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(2020 WK1)
Classification: Apollo [NEO]          SPK-ID: 54090621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09771513131342377 3.3976e-05  
a 1.106714510534752 4.4612e-05 au
q .9985717568113776 2.6525e-06 au
i 9.426015059102422 0.0026575 deg
node 58.50449518765566 0.00010033 deg
peri 356.1862280499817 0.0013095 deg
M 216.1441998557582 0.0096677 deg
tp 2459170.432602772234
(2020-Nov-16.93260277)
0.0013363 TDB
period 425.2573544943222
1.16
0.025713
7.04e-05
d
yr
n .8465462059511696 5.1187e-05 deg/d
Q 1.214857264258127 4.8971e-05 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      4 days  
   first obs. used      2020-11-18  
   last obs. used      2020-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .40977  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-04 05:18:57  

Additional Information
 Earth MOID = .0112516 au 
 Jupiter MOID = 3.92905 au 
 T_jup = 5.607 
[ 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 27.448   .575 6 autocmod 2.8

[ 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
1915-Nov-22 19:53 7_00:14 Earth 0.0218519644003663 0.0155479052214714 0.128606169274252 5.306507500404 5.28347948869766 2420824.328271763 10093.5951705464 5602644.18559927 54.4363997704007 45.4750572195865 41373.822714682 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1929-Dec-03 14:39 8_16:53 Earth 0.186207659297012 0.0509637580931184 0.328179648205121 8.12310329941478 8.12134156703286 2425949.110540580 12533.0755679753 7135515.34403881 111.644707175743 9.62340471047122 29282.9348051796 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1936-Dec-12 04:23 7_02:13 Earth 0.339974814193341 0.208219226219357 0.4721007628998 12.0989030773635 12.0982552918369 2428514.682527427 10213.1481241739 6603110.7784898 177.049909619011 4.53991620979043 16506.8819805999 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1956-Oct-25 00:20 9_15:25 Earth 0.259233899829581 0.186143717781768 0.332317349642762 9.1123531921031 9.1112251718417 2435771.513841599 13884.8143101732 3643948.50912578 128.465266846205 0.442550827094853 1549.40837696352 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1963-Nov-10 19:26 4_08:17 Earth 0.116610553426271 0.0751741000438734 0.158255915317796 5.99432015253596 5.99050710062912 2438344.310039178 6257.16262046515 2086061.01821638 53.0697400700264 -6.53138293330822 26832.1841427862 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1970-Nov-19 10:39 16:05 Earth 0.0206197382972239 0.0143859125242734 0.0279911176822036 5.17984808382876 5.15484107284629 2440909.943829587 965.168710338721 417711.336708197 19.1111976578965 -33.4504958782881 68620.3841096432 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1977-Nov-08 22:27 1_07:13 Earth 0.133536436373873 0.120199683952559 0.146881190588715 6.29428606095508 6.29111521237731 2443456.435572331 1873.23899028639 667244.390998046 58.1558516285936 -4.68999477651873 19920.7076479323 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1984-Oct-23 06:30 1_14:51 Earth 0.286240049485105 0.272254550489377 0.300226040463097 9.81859583924387 9.81764774056066 2445996.770775652 2330.82469952285 697663.588199438 131.340090418154 1.82951283366337 7237.14706646476 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1985-Apr-05 16:46 2_18:31 Earth 0.220683934414186 0.220213010835621 0.221504888866845 5.03484788700259 5.03244928194034 2446161.198772140 3991.26869952946 439649.879560068 141.206873443788 -85.7632084655631 163149.249448138 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1991-Oct-05 03:43 1_12:49 Earth 0.448685798787128 0.435420548279404 0.461953590364242 14.3416489523872 14.3412348790997 2448534.654855676 2208.66063867251 663687.1440793 215.674455295697 4.63670701547739 18912.5241651942 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1992-May-02 08:38 1_22:24 Earth 0.208608500982493 0.207832045740743 0.209781142958624 5.78734300998044 5.78513559511181 2448744.859782540 2784.27759375068 456126.844972261 74.5609529975259 -83.8730277201227 306060.184224576 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1999-May-26 13:12 1_17:49 Earth 0.198400124763399 0.198133563555514 0.199057296704118 5.81326320694856 5.81095254320753 2451325.050289481 2508.86923683695 439782.451775906 28.2014045952035 -86.9975868558281 343362.896180727 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
1999-Dec-15 21:17 16:50 Earth 0.405147320893666 0.392704920393934 0.417594725730777 13.8552334604575 13.8547587891543 2451528.386723802 1010.00298893085 624625.944244707 209.249615161606 6.55219060869073 24594.4710030663 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2006-Jun-19 18:12 1_18:34 Earth 0.196469133427901 0.196403924245807 0.196800619773263 5.34058255922559 5.33804256527639 2453906.258028272 2554.25765310754 372723.131061587 128.522714258818 88.5334389360746 139160.23100916 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2006-Dec-06 19:48 15:08 Earth 0.241108973190888 0.230215264164865 0.252010571052973 9.41708588918467 9.41591231779373 2454076.325200321 908.346729705098 547756.982718945 124.589601738784 7.27782280236686 25736.9602419137 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2013-Jul-23 21:17 3_15:46 Earth 0.199705700106832 0.199697910503677 0.199768155348008 3.68955940268129 3.68594147090794 2456497.387125323 5265.68827588786 192203.224673811 185.383912076881 89.9883305037712 43076.5361508554 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2013-Nov-27 05:51 13:00 Earth 0.0928241310914485 0.0849851946728581 0.101013469902777 6.1470414696708 6.14237003399337 2456623.743571693 780.222690909796 490634.986964251 140.735373421265 35.3380652592038 45330.4378240165 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2020-Nov-20 02:47 < 00:01 Earth 0.0104903137108752 0.0104813811911721 0.0104992459496541 5.22564325262527 5.17680972304284 2459173.616023663 0.120389873490751 437.041816190728 14.2422304451442 -1.88802122340038 2126.44610878541 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2027-Nov-10 05:24 17:58 Earth 0.123267927472421 0.115243015250213 0.13129642667225 6.17976574589847 6.17626699351058 2461719.725037087 1078.23750210763 401631.195521657 51.169281118312 -4.97849039737703 22623.0543125115 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2034-Oct-24 09:09 1_08:23 Earth 0.285484410534328 0.272611858598579 0.298357937202408 9.87684195141344 9.8758969496224 2464259.881456913 1943.38466131903 642465.211734411 109.621111513104 2.53768791754222 12299.4794832971 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2035-Apr-08 18:27 2_09:49 Earth 0.216663027050898 0.215958539083047 0.217705848526184 5.1473526681248 5.14496296225764 2464426.268460911 3469.07241682333 429343.004160333 130.037455200292 -84.1476196420477 179576.669621305 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2041-Oct-05 20:24 1_14:41 Earth 0.45739767007652 0.441044212053662 0.473757068237478 14.6491410107038 14.648743350488 2466798.350111095 2320.53269555168 819760.277173124 160.560928176391 5.77834713601444 32950.0253845014 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2042-May-06 05:54 2_10:37 Earth 0.205156363709619 0.204352032334941 0.206651807483902 5.80860971175203 5.80637336687894 2467010.745597717 3516.94493758319 596899.035528879 55.9561880342239 -84.4753953119048 388267.401352175 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2049-May-30 15:07 2_20:10 Earth 0.198088201716379 0.198012298498151 0.19897702634471 5.78727178874373 5.78494708773677 2469592.130050042 4089.69477190552 703853.744803565 52.1439511570772 -88.4287283405203 253830.536258669 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2049-Dec-14 18:26 1_01:37 Earth 0.386179056181991 0.365677810856473 0.406685659993011 13.2139126471695 13.2133904905486 2469790.268160030 1536.92127417039 1024961.16851985 198.748364505017 4.05989768973221 15167.6944313427 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2056-Jun-26 06:04 4_05:21 Earth 0.200305122756828 0.200137741322751 0.20147863997167 5.10453428093596 5.10192767683125 2472175.752841739 6081.45193198648 751192.323892381 153.621608965408 87.6521579285422 117509.376865617 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2056-Dec-04 13:07 1_07:57 Earth 0.213800401664955 0.19102478132112 0.236629017509619 8.64302120969923 8.64157917904589 2472337.046783179 1916.76107080729 1149374.69096015 118.408060927889 8.42908789044096 27525.9871214857 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2063-Nov-25 06:31 1_13:55 Earth 0.0602484695385265 0.0564921669640472 0.100235330165808 5.63493505247396 5.62708124625201 2474883.771184561 2275.40959152048 3086500.21514414 185.732396931314 69.6925146467289 40162.5206996634 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2070-Nov-19 22:01 19:20 Earth 0.0122851356641498 0.010485422155291 0.0200945947880645 5.21147929606162 5.1696947273043 2477435.417447698 1160.36651625145 536978.392683495 11.0688168961365 -58.7238600651169 93747.9663535013 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2070-Nov-20 01:08 03:39 Moon 0.00992105842640865 0.00846471158350385 0.0186550543910405 5.2496784929838 5.24904919826332 2477435.546995199 218.605090687493 570970.065939774 9.5033194578479 -58.5658729318276 125143.891601681 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2114-Jun-15 13:11 5_17:59 Earth 0.19730555830578 0.195780270163984 0.203390150275227 5.47113348432031 5.46866463988978 2493348.049075036 8279.07142737361 1528172.8788246 188.023621235998 -82.8897194846515 112286.829662249 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
2114-Dec-10 13:58 2_13:55 Earth 0.289630443973164 0.246284853363848 0.333096529087379 10.5127205557525 10.5118454287124 2493526.081603348 3715.43580273345 2184431.70617737 159.329424794245 7.71693033374843 25212.1048830031 T 6 CATAB v2.0f-lin.ifort 2020-Dec-04 05:18:57 2020-Dec-04 05:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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