+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   52768 (1998 OR2) Classification: Amor [NEO, PHA]          SPK-ID: 2052768 [ 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 306 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5730839066521835 3.0308e-09   a 2.38443523286056 3.3205e-09 au q 1.017953774453721 6.9945e-09 au i 5.865877303302812 1.9175e-06 deg node 27.01552647444624 4.7785e-06 deg peri 174.5661481723819 5.9952e-06 deg M 12.10138707917709 7.1487e-07 deg tp 2458955.292616229312 (2020-Apr-15.79261623) 2.6673e-06 TDB period 1344.858903443528 3.68 2.8092e-06 7.691e-09 d yr n .2676860740396004 5.5916e-10 deg/d Q 3.750916691267398 5.2235e-09 au   Orbit Determination Parameters    # obs. used (total)      5235      # delay obs. used      3      # Doppler obs. used      0      data-arc span      12131 days (33.21 yr)      first obs. used      1987-06-30      last obs. used      2020-09-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .21369      source      ORB      producer      Otto Matic      solution date      2020-Oct-14 07:45:57   Additional Information  Earth MOID = .0154377 au   Jupiter MOID = 1.20745 au   T_jup = 3.286  [ 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 15.8   n/a MPO422042   diameter diameter 1.75 km 0.3 Arecibo initial assessment April 16-22, 2020 (S. Marshall, P. Taylor)   rotation period rot_per 4.1120 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Koehn, B.W.; Bowell, E.L.G.; Skiff, B.A.; Sanborn, J.J.; et al. (2014) Minor Planet Bull. 41, 286-300.] [Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.] 52768 (1998 OR2)          Discovered 1998-Jul-24 by NEAT at Haleakala Reference: 20030216/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 1904-Jun-30 04:59 < 00:01 Jupiter 1.23002328646886 1.23002313293638 1.2300234400014 3.88323273906766 3.70165506179147 2416661.707780401 0.0740753314893991 19.7483986620653 3.41741155650575 71.642843392082 20317598.3491267 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 1906-Jun-03 08:13 < 00:01 Earth 0.375360912488155 0.37536004670875 0.375361778267581 18.7670463002101 18.7666680564592 2417364.842243804 0.0802574629553696 43.487855213151 3.36069569033787 6.93165299101524 2070559.03204088 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 1917-Jun-07 23:36 < 00:01 Earth 0.420758551594294 0.42075828626278 0.420758816925808 20.499960363658 20.4996514553021 2421387.483156701 0.0231238452243214 13.4928023322482 3.22154710740257 11.6518498291888 5287112.19969003 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 1928-May-28 05:40 < 00:01 Earth 0.258599815281382 0.258598532862835 0.258601097700149 15.7975326355629 15.7968804009374 2425394.736207432 0.143162994081485 65.0720699681931 3.03049205673894 10.6843807012027 2094025.2280962 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 1939-May-17 01:57 < 00:01 Earth 0.135639527629446 0.13563757902901 0.135641476232203 11.8973196121845 11.8956683839796 2429400.581471198 0.333579966144382 101.129113403929 2.58178901662005 16.1127287200677 1876059.04219618 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 1950-May-30 00:03 < 00:01 Earth 0.308902823071938 0.308900998853062 0.308904647291007 16.7770188709572 16.7765047298351 2433431.501823480 0.190226496526695 91.8483632372133 2.91726134846426 7.96425786120045 1929040.29359673 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 1952-Feb-26 08:22 < 00:01 Jupiter 1.2315012714734 1.23150104481225 1.23150149813461 3.94174631399189 3.76321280229438 2434068.848317226 0.133630604717797 21.5190873931726 3.13702912051007 -62.5923032335128 27581466.4004459 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 1999-Nov-29 14:37 < 00:01 Jupiter 1.65752058430067 1.65752006830424 1.65752110029709 5.2163655181037 5.11746359307686 2451512.108821558 0.0668931186546647 25.837894626001 5.56439396979093 -17.5509413144234 7807899.81804606 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2009-Mar-12 01:47 < 00:01 Earth 0.179453436127174 0.179453036840927 0.179453835413462 11.8905432677859 11.889294500001 2454902.574583985 0.0620061176240452 20.3690794409824 2.45106411313707 -12.2941941547845 2187419.84191367 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2011-Feb-18 01:06 < 00:01 Jupiter 1.42903656014424 1.42903618638402 1.42903693390447 4.49932618704069 4.365603118352 2455610.545584067 0.0306359035943336 20.9455729080715 4.5544074606715 33.8647644320471 11753335.3447559 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2020-Apr-29 09:56 < 00:01 Earth 0.0420484946136719 0.0420484764258072 0.0420485128015365 8.7015847902239 8.69429952462648 2458968.913767849 0.00645574884668718 1.97652724663012 0.906381048000584 -89.2042136989403 6201512.3101265 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2031-May-18 06:56 < 00:01 Earth 0.127113864550948 0.127113492796607 0.127114236305419 11.5959281286945 11.5941203395524 2463004.788785559 0.0709054246120952 19.6098689770386 2.68427434194426 19.2386015423773 2152407.54873304 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2042-May-30 22:47 < 00:01 Earth 0.265008593948412 0.265007992260407 0.265009195636461 15.8584562676222 15.8578222516898 2467035.449199763 0.0706563802860163 30.5607936905457 3.07593845346504 11.0248871466429 2383506.74528543 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2058-Dec-04 04:25 < 00:01 Jupiter 1.19951073350953 1.19951066575729 1.19951080126177 3.8729696498721 3.68613807365896 2473066.683784129 0.0721422982662456 13.59362899486 1.77207480208224 -79.3170738907898 32543823.5548682 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2068-Feb-28 15:25 < 00:01 Earth 0.334591699293348 0.334590793485493 0.334592605101241 17.0704765237518 17.0700100174832 2476440.142258462 0.0899865395285045 45.5541749063914 2.55784739287519 -7.48253160218699 2359242.68677825 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2079-Apr-16 13:31 < 00:01 Earth 0.0118494676410355 0.0118494363146739 0.0118494989752186 8.16985954157056 8.14228982358852 2480505.063079913 0.339975609747483 20.3221566884631 1.03273435199176 86.6869428368024 1744847.02222602 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2079-Apr-16 14:37 < 00:01 Moon 0.0091925185584981 0.00919248746661821 0.0091925496592386 7.26821403428286 7.26772349792337 2480505.109358600 0.352853390090964 19.2434272760723 1.03958057890217 86.5670650478557 1321525.33237429 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2090-May-17 12:09 00:04 Earth 0.114956133351745 0.114934866803175 0.11497740047969 11.1407959099801 11.1387152335497 2484554.006460464 4.3302206916372 1135.90860635643 2.73383162782489 21.0142234451914 1940329.71187018 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2101-Jun-10 21:27 00:03 Earth 0.405314046866419 0.405281799888614 0.405346293886294 19.8490091719205 19.8486779756083 2488595.393577439 2.91806579020071 1621.15229720637 3.53569927241884 7.30465266990922 1906663.509794 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2106-Oct-16 06:49 00:02 Jupiter 1.80431071885533 1.80430013630944 1.80432130139947 5.7351950136422 5.65274926076504 2490548.783728852 2.21923066508904 519.937616333428 5.5967546151607 -10.9581525895481 4148865.33551905 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2118-Jan-22 04:03 00:03 Jupiter 1.27970564029434 1.27969949342413 1.27971178719211 4.0976822794123 3.93283904514225 2494664.668464835 2.71267203364744 430.649200356165 3.49517760900296 49.0964819829463 16508011.2911338 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2127-Apr-16 14:51 00:16 Earth 0.0167849136320783 0.0167797812824996 0.0167900643406634 8.0359101794406 8.01613169739276 2498036.118466546 15.779217402568 913.180700821767 0.953732586117526 73.695656434864 2607728.39498702 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2138-May-20 22:04 01:51 Earth 0.120797106373631 0.120240237172993 0.121354388197578 11.3703482002479 11.368408122593 2502088.419376662 110.730256426272 29927.2761879103 2.87281418905874 21.8574377962579 2010105.07919854 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2149-Jun-05 08:37 01:29 Earth 0.283859845525612 0.283020626786339 0.284699175787853 16.4834589622836 16.4828894966169 2506121.858859738 89.1914648693728 42781.3780502705 3.38870182081132 11.9793163933181 2234600.94883785 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2165-Nov-21 06:14 01:03 Jupiter 1.3411166687103 1.34094478704673 1.34128855744378 4.29336396636173 4.14364743587248 2512134.759594877 63.4860871353883 9897.6398259226 4.07508585769466 -37.1350373665148 12919770.4190177 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2175-Mar-09 16:06 01:48 Earth 0.26060121564004 0.259603670308262 0.261598838094831 14.6646272499681 14.6639300213326 2515530.170698520 108.251052357542 50245.3135509883 2.41669704955422 -8.10936926611307 1903184.54010548 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2177-Mar-02 19:39 01:07 Jupiter 1.68933223687595 1.68903522445131 1.68962925289222 5.35846124539778 5.2640590023469 2516254.318792275 66.9846872824917 15321.6174349505 4.6919897285525 21.6882519459105 9344271.99293385 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2186-May-27 16:56 02:10 Earth 0.182391328077648 0.181498124332278 0.183284940639588 13.0370744418317 13.0359538519651 2519627.205521743 130.072319646638 46585.2982465795 3.12956856904815 17.0102571669672 2153100.55468377 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 2197-Jun-18 12:30 00:48 Earth 0.472666944114779 0.472111706733238 0.473222189458438 22.0373599033885 22.0371041036585 2523667.020735058 47.7421291325774 27856.1268954653 3.89433851511192 6.31248868843005 1767735.39031908 T 306 CATAB v2.0f-lin.ifort 2020-Oct-14 07:46:14 2020-Oct-14 07:47 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-28 15:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin