+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101610 (1999 CW7) Classification: Mars-crossing Asteroid          SPK-ID: 2101610 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2873788104767155 4.8071e-08   a 1.825679782930792 4.3964e-09 au q 1.301018098600753 9.0113e-08 au i 14.60648245112433 8.0382e-06 deg node 344.8568447069018 1.57e-05 deg peri 125.3043911869201 2.2922e-05 deg M 247.5091208856315 1.5666e-05 deg tp 2459282.046508780410 (2021-Mar-08.54650878) 3.9647e-05 TDB period 901.0218780306544 2.47 3.2546e-06 8.911e-09 d yr n .3995463470729976 1.4432e-09 deg/d Q 2.350341467260831 5.6599e-09 au   Orbit Determination Parameters    # obs. used (total)      1011      data-arc span      9915 days (27.15 yr)      first obs. used      1993-09-24      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49062      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:29:28   Additional Information  Earth MOID = .371285 au   Jupiter MOID = 2.81489 au   T_jup = 3.948  [ 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 16.2   n/a MPO417512   rotation period rot_per 3.845 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (1999) http://www.asu.cas.cz/~ppravec/neo.htm] 101610 (1999 CW7)          Discovered 1999-Feb-10 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ 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 1920-Jan-24 04:18 < 00:01 Earth 0.385648063388943 0.385647074398071 0.385649052452682 6.28287994947021 6.28178018305768 2422347.679242212 0.647347453681386 280.461443330812 14.219980050367 -80.2868394703185 1351079.75478114 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 1925-Feb-17 23:53 < 00:01 Earth 0.422344338519228 0.42234235393189 0.422346323171099 7.54465188692029 7.54381564768011 2424199.495131222 0.444536101309515 281.645350882425 15.6591563910316 69.6678566131218 1943171.4477261 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 1957-Jan-19 23:01 < 00:01 Earth 0.396936762326258 0.39693600710164 0.396937517573415 6.00157841497687 6.00045983762238 2435858.459088548 0.431423286571977 165.65298929025 14.2970055394126 -77.8030319134439 1235287.00019464 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 1962-Feb-15 09:43 < 00:01 Earth 0.405070350729674 0.405069266798979 0.405071434682751 7.43553415961278 7.43464946055428 2437710.904781271 0.256796680073451 165.147933019213 14.7381607345109 71.5715582546768 1900343.29685601 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 1994-Jan-16 15:27 < 00:01 Earth 0.408567133136025 0.408566769210407 0.408567497062688 5.68831791686752 5.68717132504217 2449369.143440118 0.163150718332669 61.5947454679967 15.169415189559 -80.4033736060982 1132412.09542497 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 1999-Feb-13 13:26 < 00:01 Earth 0.394628405319376 0.394627934609172 0.394628876030792 7.36723193174856 7.36631540174371 2451223.059775920 0.0740108790914683 49.2425893827704 14.1602765827702 66.6176224130868 1800244.73694608 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2031-Jan-12 16:07 < 00:01 Earth 0.422979144638618 0.422978372579273 0.422979916699597 5.23567310210134 5.23446981076963 2462879.171234169 0.261597078716878 60.3931891276835 17.4776322614138 -53.5642493142616 996805.545183605 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2036-Feb-11 07:24 < 00:01 Earth 0.383885345955156 0.383884948237308 0.383885743677935 7.26281453324834 7.26185880495187 2464734.808229439 0.168215601956702 109.689249096197 15.3049404089024 83.3336908566447 1869236.52849939 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2068-Jan-07 17:36 < 00:01 Earth 0.439598078192989 0.439596422771206 0.439599733620594 4.62090083705062 4.61958896471098 2476388.233291342 0.730673222234386 116.037467240404 16.5802186310982 -45.1187288295868 631147.992742575 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2073-Feb-08 03:51 < 00:01 Earth 0.376473693807607 0.376473212171224 0.376474175481547 7.18254955758847 7.18156412054503 2478246.660272722 0.369853922566273 236.478512653089 14.4953282167572 85.3481961138202 1815131.42821312 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2105-Jan-02 11:44 00:01 Earth 0.457411176050983 0.457408537340754 0.457413814762486 3.88546393364821 3.88396443349711 2489896.989216118 1.3539124578709 137.099289870865 23.0276651346546 -15.6666612526838 188513.811932416 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2110-Feb-07 06:34 < 00:01 Earth 0.371843772117986 0.37184338710215 0.371844157200804 7.0935483426718 7.092538115052 2491758.773671098 0.603650204794975 371.080622427281 14.2217387717354 88.0087527651921 1761085.90154741 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2115-Mar-02 16:24 < 00:01 Earth 0.492097827876699 0.492094637271163 0.492101018552585 7.93530436976806 7.93462200594713 2493608.183475928 0.583572330394746 335.643548225913 19.1345919687327 61.8788960731564 2071377.66727863 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2141-Dec-28 23:40 00:02 Earth 0.470849510696225 0.47084585853084 0.470853162892176 3.24948444936616 3.24774251338064 2503406.485850339 1.99021603384508 264.384854309311 28.9746392996611 46.3987549714423 594412.915742883 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2147-Feb-05 05:54 < 00:01 Earth 0.37104806382713 0.371047732307912 0.371048395421539 7.00767789460089 7.00665309295951 2505270.746076747 0.854006122759352 501.579344040493 14.0634548584759 -89.0048678746221 1710290.83940676 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2152-Feb-28 13:32 < 00:01 Earth 0.470796983625691 0.470792812231353 0.470801155178539 7.85921228919223 7.85849214483351 2507120.063690366 0.805254278069698 479.876963417125 18.2642607500301 64.3994454502543 2039527.41162938 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2178-Dec-22 18:07 00:03 Earth 0.488531500375282 0.488526947413945 0.48853605436699 2.47310242390933 2.47089608893785 2516914.254877729 2.66054904168073 1146.99017533423 21.421386923194 78.4628054708881 1666410.21190383 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2184-Feb-03 01:39 00:01 Earth 0.372214290606459 0.372213237307764 0.372215344287033 6.89528207780785 6.89424383250734 2518782.568480751 1.12135117776401 619.447746892006 14.1012307938689 -85.3100097378234 1639448.13772006 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 2189-Feb-25 12:54 < 00:01 Earth 0.453519866321683 0.45351498163472 0.453524751291706 7.78607785172889 7.78532324904645 2520632.037425533 0.996711068679571 616.627238769451 17.4260983075139 66.7865423881152 2028669.45334867 T 18 CATAB v2.0f-lin.ifort 2020-Dec-17 22:29:30 2020-Dec-17 22:29 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-24 20:23 UT (server date/time)   Site Manager:   Ryan S. 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