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(2017 YZ4)
Classification: Apollo [NEO]          SPK-ID: 3795061
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458200.5 (2018-Mar-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4087248564137052 8.7698e-05  
a 1.46993290840975 0.00018021 au
q .8691347914821949 2.2357e-05 au
i 2.173419161534706 0.00076921 deg
node 94.74912614218269 0.00032537 deg
peri 55.20263988722618 0.00093164 deg
M 24.47955081680354 0.0038846 deg
tp 2458156.236511365719
(2018-Feb-06.73651137)		 0.001117 TDB
period 650.9456005787104
1.78		 0.11971
0.0003277		 d
yr
n .5530416054428343 0.0001017 deg/d
Q 2.070731025337305 0.00025387 au
   Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      3 days  
   first obs. used      2017-12-25  
   last obs. used      2017-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   fit RMS      .33799  
   data source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-30 06:31:02  

Additional Information
 Earth MOID = .0012412 au 
 Jupiter MOID = 2.93915 au 
 T_jup = 4.509 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.1 mag n/a MPO431426  

[ 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-13 07:39 17:41 Mars 0.0500470193772174 0.0407776001377175 0.0989446388456967 12.7172936429208 12.7168438206531 2415670.818954403 1060.77271561223 3048633.85397027 13.5736043819685 -54.5675707079316 445455.634213814 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
1903-Apr-30 20:11 1_00:53 Earth 0.12960202171111 0.0871585127298728 0.174076014420578 13.0289009739046 13.0273229299399 2416235.341001650 1493.39674512895 2313735.08680261 49.1149786672275 -19.2829811514405 116006.541630518 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
1950-Apr-25 16:53 2_09:26 Earth 0.0688265774003947 0.043731768449374 0.140792911756135 10.962826546582 10.9592946855771 2433397.203649139 3445.95445770268 4023495.36990958 50.016623586963 -39.4651668699946 119427.7345887 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
1957-Mar-13 22:20 1_02:41 Earth 0.119464211564133 0.117607016285072 0.121321671403026 7.56712770090386 7.56417969684583 2435911.430504342 1600.55615242412 93040.9522525711 46.8747698853778 4.93525461311493 94835.3878985196 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
1979-Jun-23 16:47 1_00:25 Mars 0.0978633351926824 0.0497680033765554 0.179693945847394 13.6812748784609 13.6810610512361 2444048.199219749 1464.49785273164 4408208.91343457 74.4127120231347 30.5680693305365 98470.4741269132 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
1990-May-15 12:37 1_04:00 Earth 0.370412597877304 0.278573453353489 0.462426704140045 20.2451705433 20.2448152320328 2448027.025899647 1680.31997931126 4601555.58454347 47.5586561347645 -4.86047078312837 87850.0876107269 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
1997-May-02 22:33 1_12:04 Earth 0.155475229783472 0.0836457182801837 0.230765241711288 13.8225573250527 13.8213174377051 2450571.439375923 2163.6810387518 3847146.35062336 48.1920394230924 -15.4158802721281 113512.732998319 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
2004-Apr-13 18:35 2_18:21 Earth 0.0592632684615648 0.0429767983307724 0.0925078631187489 8.1959192430525 8.19043174347742 2453109.274458408 3980.85024056755 2050638.28384195 53.4580854130539 46.4814726609952 122736.11793175 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
2017-Dec-28 08:39 < 00:01 Moon 0.00175295717165589 0.00175265697165325 0.00175325782920441 10.2396280656727 10.237802060478 2458115.860127819 0.0710046371462895 47.1339213131542 0.520046238810961 71.5006745367755 478702.291887894 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
2017-Dec-28 15:50 < 00:01 Earth 0.00149483846589914 0.00149391234886602 0.00149576453793429 9.5699116569446 9.38180702648138 2458116.159527423 0.00857380840423549 44.2958529944312 0.503946657053299 0.0142320966586755 2997.14984418061 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
2018-May-22 12:46 00:32 Earth 0.471796324869284 0.471492337955096 0.472100317269763 5.37949251821561 5.37844259176131 2458261.032179135 32.0590935664219 15369.6213725511 115.22124233614 -9.66819496857911 74122.3902521004 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
2025-May-12 11:24 07:33 Earth 0.352015607079373 0.328113119514139 0.375925270833998 19.7922608732584 19.7918784368534 2460807.975284212 453.433441585471 1194731.13946085 61.5798632465967 -3.8117709025091 50436.5773112323 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
2030-Apr-06 23:23 10:17 Mars 0.0664618644984891 0.0416237279436558 0.0984318823364555 13.3988498206204 13.398528327742 2462598.474093959 616.77770478529 1793453.2802097 98.8722455692566 33.6820161373434 55120.9537573578 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
2042-Dec-06 12:47 1_01:07 Earth 0.324817563897133 0.243637419095937 0.406011996969909 19.2578492881965 19.2574233271637 2467225.032345357 1507.12116711794 4049906.93896074 10.9436808867519 -1.5184497003696 106251.276735929 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
2050-Apr-21 03:01 3_03:15 Earth 0.0417168636553992 0.034784285352846 0.115206075258537 10.070979608484 10.0646355701315 2469917.625890383 4514.52116108403 4329025.362237 67.9104029590607 -56.5159241957271 71615.5726945668 T 3 CATAB v2.0e-lin.ifort 2017-Dec-30 06:31:07 2017-Dec-30 06:31
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