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(2012 KZ41)
Classification: Apollo [NEO]          SPK-ID: 3605164
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6033978832467319 9.7479e-08  
a 2.302891644651242 3.5545e-08 au
q .9133317009220971 2.1317e-07 au
i 1.635324795623228 1.7554e-05 deg
node 92.08035659944714 0.00030913 deg
peri 203.107641745012 0.00031186 deg
M 93.12156004037051 7.815e-06 deg
tp 2458670.315695328183
(2019-Jul-05.81569533)
2.1416e-05 TDB
period 1276.464329316675
3.49
2.9553e-05
8.091e-08
d
yr
n .2820290326426259 6.5297e-09 deg/d
Q 3.692451588380386 5.6993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      2564 days (7.02 yr)  
   first obs. used      2012-05-25  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4253  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-03 06:42:07  

Additional Information
 Earth MOID = .00959877 au 
 Jupiter MOID = 1.55085 au 
 T_jup = 3.320 
[ 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 25.2   n/a MPO477671  

[ 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
1903-Apr-14 00:28 < 00:01 Mars 0.0520875565572993 0.0520857072352843 0.052089405883122 12.5205255079742 12.5200865153151 2416218.519517770 0.525931178216942 98.3456541693264 70.0881170338853 29.6891743234264 88682.2433048299 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
1903-Sep-04 03:22 < 00:01 Earth 0.0580143662898886 0.0580121885366385 0.0580165440620215 13.6238728584386 13.6205013056514 2416361.640176280 0.668104547384086 124.052602791838 53.4285910710761 32.396119588117 98839.3434788767 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
1910-Sep-09 16:39 < 00:01 Earth 0.129677132276916 0.129672432891689 0.129681831671836 15.7145338300322 15.7132262582934 2418924.193469736 0.817374344021875 241.286018668053 54.6464072898513 14.1683567324104 106445.260547784 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
1917-Sep-20 12:40 < 00:01 Earth 0.296549152681039 0.29654330951258 0.296554995851352 20.743398313657 20.742965161684 2421492.028063437 0.747303985472176 293.812886300705 55.0443574318914 7.52835720558975 165532.030308829 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
1919-Apr-23 07:30 < 00:01 Jupiter 1.5121396580013 1.51213935701859 1.51213995898409 3.25177002660099 3.07468886726578 2422071.812518383 0.596373809970048 115.941517134162 23.1643827520512 89.7177269469024 4392022.11866356 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
1954-Jun-07 04:41 < 00:01 Jupiter 1.77139827092805 1.77139439713301 1.77140214472219 3.873145349767 3.74765564034233 2434900.694896343 0.425106261255621 192.954496421538 126.315601476807 35.2830795063284 609665.801324385 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
1979-Feb-10 10:17 < 00:01 Jupiter 1.81059764992268 1.8105930321177 1.81060226772869 3.68313435139075 3.55385018069268 2443914.928322973 0.489089759228549 244.631106061928 106.092608689143 26.6791575023468 1101771.87648585 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
1991-May-07 23:05 < 00:01 Earth 0.323787672777843 0.323785228226064 0.323790117329622 21.7846422456065 21.7842644948179 2448384.461820448 0.190944410206112 121.915119891631 6.35794910105261 -0.967896720959209 376256.932490947 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
1998-May-14 16:16 < 00:01 Earth 0.207894956631139 0.207892792031067 0.207897121231222 18.3624900608953 18.3617920775124 2450948.177456814 0.186120480903499 107.974927212282 4.82160974704583 -1.53053416638487 300116.944090729 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2005-May-21 03:39 < 00:01 Earth 0.124813810006455 0.124812384769102 0.124815235243866 15.6726767302749 15.6713145787726 2453511.652357260 0.14174160060756 71.1988582075147 3.62857411935691 -3.49501427053852 362479.631552944 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2012-May-31 19:26 < 00:01 Earth 0.0209300788910044 0.0209299661430224 0.0209301916390483 12.4425708250493 12.4323353020941 2456079.310058503 0.0260550206540788 6.00956045497201 3.05152279386968 24.2125165724681 609347.106546725 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2014-Mar-05 11:53 < 00:01 Jupiter 1.53407895783491 1.53407862728063 1.53407928838911 3.22550699416539 3.04952789389305 2456721.995313238 0.0886795585236895 127.554466991627 6.91755902976893 -89.6976408256931 1919070.35647587 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2019-Jun-03 23:43 < 00:01 Earth 0.00967576928874026 0.00967563026484377 0.0096759083126384 12.0267308714976 12.003811998077 2458638.487917807 0.0367097938741301 6.9375479425132 4.29721092696749 -2.76662878531501 207539.537086807 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2019-Jun-04 06:11 < 00:01 Moon 0.00946107429970135 0.00946093131039613 0.00946121728901087 12.7854188060068 12.7851478692293 2458638.757797709 0.0344987813662799 7.14307813081438 4.56496067479205 4.45821752841993 198837.62323826 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2026-May-25 22:02 < 00:01 Earth 0.0672072186527248 0.0672043976973551 0.0672100396109062 14.1524802339937 14.1496786292416 2461186.418008240 0.409593411327795 142.330517922344 3.44850407902568 -8.78075859351612 423672.319366277 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2030-Mar-18 17:50 < 00:01 Mars 0.0832337973320978 0.083231972181835 0.0832356224824032 14.625718134766 14.62548295889 2462579.242770880 0.399469989490998 91.0875823919443 48.6587902721777 2.75042756716705 135809.081458965 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2033-May-12 13:15 < 00:01 Earth 0.24384885891677 0.243845335264704 0.243852382569072 19.4532901873311 19.4527284868009 2463730.052120884 0.343245857783954 176.125605179235 4.16598936590448 -3.95123461169893 586103.744812137 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2040-May-06 16:20 < 00:01 Earth 0.374210847419281 0.374206696318267 0.374214998520487 22.9061595741651 22.9058487271873 2466281.180276475 0.369509646241593 207.461003179027 4.40572926274491 -3.83625279590976 821974.996657117 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2047-May-04 17:20 < 00:01 Earth 0.425440645381905 0.425436037518205 0.425445253245847 24.3856499206926 24.3853930933074 2468835.222024625 0.394973273428209 230.298125109856 4.33839932913342 -3.86899833255079 953293.257307606 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2054-Aug-25 23:58 < 00:01 Mars 0.0182777128869042 0.0182765421677672 0.0182788836272329 13.3572523311205 13.3560796328887 2471505.498607228 0.567389142466653 76.9218510720215 45.8215123894326 54.163190403119 52535.1049018248 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2073-Jul-08 02:44 < 00:01 Jupiter 1.53936383062524 1.53936369102382 1.53936397022771 3.21374298026667 3.03770638728143 2478396.613861788 0.802101144505732 129.1119981731 11.0644942180033 88.789136177245 2515216.31371393 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2130-Nov-12 02:27 00:01 Mars 0.0341892197309422 0.0341813323552502 0.0341971074988791 13.6174140878824 13.6167991487094 2499341.601778932 1.25392031044849 434.393607966777 54.291100618431 -25.3290454855149 41454.5606711236 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2132-Oct-29 01:17 00:01 Jupiter 1.54375442304238 1.54375402539499 1.54375482068986 3.22449560403596 3.04959307760984 2500058.553235570 1.079809166779 129.59118787905 10.68411704008 89.5935735953274 2249166.09992017 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2141-Sep-29 11:11 < 00:01 Earth 0.345380365110258 0.345372969510778 0.345387760713035 22.4001336597935 22.3997892563847 2503315.966278331 0.846274556461908 372.66623059669 43.3697450173859 8.33547147264776 199614.524271189 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2148-Sep-15 23:23 < 00:01 Earth 0.131929685577247 0.131925533559689 0.131933837609984 16.062592712743 16.0613353193306 2505859.474518573 0.731814610465756 219.177534055912 39.7759471051091 19.4974383000788 168397.445460018 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2155-Aug-30 21:04 < 00:01 Earth 0.0334199651137199 0.0334186347838776 0.0334212954443107 11.5338472209818 11.5269326956961 2508399.378045370 0.356986894639546 66.8348023458079 16.0910887200829 -7.17701022078686 85683.2741814689 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2162-Aug-19 01:52 00:01 Earth 0.0635861298052322 0.0635834443231739 0.0635888153305195 10.3792108965199 10.3751728611624 2510944.577971153 1.18373201941657 159.53309462693 40.2626022840152 -34.1645138026972 142754.12083007 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2169-Jul-23 15:38 00:03 Earth 0.107515082567157 0.107514226993433 0.107515938145861 10.2806458053505 10.2782349370184 2513475.151340901 2.74550838673648 74.756916685871 34.3015602541518 -67.5523148474402 390986.206258633 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2176-Jun-03 19:45 00:02 Earth 0.0137234243231187 0.0137159986902029 0.0137308517958448 12.5384687800563 12.5229744150043 2515982.322902347 1.73782329993861 447.235851923564 5.33330715810483 -34.1125807343777 221513.928273127 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2191-Dec-28 08:04 00:14 Jupiter 1.62278151321178 1.62276392059205 1.62279910583252 3.31428649584693 3.15286862249595 2521667.836017097 14.1020358265469 878.706930472008 53.1862104558751 18.9221980162719 2130947.77692294 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
2200-Jun-16 04:40 00:20 Mars 0.0420414757729529 0.0418805486739156 0.04220249958711 13.8229697251062 13.8224770794969 2524759.694440600 19.7599791971833 8634.06356806039 29.7182043066466 -21.6104533820448 77358.2921907271 T 12 CATAB v2.0e-lin.ifort 2019-Jun-03 06:42:09 2019-Jun-03 06:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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