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23187 (2000 PN9)
Classification: Apollo [NEO, PHA]          SPK-ID: 2023187
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 311 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5892830174323391 1.4944e-08  
a 1.846978303014938 1.434e-09 au
q .7585853554822343 2.7947e-08 au
i 51.32346108586679 7.3921e-06 deg
node 164.3116374532965 6.6561e-07 deg
peri 293.549595113623 3.4597e-06 deg
M 259.1400161937494 2.2453e-06 deg
tp 2459257.366525173332
(2021-Feb-11.86652517)
5.9686e-06 TDB
period 916.8348593039199
2.51
1.0678e-06
2.923e-09
d
yr
n .3926552272165126 4.5729e-10 deg/d
Q 2.935371250547642 2.279e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1681  
   # delay obs. used      6  
   # Doppler obs. used      2  
   data-arc span      10995 days (30.10 yr)  
   first obs. used      1990-08-02  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-20 06:39:55  

Additional Information
 Earth MOID = .0141495 au 
 Jupiter MOID = 3.07675 au 
 T_jup = 3.419 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO492990  
rotation period rot_per 2.5325 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2001) http://www.asu.cas.cz/~ppravec/neo.htm]
[Belskaya, I.N.; Fornasier, S.; Krugly, Y.U. (2009) Icarus 201, 167-171.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 240-250.]

23187 (2000 PN9)          Discovered 2000-Aug-08 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

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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
1945-Sep-12 16:20 < 00:01 Earth 0.451975945868893 0.451975477387407 0.45197641435115 32.4803064465575 32.4801249459305 2431711.180299105 0.0303845579964581 39.6539778536028 9.1505307570646 56.1454258815387 6012603.57594523 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
1950-Sep-15 11:28 < 00:01 Earth 0.412486616089381 0.412486271478759 0.412486960700778 30.7315898120146 30.7313796186739 2433539.978053218 0.0251117420053321 36.6207554634816 8.72137142825462 65.3986629930062 6264646.15841301 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
1955-Sep-17 22:30 < 00:01 Earth 0.388864198369503 0.388863968577761 0.388864428161753 29.1608936250041 29.160658653435 2435368.437249422 0.0206562807294263 33.7970801770699 8.19444128718004 75.8607410257577 6667941.22603483 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
1960-Sep-18 23:16 < 00:01 Earth 0.385158523168106 0.385158365127349 0.38515868120895 27.8222851006786 27.8220364543861 2437196.469524288 0.0170761401960026 31.1809326600187 7.5889398477733 85.9710884933076 7301079.93785705 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
1965-Sep-20 15:59 < 00:01 Earth 0.400956126557469 0.400955980807823 0.400956272307206 26.6345634661161 26.6343139653096 2439024.165895395 0.0142654231170253 28.7971022208208 6.85538129544454 -85.0490324449863 8358870.40570159 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
1970-Sep-21 23:39 < 00:01 Earth 0.433391643522621 0.433391485873656 0.433391801171857 25.6419555390664 25.6417157757644 2440851.485554802 0.0121438009111656 26.6489820387713 5.99002633223112 -78.6932290330817 10085979.0794984 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
1975-Sep-22 20:28 < 00:01 Earth 0.476213093951598 0.476212932391667 0.4762132555118 24.8684827368281 24.8682577465774 2442678.352763510 0.0104057600000256 25.1115505722478 5.02162474936404 -75.1644622721299 12894323.9698412 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
1981-Feb-15 04:59 < 00:01 Earth 0.419170521926614 0.419170231726067 0.419170812128471 27.1458517945155 27.1456176305722 2444650.707767926 0.0242148179929973 50.0305939777298 9.20418763814595 76.8749990110399 7421441.96779326 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
1986-Feb-19 12:27 < 00:01 Earth 0.323664164688939 0.32366394766811 0.323664381712196 27.6615637722915 27.6612661651512 2446481.018517559 0.0180374504533371 48.7603133549729 3.92360559792333 78.0231710711002 11025635.2754247 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
1991-Feb-23 15:23 < 00:01 Earth 0.233653852388427 0.233653708161513 0.233653996615539 28.3742715180319 28.3738696182538 2448311.140716895 0.0123822265006029 18.0691675708846 5.40616178989389 74.0313805471497 6013002.95864103 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
1996-Feb-27 17:23 < 00:01 Earth 0.145796757911154 0.145796687848534 0.145796827973781 29.2562827912332 29.255658122194 2450141.224541678 0.00690822859068133 6.82593337492245 3.34974265892236 80.3908516950434 6444770.92964089 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2001-Mar-02 17:29 < 00:01 Earth 0.0609794553338965 0.0609794425817704 0.0609794680860469 30.3046431659247 30.3032012830853 2451971.228621041 0.00224554095516243 3.51460129825511 0.516377267122614 -83.8729158646756 17553982.7582354 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2006-Mar-06 04:24 < 00:01 Earth 0.0203412293733773 0.0203411276840469 0.020341331062739 31.3085900395522 31.3044059528982 2453800.683229320 0.00565503812027737 5.25801511784233 2.22114249487725 -16.9633786716332 680307.538334204 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2011-Mar-10 23:43 < 00:01 Earth 0.116909970438018 0.116909821538141 0.116910119337894 32.902206800611 32.901514108327 2455631.488332719 0.00779606727836451 7.49537039189012 4.35836378192211 -9.67094403150375 2403047.50503121 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2016-Mar-15 12:31 < 00:01 Earth 0.232203118039517 0.232202879365027 0.232203356714007 34.9568677587311 34.9565395018513 2457463.021191476 0.0134609557298764 12.0504337898465 5.49443531273765 -10.135277895852 3053126.47549196 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2021-Mar-21 01:32 < 00:01 Earth 0.346128353939805 0.346128021949117 0.346128685930493 37.1906902051812 37.1904832186197 2459294.563906547 0.0197325520679234 16.6950280042965 6.4998973146893 -8.06571279676121 3257887.30810366 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2026-Mar-26 17:06 < 00:01 Earth 0.458801341089629 0.458800921674384 0.458801760504873 39.5765909036284 39.5764441630923 2461126.212566793 0.0259857448500184 21.045445445698 7.34436870991349 -6.82534967692818 3397362.46208882 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2083-Sep-12 01:05 < 00:01 Earth 0.479587274033524 0.479586586928303 0.479587961140735 33.1443473732273 33.1441797491762 2482114.545067237 0.0588719495234894 61.0859274485951 9.50044456954867 56.938170492953 6174903.13478259 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2088-Sep-14 11:27 < 00:01 Earth 0.427381043726532 0.427380531275101 0.427381556180999 31.0099718113528 31.0097707645653 2483943.977252695 0.0547156389296138 65.9768053161658 9.22419829795547 68.6057923706374 6307908.52214842 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2093-Sep-17 07:12 < 00:01 Earth 0.398451363178856 0.398451096806688 0.398451629553697 29.1687207560197 29.168491499675 2485772.800243065 0.0486078737913755 70.7667027670337 8.93959990522592 81.9552302665766 6499492.52139818 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2098-Sep-19 16:54 < 00:01 Earth 0.395981904330852 0.395981661328103 0.395982147336414 27.5180842161485 27.5178396925654 2487601.204026558 0.0401489375244112 75.81760394979 8.61271011645008 -83.5022832227891 6812482.72802135 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2103-Sep-22 11:13 < 00:01 Earth 0.420424324922891 0.420423776766574 0.420424873084346 26.2000371502814 26.1997952565472 2489428.967421761 0.0305303303029587 81.5962133707466 8.33174752688029 -71.2925931848582 7254151.57022094 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2108-Sep-22 16:21 < 00:01 Earth 0.465388438161703 0.465387616010201 0.465389260318178 25.1643864210231 25.164158904792 2491256.181576529 0.0201339840210108 87.5317832051338 8.16624939952687 -62.5483065931418 7848379.84456605 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2114-Feb-17 01:22 < 00:01 Earth 0.411490463527214 0.411488515618238 0.411492411530899 27.1604983841605 27.1602599783954 2493229.557031478 0.11372421644342 328.074229883618 11.0913652808579 72.8836236740357 5862447.37267975 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2119-Feb-21 21:23 < 00:01 Earth 0.298844762855803 0.298842732883531 0.298846792933838 27.8101911435323 27.8098705422634 2495060.390778987 0.120045035634489 298.959879649547 8.29358271355776 70.2694898695752 4791261.88920575 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2124-Feb-26 22:51 < 00:01 Earth 0.183290467783298 0.183288386688405 0.18329254888216 28.8080413745963 28.8075367568162 2496891.452041847 0.124939390766525 112.205042606811 8.63883069118229 22.4200311894562 1218598.06796312 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2129-Mar-02 18:24 < 00:01 Earth 0.0753397165089897 0.0753376604521983 0.0753417725663979 30.0301094926635 30.0289317782899 2498722.266668875 0.125076870006248 103.089753123253 2.30202989879329 5.9883811631817 518530.406357882 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2134-Mar-07 05:00 < 00:01 Earth 0.0224094466260922 0.0224077887083663 0.022411104554103 31.3709752293904 31.367184878278 2500552.708374326 0.105953793808477 86.0737428973308 2.55007356988614 -16.1651315825501 365818.215248886 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2139-Mar-13 11:47 < 00:01 Earth 0.158497442694345 0.158495995427935 0.158498889960781 33.5565733557463 33.5560723811166 2502384.991089335 0.0964257119958972 72.2298272084707 4.88973041139633 -2.35447553935995 380159.051517808 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2144-Mar-19 04:41 < 00:01 Earth 0.300659837890023 0.30065539721674 0.300664278563478 36.1751259581203 36.174880979403 2504217.695025100 0.298733637524267 221.723984206774 6.46730004141727 -2.91200120928159 401387.872520519 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2149-Mar-26 04:08 < 00:01 Earth 0.444620414459897 0.444613195474789 0.444627633445309 39.1226732176185 39.1225200400097 2506050.671958734 0.499153700816369 360.424600681544 7.69932580946861 -2.84391405520825 458115.55283992 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
2196-Sep-11 17:29 00:01 Earth 0.498057569164278 0.49803886366824 0.498076276094369 33.4725447448527 33.4723849197037 2523387.228350536 1.41829138606879 1626.76444705616 9.43484948454476 55.0132047715224 6281008.17015316 T 311 CATAB v2.0f-lin.ifort 2020-Sep-20 06:40:09 2020-Sep-20 06:40
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