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(2008 EA9)
Classification: Apollo [NEO]          SPK-ID: 3405189
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07411128974820536 0.00086488  
a 1.049109163206548 0.0015776 au
q .9713583300346506 0.00055332 au
i .4409018589956695 0.0064415 deg
node 123.9869654915568 1.5795 deg
peri 343.7453857542666 2.1379 deg
M 137.4037716398643 0.46169 deg
tp 2459246.695244360032
(2021-Feb-01.19524436)
0.16546 TDB
period 392.4907692616933
1.07
0.8853
0.002424
d
yr
n .9172190232070653 0.0020689 deg/d
Q 1.126859996378446 0.0016945 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      28 days  
   first obs. used      2008-03-06  
   last obs. used      2008-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .85497  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:29:26  

Additional Information
 Earth MOID = .00303321 au 
 Jupiter MOID = 3.88814 au 
 T_jup = 5.855 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.7   n/a MPO140737  

[ 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
1957-Dec-10 16:01 5_06:00 Earth 0.194982936222985 0.0967238940362927 0.293290653942471 7.31580543413525 7.31393729569264 2436183.167398211 7560.02602884178 4903401.4723291 357.937723983208 2.25835662764305 2024.63010700668 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
1959-Apr-14 07:30 5_01:26 Earth 0.419092163789299 0.334285980517632 0.503908012134 13.9162218210231 13.9157649552718 2436672.812682067 7285.5955777407 4230373.12360852 116.246739864424 -1.46826087009203 10156.7403372619 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
1968-Oct-29 00:53 4_07:45 Earth 0.0868482134577005 0.0813999809795736 0.0922558941847221 1.38832244977174 1.36604530444339 2440158.537122091 6224.99915363153 254036.052847652 134.189569007084 6.2604471472321 2974.41990174642 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
1969-Mar-18 21:47 1_08:39 Earth 0.0479913954939781 0.0383929502017436 0.0575689562725761 2.84373119922911 2.82414009142229 2440299.407900055 1959.33624854594 475472.08110461 23.4889768588447 -3.74702438543334 12111.0218792071 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
1978-Oct-21 03:07 06:56 Earth 0.101657107975989 0.101112961069135 0.102201115027702 1.74929255874417 1.73424437161798 2443802.629675390 415.593246342765 26468.2781121568 165.169163525294 -2.03132049036489 1111.18473258418 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
1979-Mar-22 08:40 03:54 Earth 0.0757124027769953 0.0744261718262414 0.0769985892206201 3.68964506836839 3.68009463289583 2443954.860909812 234.390679861894 64072.2954957623 24.7901134335378 -3.70879575535468 18096.3442189512 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
1987-Dec-04 20:34 11:47 Earth 0.371972920365093 0.36551028965134 0.378437214865379 12.6611111244904 12.6605453557929 2447134.356956237 706.956017325123 324685.448786463 651.718128376642 6.97583405046811 7472.26829954637 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
1988-Aug-12 08:13 1_13:46 Earth 0.154601985686495 0.154308713116366 0.154897806730277 3.06451426440803 3.05888521978338 2447385.842676751 2265.7957286583 34601.6812718964 50.263958175046 64.9581413662797 241626.552243098 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
1989-Apr-06 19:17 11:15 Earth 0.316511084171721 0.309363565343407 0.323658669326182 10.903937603006 10.903165535186 2447623.303358872 675.362594020283 356492.746924835 65.1468587275435 -1.46557808796827 12731.6081280433 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
1997-Dec-18 03:10 22:31 Earth 0.122005663324508 0.110942699321075 0.133068604824327 5.1314079287157 5.12715021910789 2450800.632132801 1351.05614404036 551658.373613786 223.570193691994 2.80200681385837 2430.91759595808 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
1998-Jun-07 05:40 3_16:31 Earth 0.120102273623389 0.116234700947796 0.123967051723245 2.15742506000929 2.14711730383024 2450971.736295884 5311.28983299313 190608.245034866 43.0730217971088 3.72301257223517 10805.0456520869 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
2008-Feb-03 07:23 00:13 Earth 0.00414305047463322 0.00413028832667082 0.0041557990574458 1.5863039467272 1.10910768879356 2454499.807809277 12.5531018283059 379.168947591861 8.62189173351582 13.9136644961302 1857.82019932548 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
2008-Feb-04 04:29 00:11 Moon 0.00159271286867394 0.00158005425561463 0.00160537171546645 2.54589604967862 2.53780077405746 2454500.686693284 10.6591428072313 631.975013215039 14.6264696014436 2.88084165316856 758.1815248673 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
2019-Nov-23 23:21 2_09:13 Earth 0.0259227282119345 0.0153403892047753 0.0366055020020206 2.12787370218446 2.07900831848037 2458811.472788181 3433.36597959927 536175.045519132 17.6189122314409 13.5384160051826 23755.5047561338 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
2020-Apr-25 22:55 2_10:09 Earth 0.0731061962244721 0.0677430197338226 0.0784397948335831 1.29626931923236 1.26784098182714 2458965.454924774 3488.77720160961 256171.376967344 25.3047537051442 3.38539553685763 13229.9348653703 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
2021-Mar-25 15:24 2_11:42 Earth 0.387337253704968 0.3479171700849 0.42677372017809 12.9377705866966 12.9372388794661 2459299.141557347 3582.04295201061 1970137.55599395 4.90503858711888 -3.70415483700155 382761.349709246 T 20 CATAB v2.0g-lin.ifort 2021-Apr-15 01:29:26 2021-Apr-15 01:29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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