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(2021 KQ2)
Classification: Aten [NEO]          SPK-ID: 54150701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1132375394761839 1.6662e-05  
a .9128653140129787 1.3378e-05 au
q .809494691980995 2.7073e-05 au
i 3.296959482829707 0.0006726 deg
node 248.3729677042937 0.00051671 deg
peri 173.4198676438621 0.00031754 deg
M 224.5860785674884 0.00081824 deg
tp 2459516.331031967343
(2021-Oct-28.83103197)
0.0033382 TDB
period 318.5726478628238
0.87
0.0070028
1.917e-05
d
yr
n 1.130040517963785 2.484e-05 deg/d
Q 1.016235936044962 1.4892e-05 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      2 days  
   first obs. used      2021-05-31  
   last obs. used      2021-06-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .27516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-03 05:50:30  

Additional Information
 Earth MOID = .00175043 au 
 Jupiter MOID = 4.10013 au 
 T_jup = 6.531 
[ 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 29.96   .35137 E2021N14 autocmod 2.9c

[ 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
1977-Jul-02 23:15 7_10:18 Earth 0.389546093095986 0.149572106029832 0.634558718114257 13.4099768634553 13.4094667888115 2443327.468903074 10697.574118036 12292949.1799732 193.188874092385 -8.12417194500074 31493.1488733076 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2012-Feb-13 02:56 3_06:17 Venus 0.0967848856889165 0.0967023997302659 0.101941629887151 4.2664817880917 4.26121968428647 2455970.621922498 4697.00083461335 1411226.87291442 43.0349118952616 -87.6427337359813 186912.865603399 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2013-May-26 21:42 1_09:39 Earth 0.0132658143583654 0.00944100441507443 0.017205317547643 2.59228412638098 2.51360913475264 2456439.404497421 2019.12519756519 203398.500655804 13.9559299207974 18.0532728850259 48239.3459494151 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2020-Feb-28 13:01 02:48 Venus 0.129069219221305 0.128745919390085 0.129399552361259 4.13981719182331 4.13575108829558 2458908.042075882 168.056588873156 50250.9132018363 16.3711257472061 71.0551973002963 1731107.63210017 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2021-May-30 10:05 < 00:01 Moon 0.00125763743991226 0.0012571619294283 0.00125811377183924 3.60696014925683 3.5997281632967 2459364.920018552 0.142017681082675 56.0235686794895 0.544792709076719 64.8988549343039 193090.309607459 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2021-May-31 05:43 < 00:01 Earth 0.00118536269267558 0.0011849167490598 0.00118580875341516 3.15231341680885 2.33269035981987 2459365.738388108 0.182812549600509 33.2784529341942 2.29722514443796 -84.1786719763228 244741.707799545 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2028-Jan-17 12:44 20:36 Earth 0.146297619065735 0.145481852363582 0.147117498124507 3.59138460097717 3.58630978695391 2461788.030457535 1235.7245760677 56225.5951845718 25.4733985957989 -43.895175991686 211201.410376359 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2028-Jun-16 19:43 00:10 Earth 0.123273379552167 0.120583895726861 0.125965345818 5.73166925619459 5.72789696793987 2461939.321541345 10.0152278998925 136983.700499808 40.4813164472777 -11.8577297981956 64099.1742566391 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2030-Aug-04 08:33 13:18 Venus 0.107206510010316 0.105753274494952 0.109106507844825 4.05342015189245 4.04841987424993 2462717.856417342 797.58798675845 355471.075896051 7.93499116489101 76.3657427988148 957962.756730687 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2034-Apr-29 12:47 04:24 Earth 0.427082781908947 0.423211425779392 0.430954380804335 14.7780413217018 14.7776191495125 2464082.032605087 264.375417905312 193721.523208749 38.1698997694262 4.78829811911202 107544.245758668 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2034-Nov-30 17:26 22:46 Earth 0.176950346922781 0.176633816148616 0.177276766837123 5.08441365579188 5.08145123599986 2464297.226403872 1365.56426725038 67903.4138746874 3.49140340062433 -76.3679369295677 3112650.46124328 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2035-Jun-13 12:55 03:04 Earth 0.304596433114864 0.300599816852245 0.308593701873176 11.1962982945895 11.1955169758576 2464492.037979487 184.104048213367 200547.408934217 64.1451589803928 -6.4234389667347 56814.8700652571 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2041-Jan-23 15:30 23:04 Venus 0.124183551029491 0.121660709947355 0.127682799001953 3.96171132616406 3.95729496910283 2466543.145816630 1383.51416065428 570074.739439545 17.7947092950765 74.6596235850972 1055336.71391958 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2041-Apr-21 18:40 04:09 Earth 0.240141937061047 0.235382671869617 0.244903677890695 9.06022641248128 9.05900169857132 2466631.277516446 248.580608822178 240481.000782686 16.5006097697335 9.27615852832205 244856.113412164 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2041-Oct-16 05:56 1_05:36 Earth 0.173295499994508 0.172772080905192 0.17383699200572 4.53967418958697 4.53628604072821 2466808.746906710 1776.41876540338 92189.8874998411 23.228828609997 73.3254316490985 502903.594744128 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2042-Jun-06 07:11 04:12 Earth 0.490256163517697 0.485650730411114 0.49486196781135 16.8303264654914 16.8300035410473 2467041.799029341 251.662006082042 230646.648238591 92.1218671934655 -5.31276884723814 58187.0183404041 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2048-Apr-23 11:46 17:30 Earth 0.0639731347953107 0.0599545747591226 0.0680579213920728 3.49480311646478 3.48286503855882 2469189.990558883 1049.94906638732 226701.483797564 19.6018161638907 27.3846643145325 140498.825445032 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2051-Jul-05 01:07 02:22 Venus 0.108810079957356 0.108379203219509 0.109261091640614 4.05749422915473 4.0525726397732 2470357.546417638 141.913024463824 77059.9369384491 7.23920910254746 73.4227735651281 486150.563086233 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2055-May-22 09:10 2_06:44 Earth 0.00986851936491287 0.0070198339265134 0.0129795261234559 2.37113962284387 2.25439733515786 2471774.881840346 3284.13391490654 170012.37709506 19.0278398307633 27.5297437356336 36588.0988264677 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2057-Sep-06 01:15 8_02:34 Venus 0.146080811185714 0.138673882001002 0.17408235552054 4.10549776650924 4.10187532323397 2472612.551935032 11673.6425821805 2958659.02072788 53.0357422654512 71.6687430661018 379775.092837942 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2063-Jun-14 16:16 04:08 Earth 0.15020328186984 0.0266945645271521 0.325261966181403 6.32351464094473 6.32070875010992 2474720.177758598 247.491997313173 8792192.62108712 65.1300867455767 -10.2944299820298 41087.5149701898 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2070-Apr-21 13:05 9_15:02 Earth 0.298358304101166 0.0480046824776962 0.565517675085594 10.6248249142849 10.6239843525331 2477223.045478276 13862.0763986517 13383839.8912753 17.7676991682297 7.64008403873265 241152.408968829 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
2071-Jun-09 14:53 7_08:15 Earth 0.355827310061016 0.0904821665289981 0.624934910642841 12.5091097486512 12.5085111205936 2477637.120457256 10575.2286783924 13450137.9212667 104.543758229083 -5.19634628213669 33543.88336537 T 4 CATAB v2.0g-lin.ifort 2021-Jun-03 05:50:30 2021-Jun-03 05:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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