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
JPL Small-Body Database Browser
Search: [ help ]  
186822 (2004 FE31)
Classification: Apollo [NEO]          SPK-ID: 2186822
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 158 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4524341497891998 7.0815e-08  
a 1.573294777798229 6.0977e-09 au
q .8614824926372993 1.1276e-07 au
i 13.06354608747934 8.3917e-06 deg
node 200.7725146126076 1.5739e-05 deg
peri 150.310867053015 2.069e-05 deg
M 295.592969635743 9.387e-06 deg
tp 2459129.456831313708
(2020-Oct-06.95683131)
1.8719e-05 TDB
period 720.7980093225726
1.97
4.1904e-06
1.147e-08
d
yr
n .4994464403950542 2.9036e-09 deg/d
Q 2.285107062959158 8.8565e-09 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      6729 days (18.42 yr)  
   first obs. used      2002-04-04  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-08 06:54:26  

Additional Information
 Earth MOID = .0729446 au 
 Jupiter MOID = 3.19273 au 
 T_jup = 4.263 
[ show covariance matrix ]

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 17.9   n/a MPO440038  

186822 (2004 FE31)          Discovered 2004-Mar-29 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ 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
1943-Dec-01 21:32 < 00:01 Earth 0.464816656834497 0.464808202523746 0.464825111155289 25.0303844681409 25.0301554525019 2431060.397457811 0.723901201532021 435.114685663198 7.72286903359027 14.3314555475529 2018400.35834966 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
1945-Nov-22 04:31 < 00:01 Earth 0.303720678606702 0.303712715938002 0.303728641299176 20.2600142050575 20.2595811901075 2431781.688302556 0.76857759557645 419.083058208178 9.71411006130419 18.6627680145813 1335694.10506413 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
1947-Nov-11 07:26 < 00:01 Earth 0.149975972094438 0.149969334959267 0.14998260934879 15.7142666656329 15.7131360573156 2432500.809762677 0.927371543511857 392.492450924951 12.1834309884867 32.5362346072689 894981.60598996 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
1949-Oct-25 10:14 00:01 Earth 0.0737731326511995 0.0737717602703351 0.0737745056128326 12.2431674141666 12.2402170700438 2433214.926440375 1.3669445620043 341.760795999574 15.2293760855603 -78.7258225248057 691479.985410437 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
1951-Sep-29 14:51 00:02 Earth 0.151065207133117 0.151061812963789 0.151068601446575 11.3198126710643 11.3182544159559 2433919.118985177 1.92946301572136 288.633833966853 16.4146537395225 -54.2259997979108 1003586.52577846 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
1953-Aug-27 21:55 00:02 Earth 0.209602990369541 0.209601381592545 0.209604599246141 11.1079506095113 11.1068061424024 2434617.413120707 2.20410279500275 244.658674280294 13.4561382545001 -71.1082772201088 1706953.3057866 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
1955-Jul-20 14:22 00:02 Earth 0.228026679816067 0.228025895324243 0.228027464428722 11.0585679058023 11.0575112134756 2435309.098869236 2.00673775866729 316.632704076945 21.6413594674176 -84.0827196935847 1526364.3465519 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
1957-Jul-01 09:49 < 00:01 Earth 0.278604048245366 0.278600114389865 0.278607982222383 15.4123960671406 15.4117755360928 2436020.909269601 0.759493620045174 351.806604616025 22.2155857550607 -56.2836564830946 1429595.78360114 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
1959-Jun-21 09:19 < 00:01 Earth 0.394265543005092 0.394259925059665 0.394271160996642 20.2824551495637 20.2821219483487 2436740.888035258 0.564549344218655 352.116042123903 22.1530385923683 -37.375879409797 1478347.562287 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2018-Nov-25 01:00 < 00:01 Earth 0.339678150563317 0.339677612029685 0.339678689097065 21.2644670653348 21.2640981777757 2458447.541694027 0.103927985262202 28.7129649580967 9.52208862451862 22.0359374421975 2344196.98378791 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2020-Nov-13 17:46 < 00:01 Earth 0.18236506800486 0.182364510128924 0.182365625881469 16.635857245156 16.6349789570868 2459167.240509261 0.0982671778971635 33.7691555855712 11.6574619161386 37.1605963484885 1401106.02367597 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2022-Oct-30 16:42 < 00:01 Earth 0.0752366976575808 0.0752364119966183 0.0752369833185476 12.885715291103 12.882966634899 2459883.196064583 0.115613597672371 38.5104619448818 14.2383476257525 -89.3462502094814 756106.236280474 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2024-Oct-06 18:39 < 00:01 Earth 0.129044308962368 0.129043684726636 0.129044933199348 11.3617001867879 11.3598827265734 2460590.276745813 0.226927638750717 39.5767450822688 17.8792308608595 -43.8077811660696 771645.847048705 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2026-Sep-06 09:27 < 00:01 Earth 0.197731385871772 0.197730954523331 0.197731817221269 11.2928474770559 11.2916541589488 2461289.893518655 0.325986123617495 38.237252234175 14.9237631092594 -63.8979797705432 1468022.47512241 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2028-Jul-31 15:07 < 00:01 Earth 0.225109350179532 0.225108936079157 0.225109764280162 10.6440091905123 10.6428971098997 2461984.129573991 0.463153996323853 51.4241939856208 19.9844143608826 -83.7056828091019 1489081.95640935 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2030-Jul-06 08:25 < 00:01 Earth 0.257970793238671 0.257970065109415 0.257971521371491 14.0957082400185 14.0949754725097 2462688.850512837 0.199550513834662 70.9242659146732 22.4889146406807 -64.9297941526174 1460317.16761212 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2032-Jun-24 01:52 < 00:01 Earth 0.359443433227665 0.359442166476148 0.359444699982144 18.939254764408 18.9388633620799 2463407.577966480 0.152687119985369 83.8631940268317 22.4234552951506 -43.0505028106407 1549146.63963345 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2034-Jun-15 14:20 < 00:01 Earth 0.493049176297245 0.493047558751577 0.493050793844708 23.6862814692205 23.6860533156209 2464129.097114720 0.149685972967128 94.2389954287003 22.3143950733358 -32.1592072308438 1722269.84696375 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2091-Nov-29 12:13 < 00:01 Earth 0.402847038303012 0.402837769041332 0.402856307584225 23.094490767853 23.094204372159 2485115.009084128 0.712015837473018 482.927160009839 8.32516766414089 16.8437114946124 1886454.37207096 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2093-Nov-19 01:34 < 00:01 Earth 0.243251535308409 0.243242560048339 0.24326051063503 18.3942758143829 18.3936803152924 2485835.565597906 0.863440002711987 490.499845548124 10.3519636543274 24.1613675872954 1279628.42425572 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2095-Nov-06 16:03 00:01 Earth 0.104115704030573 0.104109667269462 0.104121741326106 14.1401290637959 14.1383190972854 2486553.169066191 1.25412057859556 478.805233723244 12.8009822627373 51.0714974425257 875535.907297764 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2097-Oct-16 21:08 00:02 Earth 0.0999536910390381 0.0999490164051702 0.0999583661861631 11.6168138947783 11.6145189650658 2487263.380705758 2.09527200289513 427.227805794164 15.760157939568 -56.9891218176345 771710.631465396 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2099-Sep-18 13:41 00:03 Earth 0.177040475619796 0.177036866162109 0.177044085242515 11.4133974194974 11.4120787075547 2487965.070073822 2.50009020955657 324.927932885817 15.1389235655858 -56.4554342857709 1251392.63251595 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2101-Aug-15 16:52 00:03 Earth 0.219338063835357 0.21933685405367 0.219339273776784 10.8373548165407 10.8362338374282 2488661.202540713 2.97957290985396 312.647625898106 16.4295792092739 -79.2830363989862 1560338.89243509 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2103-Jul-13 13:49 00:01 Earth 0.24134908466573 0.241346728062957 0.241351441497556 12.7183603956832 12.7174923343839 2489358.075984200 1.45336933877142 395.577936273653 22.4138569070128 -73.020804606492 1456571.70312466 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2105-Jun-29 07:13 < 00:01 Earth 0.324494007573188 0.324488299631885 0.324499715632265 17.4802578202813 17.4797880736468 2490074.800707013 0.793366908377817 420.285894583834 22.5289769788772 -47.4635645423878 1442789.74227308 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2107-Jun-20 05:19 < 00:01 Earth 0.453975595336229 0.453968579032357 0.453982611687763 22.3100485909522 22.3097855145498 2490795.721821371 0.654188399303762 420.036660631645 22.4548782971686 -33.6514363843447 1532794.63784615 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2164-Dec-03 04:58 < 00:01 Earth 0.453584401203246 0.453580235967597 0.453588566442169 24.5639294540216 24.563690310556 2511781.706721922 0.291915758871074 216.465399261335 7.74082256198521 16.3703060006338 2250107.05052428 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2166-Nov-24 02:01 < 00:01 Earth 0.292917224429527 0.292913295391098 0.292921153476648 19.8074480201226 19.8069887756306 2512502.584213093 0.328185680004197 211.493355698756 9.55883043659622 22.1476346599581 1543378.6104923 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2168-Nov-11 18:03 < 00:01 Earth 0.142234321799885 0.142231227256654 0.142237416388731 15.3166196823103 15.315396581195 2513221.252233153 0.430690495536578 200.111024635925 11.8856729368126 39.6305825890144 1036603.78155208 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2170-Oct-26 06:11 < 00:01 Earth 0.0812501211114445 0.081249055205595 0.0812511871424794 12.1468336627117 12.1441336020176 2513934.757802012 0.681952777929201 174.137198590484 15.0358328286021 -72.9073520424929 752527.493107237 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2172-Sep-29 10:24 < 00:01 Earth 0.152474886009206 0.152473191023857 0.15247658102267 11.4238458122091 11.4223160258427 2514638.933020214 0.907496908123156 135.111085717096 16.9918855689829 -51.8512298846446 954403.709007565 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2174-Aug-28 18:37 00:01 Earth 0.208997856230421 0.208997051863674 0.208998660615227 11.1631666893351 11.1620245861768 2515337.275840234 1.01897142490711 110.62538073106 13.7294368534044 -69.9186695198211 1663995.32292456 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2176-Jul-22 11:01 < 00:01 Earth 0.230211976309945 0.230211374255691 0.230212578378934 11.3858055146393 11.3847889381282 2516030.959273043 0.833128610010453 138.342404697833 22.016418839894 -81.4096974213326 1495069.59868147 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2178-Jul-04 13:05 < 00:01 Earth 0.288934583638768 0.288932799189628 0.288936368107042 15.7817451733541 15.7811608330487 2516743.044955614 0.327919552692861 150.462862322323 22.8590652802919 -54.6742664603037 1421018.20654202 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
2180-Jun-23 08:39 < 00:01 Earth 0.408043743440396 0.408041352322725 0.408046134565397 20.6591706966117 20.6588546172994 2517462.860676090 0.237497457590898 148.127633343865 22.8045252310969 -36.9074303000108 1493754.11775127 T 158 CATAB v2.0f-lin.ifort 2020-Sep-08 06:54:51 2020-Sep-08 06:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-21 00:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin