Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
136618 (1994 CN2)
Classification: Apollo [NEO, PHA]          SPK-ID: 2136618
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 180 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3949468841923598 5.965e-07  
a 1.57294509625062 2.1967e-08 au
q .9517153314807865 9.5055e-07 au
i 1.439269327357581 3.05e-06 deg
node 99.33827401628531 0.00049913 deg
peri 248.2562398990875 0.00049764 deg
M 260.8199219213103 0.00021507 deg
tp 2459199.013806789956
(2020-Dec-15.51380679)
0.00043044 TDB
period 720.5577151056876
1.97
1.5094e-05
4.133e-08
d
yr
n .4996129976169876 1.0466e-08 deg/d
Q 2.194174861020454 3.0643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      9594 days (26.27 yr)  
   first obs. used      1994-02-15  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .59253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-27 07:02:56  

Additional Information
 Earth MOID = .0125518 au 
 Jupiter MOID = 3.23346 au 
 T_jup = 4.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456741.5 (2014-Mar-25.0) TDB
Reference: JPL 180 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3950715361270369 5.9716e-07  
q .9515834623010961 9.5136e-07 au
tp 2457036.976057029240
(2015-Jan-14.47605703)
0.00043099 TDB
node 99.33804561415775 0.00049916 deg
peri 248.2139839822257 0.00049768 deg
i 1.438974847291368 3.0467e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      9594 days (26.27 yr)  
   first obs. used      1994-02-15  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .59253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-27 07:02:56  

Additional Information
 Jupiter MOID = 3.23346 au 
 T_jup = 4.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.56598052732281E-13 -5.68102206319563E-13 -5.227488755598865E-11 -2.791614819950245E-12 4.164928002284633E-13 1.965640986656115E-13
q -5.68102206319563E-13 9.050894603556389E-13 8.111521299466613E-11 4.10653738040214E-12 -8.647072078243196E-13 -3.160059666398313E-13
tp -5.227488755598865E-11 8.111521299466613E-11 1.857552661927386E-7 2.534866712024176E-8 1.953917583869608E-8 1.98238720089792E-10
node -2.791614819950245E-12 4.10653738040214E-12 2.534866712024176E-8 2.491613236103956E-7 -2.428420571904669E-7 6.267465495967467E-10
peri 4.164928002284633E-13 -8.647072078243196E-13 1.953917583869608E-8 -2.428420571904669E-7 2.476852442388978E-7 -5.711400049847114E-10
i 1.965640986656115E-13 -3.160059666398313E-13 1.98238720089792E-10 6.267465495967467E-10 -5.711400049847114E-10 9.282372128393719E-12

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 16.7   n/a MPO436673  
rotation period rot_per 13.0 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hasegawa, S.; Kuroda, D.; Kitazato, K.; Kasuga, T.; et al. (2018) Pub. Astron. Soc. Japan 70, A114.]

136618 (1994 CN2)          Discovered 1994-Feb-15 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ 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
1900-Jun-22 12:00 00:19 Earth 0.488900173489803 0.488647512058029 0.489152834957483 22.1616553985388 22.1614094793727 2415193.000114529 19.0971562630854 12600.9378323258 91.844054000732 -0.998472884140975 13277.3983621961 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1929-Nov-02 23:03 00:10 Mars 0.0864404779626057 0.0863216099582514 0.0865593761517374 8.77294530252425 8.77256777123577 2425918.460289548 9.72584747017288 6452.32639612711 47.2398614461653 -23.2553072148741 106024.123308958 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1938-Jun-16 05:27 00:08 Mars 0.0642791439235827 0.0641959283226149 0.0643624293687397 8.29936490841572 8.29882824092988 2429065.727265748 7.7275581489991 5329.16579689258 51.5430057814412 38.8352541645675 114608.546830023 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1959-Nov-17 13:56 00:01 Earth 0.442766427529669 0.442736247260164 0.442796607801137 21.0071620333436 21.0068755672345 2436890.080458100 1.47406509742121 1505.68888774448 19.1842043948629 1.8018399962533 105568.312726549 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1961-Nov-08 04:02 < 00:01 Earth 0.273003327947591 0.27298289606383 0.273023759835123 15.9482759517521 15.9476639692476 2437611.668353776 0.938863158412541 1020.11060210094 14.7087628698182 2.88222904318454 128439.983999778 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1963-Oct-28 19:55 < 00:01 Earth 0.111262644368302 0.111252402856776 0.111272885906631 10.9945638991683 10.9923855474782 2438331.329739923 0.457386141738574 517.920284530532 13.9716857031317 9.60945716735977 173233.330954784 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1965-Oct-05 13:30 00:02 Earth 0.0356325228513892 0.0356294827208397 0.035635563209286 6.90445688830815 6.89361818629407 2439039.062584559 2.28734456508888 207.9787916409 10.4550241855012 -43.2606015124213 354874.261363432 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1967-Aug-12 06:50 00:07 Earth 0.0368668544848138 0.036856489216731 0.036877220224694 6.78537525034334 6.77471558258018 2439714.784522226 7.04524650342101 557.345673959884 29.8797829272105 -21.9671089376608 81633.2141787828 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1969-Jul-18 16:08 00:03 Earth 0.0872415811197122 0.0872205086535026 0.0872626536942783 10.3287880037505 10.3258306611232 2440421.172442316 3.01331279491426 1061.94013720487 30.4045842544201 8.36215102012281 55909.2908539405 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1971-Jul-07 03:59 00:02 Earth 0.247391231001301 0.2473687384734 0.247413723531846 15.1240837626105 15.123371616337 2441139.665687689 2.10701613600245 1122.33857414538 45.1969719753686 2.1283678738576 38312.3089237681 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1973-Jun-27 07:03 00:02 Earth 0.412441407738853 0.412419026914092 0.412463788563613 19.9552381748489 19.9549144345946 2441860.793921418 1.89206081296039 1116.0442246141 72.7368112703503 -0.367257847855164 49205.5424753778 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
1977-Dec-08 15:09 00:02 Mars 0.0851326627429934 0.0851234841531369 0.0851418416501196 6.41509307114085 6.41456883766119 2443486.131547315 1.71921063151004 526.825082359942 52.0487761896397 -29.8371010608664 131537.871197136 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2010-Sep-26 06:33 00:02 Mars 0.0822255844622157 0.0822159264931517 0.0822352426601272 6.37033754118405 6.36979095908409 2455465.773180786 1.55491099994048 528.283512226782 40.9651557091224 24.3395675094401 132445.482471905 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2034-Nov-13 07:39 00:02 Earth 0.351587104625382 0.351566059120617 0.351608150135183 18.3183311489355 18.3179174366503 2464279.818712902 1.57554559321887 1051.55328850056 49.6393635955565 3.64530157427871 75211.0988787983 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2036-Jun-19 05:15 00:03 Earth 0.488671579297174 0.488659970863307 0.488683187729735 4.14016041612678 4.13884322985107 2464863.718539786 2.85201991829312 577.481677098573 44.2896053367735 -0.481944131045237 29138.8708851098 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2036-Nov-03 05:40 00:02 Earth 0.186357528651122 0.186336703583183 0.18637835374835 13.3166460382745 13.3155723256318 2465000.735982439 1.88792942591362 1044.98168129206 29.4038499491428 6.43638796943993 100233.36041882 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2038-Oct-20 03:26 00:04 Earth 0.0376227066637637 0.0376088110400486 0.0376366057550209 8.47843524945822 8.47007805115504 2465716.642969857 3.71302512814643 897.281324229066 14.3151355960529 39.4626067489754 250896.826793466 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2040-Sep-17 21:38 00:06 Earth 0.0569668353608216 0.0569622399695935 0.0569714308180212 6.54221578327211 6.53506254170777 2466415.401219790 6.15005911718941 248.761764709125 9.1146051844053 -22.9448800430745 266196.193364072 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2042-Aug-06 11:43 00:02 Earth 0.0224185965292379 0.0224163632801082 0.022420829901847 7.18048066189176 7.16390954271206 2467102.988258572 1.73627931951419 140.434299887655 26.7118614271822 -38.3456666660059 83923.7139166356 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2044-Jul-20 15:52 < 00:01 Earth 0.0732754330033918 0.0732690409839086 0.0732818250469375 9.90209987732675 9.89842699332597 2467817.161375107 0.15413491502333 325.620939841242 32.0818090449164 11.879128047219 72945.2468781902 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2046-Jul-11 08:43 < 00:01 Earth 0.189222177270865 0.189209313937302 0.189235040615323 13.4134633048987 13.4124134811534 2468537.863308809 0.52568938642653 645.439174913535 34.5042691692228 6.4156419811799 88745.3961991831 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2046-Nov-30 10:03 00:02 Earth 0.497462839738259 0.497456091509468 0.497469587966936 5.09923745526818 5.09818696698573 2468679.918497716 2.01436078642361 336.27916915503 53.7436828794953 1.69747419514121 69815.7629225298 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2048-Jul-03 02:21 < 00:01 Earth 0.316498878546626 0.316479916940932 0.316517840158851 17.1639677367556 17.163477248405 2469260.597761808 0.847766070649977 948.262217124958 37.8234539027148 4.36733726014577 93190.985946393 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2050-Jun-26 11:09 00:01 Earth 0.445715182972364 0.445690540206937 0.445739825741794 20.9111922416503 20.910906364725 2469983.964693469 1.15775253247035 1230.64113245741 42.4401298874756 3.12249407497448 89049.0755049458 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2087-Nov-06 14:06 00:05 Mars 0.0429230461943312 0.0428521337899853 0.0429940998865437 7.10852867821728 7.10759032878341 2483631.087354620 5.47185490823396 5254.8490391435 43.8776979715894 47.6551292842911 109027.074149178 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2125-Jun-16 23:38 00:14 Mars 0.0522693430094558 0.0521122699235226 0.0524266931481381 8.19839651537886 8.19772840545511 2497367.484655016 13.9362618387536 9872.77273434425 45.6470646158163 -37.4358514042358 100841.927391106 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2127-Nov-18 14:14 00:17 Earth 0.414711312360523 0.414473964054927 0.414948661283866 20.2038521868829 20.203534180593 2498252.093066438 17.3768053434973 11862.4982656799 56.8776616578526 3.87445947448634 65979.8059374504 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2129-Nov-11 05:33 00:19 Earth 0.284320698373599 0.284084087401302 0.284557310612848 16.3062466074277 16.3056718858181 2498975.730929097 19.103112129351 11836.7631586465 39.3718416078652 4.61284214697605 77509.1941819413 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2131-Jun-27 05:33 01:14 Earth 0.465845380568593 0.465657551437808 0.466033209217834 3.22641959730954 3.22464635094768 2499568.731595869 73.771790779894 9336.66791257227 40.5526222461344 -5.4900576315947 20555.7660240356 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2131-Nov-03 17:44 00:24 Earth 0.157073975846473 0.156848489011179 0.157299468687168 12.428001642249 12.4266366484813 2499698.238786551 23.7253424857407 11348.1011110464 24.5290653718627 7.7929321944532 121902.516567856 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2133-Oct-22 22:34 00:39 Earth 0.0441112542989168 0.043950941164545 0.0442717861648794 8.75136985337686 8.74446493933977 2500417.440283511 39.4593284407129 9381.10513447985 14.4817270303589 31.5172539869968 215518.951344543 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2135-Oct-05 10:06 00:50 Earth 0.0405815117567552 0.0405283129290519 0.040634737521663 6.76012778133589 6.75040833450875 2501129.920620642 49.8280274846936 3124.60731027852 8.61549320751467 -31.833219550269 230969.032668252 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2137-Aug-30 21:18 00:03 Earth 0.0561382565876767 0.0561334460680599 0.0561430672164384 6.53230252079159 6.52503261337296 2501825.387403390 2.96391925836755 270.413381462217 34.6124553165146 -27.7600687236685 96456.8834793969 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2139-Aug-03 08:38 00:30 Earth 0.0140220359795314 0.0140213821281126 0.0140228545805282 7.70305310766761 7.67834522923277 2502527.859575728 30.0431608154019 4164.49661026709 29.2685906421675 -89.7159557913816 75630.3243452355 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2141-Jul-19 22:19 01:28 Earth 0.101458915325425 0.100814595160226 0.102103331667134 10.7796578214995 10.7772213224267 2503244.430045019 88.049896611938 32507.5026008505 31.587080450505 8.76511079265221 63584.7755039977 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2143-Jul-11 07:47 01:47 Earth 0.223777605769382 0.222632153960526 0.224923078939639 14.4381702391447 14.4373455391742 2503965.824173149 106.610746916624 57223.5438755111 35.6231530598299 3.50386413381265 48174.4104966863 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2145-Jul-03 03:33 02:07 Earth 0.351181494234942 0.349582575958816 0.352780415778228 18.1832886818124 18.1828714155385 2504688.648168150 127.462668369561 79749.5613083182 42.6580355071971 1.28113138138259 23583.2467084971 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2147-Jun-27 01:08 02:31 Earth 0.477192257426388 0.475180123250425 0.479204391683782 21.8452995189241 21.845043917361 2505412.547533853 151.291742148067 100337.479646543 52.1720194979599 -0.359318208351194 7485.70452004701 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
2163-Jan-29 23:57 05:09 Mars 0.0325092632732647 0.03077638909706 0.034683275017424 7.78601964024022 7.78488850349145 2511108.497590215 309.378166477233 212780.613756807 41.6997922048861 -62.5558416028732 101190.898076228 T 180 CATAB v2.0f-lin.ifort 2020-May-27 07:03:06 2020-May-27 07:03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-02 17:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin