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68267 (2001 EA16)
Classification: Apollo [NEO]          SPK-ID: 2068267
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 115 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4274392773075162 5.7594e-08  
a 1.509795009723889 2.7145e-09 au
q .8644493218850157 8.7305e-08 au
i 38.82351053608482 1.0088e-05 deg
node 8.011737813100311 3.0371e-06 deg
peri 317.4142775884851 7.2325e-06 deg
M 139.3950396464971 4.4994e-06 deg
tp 2458938.126345655559
(2020-Mar-29.62634566)
8.0492e-06 TDB
period 677.6031328197428
1.86
1.8274e-06
5.003e-09
d
yr
n .5312844385797252 1.4328e-09 deg/d
Q 2.155140697562763 3.8748e-09 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      7366 days (20.17 yr)  
   first obs. used      2001-03-04  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-05 05:52:14  

Additional Information
 Earth MOID = .059492 au 
 Jupiter MOID = 3.45432 au 
 T_jup = 4.205 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457201.5 (2015-Jun-28.0) TDB
Reference: JPL 115 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4275736348907459 5.7605e-08  
q .864261794073939 8.7322e-08 au
tp 2456905.435758374744
(2014-Sep-04.93575837)
6.7389e-06 TDB
node 8.033462700263634 3.0351e-06 deg
peri 317.3821615389551 7.2291e-06 deg
i 38.8185267669748 1.0087e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      419  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      7366 days (20.17 yr)  
   first obs. used      2001-03-04  
   last obs. used      2021-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-05 05:52:14  

Additional Information
 Jupiter MOID = 3.45432 au 
 T_jup = 4.205 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.318323357861289E-15 -5.029400013385618E-15 1.994059431065477E-13 6.123864883002365E-14 5.906615392342333E-14 6.369902716642816E-14
q -5.029400013385618E-15 7.625074630183169E-15 -3.025917241649311E-13 -9.228630941815066E-14 -9.131371032345345E-14 -9.439947661216143E-14
tp 1.994059431065477E-13 -3.025917241649311E-13 4.541327657606384E-11 1.419804111585303E-11 3.314656560810469E-11 3.670479695076313E-11
node 6.123864883002365E-14 -9.228630941815066E-14 1.419804111585303E-11 9.21169250611775E-12 -5.057984568398362E-13 2.955682768634294E-11
peri 5.906615392342333E-14 -9.131371032345345E-14 3.314656560810469E-11 -5.057984568398362E-13 5.226022286672826E-11 -1.098880319717325E-11
i 6.369902716642816E-14 -9.439947661216143E-14 3.670479695076313E-11 2.955682768634294E-11 -1.098880319717325E-11 1.017480957809753E-10

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 16.84   n/a MPCxxxxx  
diameter diameter 0.875 km 0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 3.5 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Vaduvescu, O.; Aznar, A.M.; Tudor, V.; Predatu, M.; et al. (2017) Earth, Moon, and Planets 120, 41-100.]
geometric albedo albedo 0.401   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

68267 (2001 EA16)          Discovered 2001-Mar-04 by NEAT at Haleakala
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ 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
1912-Oct-04 23:30 < 00:01 Earth 0.0747111463487688 0.0747087811244133 0.0747135116792995 24.1700336551102 24.1685580744361 2419680.478998484 0.322785624126723 184.075329734983 13.0818291473333 -50.3267109622145 650767.642435554 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
1925-Oct-01 02:11 < 00:01 Earth 0.067293946697028 0.0672926951238725 0.067295198347166 23.375420396183 23.3737264770914 2424424.590916939 0.241530136195837 131.837877513651 13.2001560684276 62.2873578843744 668534.769742494 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
1938-Sep-26 12:46 < 00:01 Earth 0.126531828653213 0.12652935141607 0.1265343058947 22.7056513283957 22.7047238848621 2429168.031755837 0.244652281128791 129.005421391885 13.3727420618502 16.845922411598 431200.225736828 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
1951-Sep-19 18:55 < 00:01 Earth 0.230894077070898 0.230891847688124 0.230896306454723 22.1883702874816 22.1878501965884 2433909.288424528 0.214539888682993 113.899430877603 12.4444829137623 -12.6445208507936 687522.380178911 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
1964-Sep-09 17:00 < 00:01 Earth 0.363011671268703 0.363009746591178 0.363013595950581 22.2272822182565 22.2269519942587 2438648.208501465 0.205766950375501 114.977917517255 13.1867490043224 -33.663433835055 2245162.92743606 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
1975-Oct-25 01:24 < 00:01 Earth 0.408817967312516 0.408816342571378 0.408819592053653 30.2345979506711 30.2343823849345 2442710.558226995 0.127868951295736 81.1334432508212 18.2038854758354 3.12379085202637 749848.519448249 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
1977-Aug-31 18:13 < 00:01 Earth 0.47540469614071 0.475403167537759 0.475406224747579 22.7896663054338 22.7894203744389 2443387.258688225 0.197982756332759 104.269593381018 22.6316885570983 -44.3468432955359 2079425.71127775 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
1988-Oct-18 12:54 < 00:01 Earth 0.299851671688762 0.299850527702722 0.299852815674803 28.0590542740123 28.0587375833165 2447453.037697424 0.0923864432686725 57.0467039968594 16.4901108259837 -0.351598440837479 766944.616835853 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2001-Oct-12 17:47 < 00:01 Earth 0.189247428054835 0.189246849310709 0.189248006799014 26.0653765703675 26.064836409812 2452195.240844104 0.0493252382457926 29.5119668882254 14.5986327864476 -13.9227274299692 1025410.41078498 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2014-Oct-07 00:29 < 00:01 Earth 0.0912839135958403 0.0912838584784806 0.0912839687132208 24.4801770549458 24.4789846764694 2456937.520213211 0.0120672865246072 16.7334095262832 2.72763531757393 -88.8353083425928 4242718.34721008 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2027-Oct-02 05:06 < 00:01 Earth 0.062378736698119 0.0623783095903605 0.0623791638094978 23.462509228156 23.4606886129088 2461680.712473178 0.0582938764381402 35.0814923452149 11.2229602618609 57.0024362360095 702904.539815324 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2040-Sep-25 18:12 < 00:01 Earth 0.131558443087215 0.131556862828519 0.131560023346495 22.6597337055583 22.6588398910593 2466423.258236018 0.150107083943897 80.0419331471622 12.4771255109973 10.2269353564915 369744.219232674 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2053-Sep-19 13:00 < 00:01 Earth 0.229944819135693 0.229942371255128 0.229947267018101 22.2053256254644 22.2048037862823 2471165.041908389 0.238800745852593 126.36475806746 11.7429735790289 -15.0541644504952 824717.469312703 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2066-Sep-12 12:07 < 00:01 Earth 0.335796043739497 0.335793001206362 0.335799086283416 22.1919131722365 22.1915556150297 2475906.005031612 0.329775988240014 179.107940501801 11.6511348838571 -32.1807162553317 2290073.73301303 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2077-Oct-25 16:03 < 00:01 Earth 0.430073388410096 0.430070085927302 0.430076690892891 30.6247334396225 30.6245311382154 2479967.168827627 0.241335363304825 164.680808493968 17.9360228331981 0.00769458704450978 377311.639989452 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2079-Sep-03 04:33 < 00:01 Earth 0.459151978184005 0.459148706793317 0.459155249596252 22.7341501916017 22.7338949334557 2480644.689322658 0.421035391724533 227.098339986612 19.371046769573 -44.2867125038365 2301318.28279339 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2090-Oct-18 11:57 < 00:01 Earth 0.288990958782394 0.288987036295013 0.288994881269956 27.7952032744626 27.794871562726 2484707.998003656 0.296234704295573 195.915734536755 15.6228979702014 -3.27575850957703 263848.421511563 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2103-Oct-13 13:30 < 00:01 Earth 0.175440859330171 0.175436565521836 0.175445153143303 25.8164339359703 25.8158456475406 2489450.062427273 0.348261368341208 218.968449674365 13.9600249969307 -12.1122851709251 404252.437891085 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2116-Oct-07 09:32 < 00:01 Earth 0.0873090653640448 0.0873057259200889 0.0873124048817301 24.4149382582978 24.4136882626384 2494192.897304183 0.351777084873378 209.373140990444 13.0508723855632 -37.3966139902749 602539.511283023 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2129-Oct-03 01:07 < 00:01 Earth 0.0591059616921127 0.0591047833603691 0.0591071402136674 23.4791847074349 23.4772646429503 2498936.546863609 0.320272378894562 180.960149297622 12.8186187079972 71.4753092442111 647713.041542929 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2142-Sep-27 12:27 < 00:01 Earth 0.129261839083813 0.129256507874003 0.12926717030466 22.6717040623185 22.6707948473632 2503679.018532752 0.506619322925572 272.452442418019 12.9347506229872 12.6567338848219 333990.988618946 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2155-Sep-20 13:22 < 00:01 Earth 0.240204317726405 0.240197167722668 0.240211467747523 22.1997823531533 22.1992826780417 2508420.056614779 0.687665627204698 370.840257444683 11.9693036239109 -15.9703722514022 848935.030166987 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2168-Sep-11 15:51 < 00:01 Earth 0.358225771372054 0.358217424878807 0.358234117950498 22.2860570424285 22.285723289147 2513160.160527573 0.88497769881488 499.18717317078 12.975558902786 -33.5248172235631 2221891.10344794 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2179-Oct-26 10:43 < 00:01 Earth 0.415433180272849 0.415424016902661 0.415442343643178 30.2439874642807 30.2437753970087 2517221.946252660 0.678477749114329 457.08920594557 18.0804770672717 1.47312895244239 156419.826154724 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2181-Sep-03 07:55 00:01 Earth 0.468429110827405 0.468420001118217 0.46843822069151 22.8631574124987 22.8629086215154 2517899.829777103 1.13480713868565 622.268570836279 21.4609657910458 -43.1440884273806 2073691.67653828 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
2192-Oct-20 02:05 < 00:01 Earth 0.307848547098661 0.307838855669734 0.307858238527729 28.1075669482682 28.1072590165865 2521964.586550460 0.734388262937606 483.376715613235 16.2877100831225 -1.20361495028453 108989.941042641 T 115 CATAB v2.0g-lin.ifort 2021-May-05 05:52:17 2021-May-05 05:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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