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JPL Small-Body Database Browser
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(2017 SS12)
Classification: Apollo [NEO]          SPK-ID: 3781737
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 .3424589646731742 9.9601e-05  
a 1.227666261531045 0.00012064 au
q .8072409446429368 4.2957e-05 au
i 1.198925646130281 0.00030519 deg
node 1.269472758128169 2.1844e-05 deg
peri 283.7278726968211 0.00018608 deg
M 30.75482431924001 0.11379 deg
tp 2458958.054695075586
(2020-Apr-18.55469508)
0.15079 TDB
period 496.8426941470024
1.36
0.073238
0.0002005
d
yr
n .7245754123808966 0.00010681 deg/d
Q 1.648091578419153 0.00016196 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      7 days  
   first obs. used      2017-09-25  
   last obs. used      2017-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .44668  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-26 06:23:45  

Additional Information
 Earth MOID = 2.09696E-5 au 
 Jupiter MOID = 3.5102 au 
 T_jup = 5.151 
[ 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 27.1   n/a MPO435136  

[ 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
1929-Oct-08 13:33 2_08:56 Earth 0.284231871399396 0.212231701224621 0.356242229102128 18.5573217937509 18.5568166323085 2425893.064498265 3415.53518785187 3591613.93430922 23.3786307076763 -1.37219004368887 37752.1244859682 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1945-Mar-28 04:59 8_23:08 Earth 0.264053226184993 0.0331980576883032 0.495773438552325 17.9421736412874 17.9416112318107 2431542.707379430 12907.8020570945 11557995.6593216 26.9541486776914 1.85227427362378 40965.9307186902 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1954-Oct-04 06:05 6_07:40 Earth 0.186224908492679 0.0479794160630149 0.32445216190927 15.632670692996 15.6317554126817 2435019.753397900 9100.30980654587 6892676.35231328 27.0298960336584 0.100875712685188 1331.10201712025 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1962-Nov-07 22:56 5_22:09 Earth 0.432681161316118 0.419227498273059 0.446138256527577 8.05788613006869 8.05712186529894 2437976.455879734 8529.40206680556 673711.792300964 61.3347800226992 5.14379473385618 91770.2065892534 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1965-Feb-14 00:51 09:46 Venus 0.127399610622943 0.116066435928879 0.138737662089223 6.95714136928949 6.95469091555502 2438805.535153227 585.920678116813 566626.558759484 21.5458324951075 4.31776455967213 49697.795005739 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1966-Apr-10 04:46 1_21:43 Earth 0.0243582851747742 0.00710620218933919 0.0543539750687257 10.7999227506109 10.7897894999037 2439225.698768543 2742.53933350533 1525436.35188576 17.6511223197889 17.0093943467612 53351.4012889615 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1970-Mar-21 09:00 10:45 Earth 0.421446973423587 0.405946043093844 0.43694817964881 22.6783832089737 22.6781044300114 2440666.874952111 644.612070468475 773162.607442633 35.6431506678251 -1.29561630000477 36222.451862413 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1972-Feb-16 03:37 16:36 Mars 0.0562565958584669 0.0503531880715957 0.0622031212424371 4.95867598851296 4.95764959959175 2441363.650755002 996.296613735478 305494.988923589 61.4404167941362 -14.6614236238795 29481.8531875383 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1975-Oct-10 16:19 03:43 Earth 0.305536827874459 0.300288546125474 0.310786393244922 19.1916922938858 19.1912378914393 2442696.179631393 222.745592991734 263599.022618787 62.7038384421008 6.81375072341031 79695.6812925341 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1979-Sep-15 01:34 2_23:58 Earth 0.0906161014480915 0.0711556788206786 0.110095982437546 7.48769844724105 7.48377043740473 2444131.565262104 4317.80003670762 973154.770590207 33.3713806208148 3.45007820517249 29755.931884638 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1983-Nov-09 00:59 9_19:20 Earth 0.432654997798079 0.417216635320096 0.448098641339849 8.10381864686752 8.10305866840796 2445647.540666304 14119.530616663 773661.415589124 53.1781654091364 5.51838187887145 122389.378578299 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1984-Oct-20 20:55 3_06:29 Venus 0.102048751429696 0.0700101050702696 0.134531503122132 5.81705479231478 5.81339552012084 2445994.371592851 4709.30659236355 1643416.50078716 65.2853309794321 11.3960869894488 43871.1281802288 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1985-Jun-24 11:33 7_15:01 Mars 0.0116185410462297 0.00886525388087666 0.0239233578154332 4.36547288764843 4.35982476219271 2446240.981047799 10981.298773363 733799.766167681 42.6092175774382 49.7708217161613 29907.1336953969 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1987-Apr-06 21:30 2_05:00 Earth 0.0852410780634317 0.0438670975598451 0.126798444226012 12.6147950517078 12.6123169114439 2446892.396056215 3179.57522878144 2077109.97974841 9.62508157599786 4.81280892141435 105955.353524398 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
1996-Oct-04 10:56 1_20:43 Earth 0.18291709091499 0.138906308358356 0.226927292607153 15.5304982250686 15.5295602618733 2450360.955812321 2682.8405266869 2194565.10206411 2.69260378172026 -0.326577030281597 50491.5941963244 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2004-Jun-17 15:50 2_18:38 Venus 0.112409097436266 0.0785332898848237 0.146803789100364 6.46911568430882 6.46612876947311 2453174.159769828 3997.73092206497 1744332.1735356 120.24850982872 12.1651626861616 18957.5973916022 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2004-Nov-20 18:30 8_22:06 Earth 0.496398990883241 0.483331361564373 0.509467233479901 9.22289985749674 9.22231785120862 2453330.270710240 12846.0971247105 652225.751357351 40.3032651445676 2.33592082568157 89782.9660053281 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2008-Mar-28 13:40 22:47 Earth 0.259239089738765 0.234273207543056 0.28420677485633 17.8276500831117 17.8270735492896 2454554.069543915 1367.04220677678 1245459.24025878 9.60789934326711 1.62033910799604 98812.2158339874 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2013-Oct-15 23:24 08:25 Earth 0.420112296564154 0.408955272603908 0.431269359217738 22.6594831585211 22.6592032606174 2456581.474670222 505.30924606216 556392.966656018 5.0632725080148 -0.720927029922857 144179.621333431 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2014-Dec-15 01:16 12:29 Venus 0.12039920070934 0.112622848950167 0.128183267540198 6.7725935198652 6.76992987854794 2457006.552596280 748.80765083144 390934.19533089 50.753953062204 7.26354989264688 38966.0568102142 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2015-May-19 10:30 04:55 Mars 0.0811419199953924 0.075983270171626 0.0863045833525269 5.39155174711413 5.39089730161088 2457161.937242833 295.442350364529 258909.913790932 56.996371984949 -6.32336374432954 20445.7639425318 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2017-Sep-24 07:38 < 00:01 Moon 0.000320066853129314 0.000319715429558857 0.000320423782553814 9.66039150740152 9.64978623579112 2458020.818155059 0.417545011365963 68.6332413572893 0.91278638120008 -75.0822097891322 49044.6587724275 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2017-Sep-24 15:32 < 00:01 Earth 0.00172031021154646 0.00171891865816875 0.00172170170136539 10.3124038012384 10.1611022558762 2458021.147558667 0.043022476567762 67.371384429991 0.797173679129804 -0.00865137893187873 2388.50408261032 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2024-Mar-25 07:08 13:30 Earth 0.461121997361504 0.442638622987321 0.479606049335029 23.8530115120229 23.8527692666424 2460394.797172966 809.749354564678 922129.429407035 15.9373637255884 1.75339757444998 117218.208180919 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2028-Apr-21 18:17 2_21:32 Earth 0.0415901324780355 0.0147892194919968 0.0703467214188334 8.91784542832564 8.91065860208014 2461883.262097966 4171.61462452801 1457286.63657711 18.6323486206815 -13.3232786060773 94942.4919985444 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2032-Feb-28 10:45 4_05:06 Earth 0.476204048403415 0.469355817250241 0.483059049244031 8.52589375705379 8.52523746662216 2463290.947715417 6065.90307251399 353199.748993025 41.894742743178 14.6660116405495 832340.172648173 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2032-Aug-14 08:46 6_01:04 Earth 0.171944432296709 0.165758554365572 0.178171542997392 7.81223077464803 7.81024694525382 2463458.865042942 8704.12991519197 336780.137237255 54.2581451771077 23.1289190293174 136664.94311254 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2036-Oct-11 10:27 01:43 Earth 0.317977416843121 0.316669401751105 0.31928543175417 19.5536131400416 19.5531845976191 2464977.935363499 103.407390371218 65224.3227741606 7.43626472162314 0.0249632142685286 1689.01678505377 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2040-Jan-06 03:31 4_11:35 Mars 0.0513658198777288 0.0484384907411202 0.0543517734977126 4.28478308148052 4.28348210615879 2466159.646534447 6454.96592242952 170966.799495028 67.122295857859 -30.3511696971703 50060.1686382289 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2043-Apr-12 13:35 1_06:48 Earth 0.102478599308539 0.0779481417449639 0.127063869399561 13.1195348249817 13.1175528710995 2467352.066175663 1847.71647326082 1230292.62991971 12.6422793750004 5.39476823442148 104130.0642148 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2051-Oct-04 08:16 1_22:35 Earth 0.153723697933192 0.109695324586504 0.197751213105252 14.6589550543426 14.6577725954907 2470448.844654907 2795.09714489516 2195420.84999618 1.63117561299459 -0.345859435006961 75358.4218993427 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2054-Apr-27 14:26 2_23:07 Venus 0.107975503045735 0.0705585921554609 0.14625533949684 5.16707710420087 5.1631834046997 2471385.101544943 4267.43785325458 1947904.86755456 71.2834615654728 13.6322507907049 51923.2324908488 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2058-Apr-03 18:54 1_19:50 Earth 0.275299442191723 0.226105239430378 0.324506761586266 18.2604648604369 18.2599348291586 2472822.287677418 2630.30521310488 2455272.33134499 14.0213301876956 2.21548957869175 98677.4005184355 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2064-Apr-09 20:42 2_11:32 Mars 0.0671083742084284 0.0302818336790168 0.104702779960733 5.79728960053428 5.79655367810506 2475020.362337027 3571.78021562048 1889848.22785447 49.3830366992502 -9.10001335730743 28665.9746409156 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
2066-Sep-26 01:59 3_12:24 Earth 0.0155789939391321 0.000165648852141521 0.0666743535588692 10.5893498434606 10.5731863500622 2475919.582448001 5064.41809786859 2547885.05498575 0.63470551181319 -0.697016867527474 30225.6147033443 T 6 CATAB v2.0e-lin.ifort 2017-Dec-26 06:23:50 2018-Dec-11 17:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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