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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 104 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4274470660328586 6.0878e-08  
a 1.509675042091005 2.9541e-09 au
q .8643688746861725 9.2359e-08 au
i 38.8235549723459 1.9319e-05 deg
node 8.016425396831089 5.7163e-06 deg
peri 317.4005545194228 9.9622e-06 deg
M 33.14515275936593 6.0939e-06 deg
tp 2458938.120604175743
(2020-Mar-29.62060418)
1.1398e-05 TDB
period 677.5223713635427
1.85
1.9887e-06
5.445e-09
d
yr
n .5313477683039227 1.5596e-09 deg/d
Q 2.154981209495837 4.2168e-09 au
  Orbit Determination Parameters
   # obs. used (total)      373  
   # delay obs. used      3  
   # Doppler obs. used      1  
   data-arc span      5701 days (15.61 yr)  
   first obs. used      2001-03-04  
   last obs. used      2016-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49546  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:28:48  

Additional Information
 Earth MOID = .0581442 au 
 Jupiter MOID = 3.4538 au 
 T_jup = 4.205 
[ 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 16.8   n/a MPO390186  
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. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Vaduvescu, O.; Aznar Macias, A.; 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

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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
1912-Oct-04 23:30 < 00:01 Earth 0.0747112990449951 0.0747086999246536 0.0747138982855691 24.1700239760253 24.1685483977764 2419680.479010365 0.35372846860009 198.528192460111 14.3311327145096 -49.4172041351901 584249.347662535 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
1925-Oct-01 02:11 < 00:01 Earth 0.0672937819604446 0.0672924462955548 0.0672951177113594 23.375409380792 23.3737154567555 2424424.590926632 0.262626148118088 140.168987427861 15.4155345773573 62.2826971323071 567054.682595493 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
1938-Sep-26 12:46 < 00:01 Earth 0.126531510853636 0.126528843252287 0.126534178458603 22.7056394141018 22.7047119677522 2429168.031767138 0.257846460458594 137.303402098738 16.7838633635796 14.454935667007 308258.71438048 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
1951-Sep-19 18:55 < 00:01 Earth 0.230893780990444 0.230891385305358 0.23089617667801 22.18835666117 22.1878365692905 2433909.288429820 0.205797281954978 125.36168527501 15.1943718417141 -17.7813298593575 763683.419229861 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
1964-Sep-09 17:00 < 00:01 Earth 0.363011429757394 0.363009375958698 0.363013483561434 22.2272675407491 22.2269373163136 2438648.208496423 0.163405339110984 124.424457173657 18.6012051336077 -35.0536569527086 1583439.1315934 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
1975-Oct-25 01:24 < 00:01 Earth 0.408818170386324 0.408816446685285 0.408819894087363 30.2345914194417 30.2343758537656 2442710.558236436 0.116668187403221 85.9698708611864 24.1743849908177 1.15991683874494 688485.740393859 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
1977-Aug-31 18:12 < 00:01 Earth 0.475404504491447 0.4754028776711 0.475406131314038 22.7896515837978 22.789405652545 2443387.258669276 0.126567712963126 99.2048377438006 34.7409400378219 -37.9169368114554 1246271.04559331 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
1988-Oct-18 12:54 < 00:01 Earth 0.299851800018399 0.299850599748549 0.299853000288249 28.0590451653714 28.0587284747084 2447453.037701959 0.0901871450801655 59.8556119731336 21.2851181230881 0.640216854625214 730143.014865128 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2001-Oct-12 17:47 < 00:01 Earth 0.189247467659166 0.189246873359624 0.189248061958741 26.0653648648395 26.0648247041546 2452195.240843339 0.051277852959404 29.9861511657831 18.0660778749726 -11.01888230361 961352.932201248 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2014-Oct-07 00:29 < 00:01 Earth 0.0912838651780171 0.0912837612611452 0.0912839690950499 24.4801633106363 24.4789709308582 2456937.520205950 0.0228376175133755 19.7173238353674 4.909244845171 -85.0218882937195 2338624.71614851 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2027-Oct-02 05:06 < 00:01 Earth 0.0623787396742392 0.0623782398039653 0.0623792395493248 23.4624944917115 23.4606738754079 2461680.712460237 0.0722736003874618 40.4960313040106 12.8810906534638 56.2307717682969 600620.287373128 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2040-Sep-25 18:12 < 00:01 Earth 0.131558626296379 0.131556842714546 0.131560409878541 22.6597181774127 22.6588243635461 2466423.258212624 0.172065829321607 89.5537539803711 15.4126275146317 6.81135697675254 266175.089690012 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2053-Sep-19 13:00 < 00:01 Earth 0.229945125465702 0.229942397399043 0.229947853536961 22.205310664293 22.2047888254546 2471165.041873476 0.253712211184989 145.503564949977 13.7845916835307 -20.8787000403735 964370.092538332 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2066-Sep-12 12:07 < 00:01 Earth 0.335796433378746 0.335793063943874 0.335799802832764 22.1919000042247 22.1915424472208 2475906.004981237 0.305798589196285 210.555459016681 14.4455420486272 -37.1639729000248 1993879.58695626 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2077-Oct-25 16:03 < 00:01 Earth 0.430072984484244 0.430069337671573 0.430076631297429 30.6247142870599 30.6245119853364 2479967.168805385 0.21308360710825 183.380641679851 23.5958947882996 -7.46814931457768 479173.012256827 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2079-Sep-03 04:33 < 00:01 Earth 0.459152380640808 0.459148772647851 0.45915598865762 22.7341394443205 22.7338841862777 2480644.689253717 0.314841500016408 245.391625154386 26.9519228508586 -43.1707460319675 1569517.20174051 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2090-Oct-18 11:57 < 00:01 Earth 0.288990492203416 0.288986157840561 0.288994826567208 27.795182905822 27.7948511933069 2484707.997975929 0.294742456328441 217.707460384003 19.4190400286362 -6.91618160162502 323669.883242203 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2103-Oct-13 13:30 < 00:01 Earth 0.175440401925702 0.17543566720925 0.175445136649265 25.8164140495748 25.8158257591583 2489450.062397203 0.371359070226779 242.615280502327 15.9589494934005 -13.3378600832992 387420.627805612 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2116-Oct-07 09:32 < 00:01 Earth 0.0873087836606972 0.0873051215215547 0.087312445890309 24.41492052215 24.4136705215494 2494192.897279029 0.389120761787933 230.457465870709 14.1706734502525 -37.6723309012183 557872.13895481 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2129-Oct-03 01:07 < 00:01 Earth 0.0591059736954207 0.0591046459994441 0.059107301615468 23.4791696680667 23.4772496027425 2498936.546847816 0.358648448913618 197.401909539727 14.4553360782486 70.8395220626958 567863.10887615 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2142-Sep-27 12:27 < 00:01 Earth 0.129261854523981 0.129255985144738 0.129267723911328 22.6716898140124 22.6707805985944 2503679.018519460 0.554246426900708 297.110629229441 15.7983916585343 9.91730460076446 219593.575560891 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2155-Sep-20 13:22 < 00:01 Earth 0.240204281795086 0.240196433969916 0.240212129658377 22.199768278775 22.1992686032719 2508420.056600221 0.691430978935588 419.459028030069 14.1073008251769 -21.1106022620503 955594.252683377 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2168-Sep-11 15:51 < 00:01 Earth 0.358225697838891 0.358216553151381 0.358234842656804 22.2860430847657 22.2857093312066 2513160.160507739 0.767382242770321 569.444717028509 17.2232686362173 -36.8130813188408 1730336.85361611 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2179-Oct-26 10:43 < 00:01 Earth 0.415433291233998 0.415423261658814 0.415443320810669 30.2439791346338 30.2437670673601 2517221.946256012 0.609439603863862 501.666761209976 24.1632752009307 -4.48811491380174 227587.788738544 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2181-Sep-03 07:55 < 00:01 Earth 0.468428997779155 0.46841903330655 0.46843896239219 22.8631434880324 22.8628946968376 2517899.829749631 0.783834121604134 641.164000868313 30.2189423303676 -39.2487549899992 1326084.26210346 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
2192-Oct-20 02:05 < 00:01 Earth 0.307848693061397 0.307838092043512 0.307859294081557 28.1075582496272 28.1072503179962 2521964.586554947 0.715568634360415 530.279571229332 20.9699409052872 -4.52797289588894 187992.998524753 T 104 CATAB v2.0e-lin.ifort 2017-Nov-22 06:56:01 2018-Dec-17 17:05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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