1911-Dec-01 10:23 00:03 Earth 0.440879596730015 0.440852640446646 0.440906553032956 21.6713923560201 21.6711134818215 2419371.932830176 3.16848865571697 1352.18465536708 71.6809216305115 -6.24681242877927 97262.4140826304 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 1912-Feb-09 22:35 00:04 Mars 0.0310461263258951 0.0310342506739296 0.0310580028583334 14.1464019598771 14.1457500871992 2419442.441140615 3.55206069910908 647.743439833071 66.9610718073924 -24.034980305885 28849.3007694042 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 1934-Aug-28 19:15 00:06 Earth 0.166739617293694 0.166699905935552 0.166779329615555 14.0618382803551 14.0607018338246 2427678.302031834 6.14191258163018 2078.77414868945 47.5373414687617 -17.7251122110076 140540.655423919 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 1951-Nov-08 19:35 00:07 Earth 0.115174292962622 0.115150360999091 0.115198229214471 11.7024458153551 11.7004687690099 2433959.316279368 7.46741486773681 1629.85929382583 64.9478598336222 -42.9749543213423 157702.877982619 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 1997-Aug-17 00:28 00:02 Earth 0.449628827112051 0.449615170022043 0.449642484218799 20.7711695024004 20.7708842034051 2450677.519441756 1.79340721014649 694.733080362878 62.4616431636692 -11.4528606111657 209080.107236655 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 2005-Feb-23 18:42 00:05 Jupiter 1.78566873423503 1.78564418196794 1.78569328652212 10.3185447283746 10.2724717519108 2453425.279324108 5.26321106888497 1261.57518017056 212.937314746098 15.2221902884274 258439.458982146 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 2016-Dec-27 02:46 00:07 Jupiter 1.73669941521619 1.73668586616033 1.73671296427699 10.1392875757561 10.0910709613079 2457749.615084158 6.82620183879598 693.578227448842 215.167014693262 14.9431832421994 323148.100548505 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 2051-Sep-22 04:01 00:17 Earth 0.366852602323578 0.366693965116132 0.367011241506381 10.9024959322995 10.9018297269918 2470436.667202767 16.814743367342 8023.7470036581 66.170831376149 -9.67578876312234 91040.4748334506 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 2088-Sep-29 08:17 00:14 Earth 0.312892825487127 0.312737910342084 0.313047742013388 8.12655581658712 8.1255078722099 2483958.845097889 14.2931775904036 7794.28678837258 68.1631299558531 -7.76619351420431 53359.0964098297 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 2131-Jun-27 12:27 00:15 Mars 0.0991330981825999 0.0990822508317692 0.0991840232486299 12.5506273591651 12.5503972541662 2499569.018693221 14.8916179729953 5059.86913652515 44.2465452986978 -59.9052739823724 287416.987637551 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 2148-Jan-07 18:26 00:08 Jupiter 1.778620190621 1.77861309261815 1.77862728864792 10.2189597195252 10.1722509182498 2505607.268166143 8.05971978537924 536.589648774055 206.020294217737 54.76116698368 772977.569269829 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 2159-Nov-01 22:25 00:07 Jupiter 1.90463341058129 1.90461647136571 1.90465034983976 10.6548366663583 10.6130161002645 2509923.434132758 6.55320540274574 965.986481799938 219.644700279647 30.3273635927415 480613.494306581 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 2178-Nov-13 01:17 00:04 Earth 0.151655297843124 0.151633664675958 0.151676931978971 12.0279118464267 12.0264510459312 2516874.553295915 4.47975348300214 1236.83633326392 45.4559148893525 -29.3168974277788 203028.368977502 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 2184-Oct-25 05:08 00:03 Mars 0.0686494455016349 0.068639731154282 0.068659160176638 12.7982603760144 12.7979345215013 2519047.714202558 2.82908790600646 540.585528136462 81.6075809916617 -26.6777304925665 59496.9025418515 T 24 CATAB v2.0f-lin.ifort 2020-Jun-22 06:44:15 2020-Jun-22 06:44 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 08:26 UT (server date/time)   Site Manager:   Ryan S. 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