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(2011 ES4)
Classification: Apollo [NEO]          SPK-ID: 3558279
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2422019189500303 0.00076488  
a 1.090313140104579 0.00039142 au
q .8262372053148167 0.00053774 au
i 3.368704185419636 0.010688 deg
node 339.892409537922 0.0067686 deg
peri 273.5456249491004 0.035631 deg
M 337.7591154311357 1.8495 deg
tp 2459026.190635734238
(2020-Jun-25.69063573)
2.1502 TDB
period 415.8390749113099
1.14
0.22393
0.0006131
d
yr
n .8657195095886088 0.00046618 deg/d
Q 1.354389074894341 0.00048622 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      4 days  
   first obs. used      2011-03-02  
   last obs. used      2011-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .45781  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-11 04:51:56  

Additional Information
 Earth MOID = .000665648 au 
 Jupiter MOID = 3.68114 au 
 T_jup = 5.659 
[ 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 25.4   n/a E2020-AB4  

[ 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
1987-Sep-10 00:09 9_22:18 Earth 0.136152493840756 0.000615791695264298 0.345471651008937 11.6777315151446 11.6760555714055 2447048.506146915 14297.707020798 10437551.1675044 943.764210086029 -0.278830030750875 80.8115793564233 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
1994-Feb-27 00:44 8_11:49 Earth 0.261471566415126 0.0757641527195263 0.447721195368635 15.4914918552323 15.4908340400907 2449410.530244746 12228.7385883969 9292993.13173685 704.31516670566 2.62926882151843 2050.74091161001 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
2004-Sep-23 01:16 3_20:20 Earth 0.438300727539663 0.351949742510487 0.524654257462735 20.6582427052536 20.6579484326153 2453271.552957407 5540.00444421535 4306360.00570669 222.015531367648 -0.76666642344213 3307.50372784917 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
2011-Mar-13 09:52 00:01 Earth 0.028534078052957 0.0282744707385772 0.0287936673346407 6.96420261433659 6.95078127677099 2455633.911334198 1.31817841309627 12895.5073363596 73.2772114021223 -0.108145518143132 192.293102361596 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
2011-Nov-27 04:30 07:06 Earth 0.371430838430595 0.367374316198003 0.375487351194905 7.86893431026678 7.86802262772721 2455892.687529741 426.233408369405 202260.510114736 3401.01891541085 0.655062888297092 219.813481239093 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
2012-Sep-10 17:36 10:53 Earth 0.177135288274483 0.168325367621307 0.18594513019083 12.88072929457 12.8795614460797 2456181.233556998 653.393863010039 439273.681421107 868.213545677636 -0.150157934752363 74.2373766703966 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
2013-Sep-05 14:39 2_11:15 Venus 0.114079128557852 0.106493372761582 0.124417778602386 3.07278024178442 3.06657912813893 2456541.110717049 3554.7312724755 993483.373366226 3772.14375030503 -62.8885411152565 43354.4870860829 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
2019-Mar-04 06:02 4_14:56 Earth 0.151427901402805 0.0511689461513259 0.252366139380456 12.1988652639634 12.1974227743441 2458546.751637616 6656.1429426315 5041902.7844563 657.949967707395 4.36682748484921 2047.90370584646 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
2019-Dec-14 06:34 9_23:01 Earth 0.372823553089796 0.362337527921616 0.383314441508511 7.90869028219982 7.90778657183935 2458831.773423396 14340.9543285922 527310.103966855 2902.1763094324 7.38163671022596 1644.2293273299 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
2020-Sep-01 16:12 8_00:08 Earth 0.00081083276352288 0.000477632840390022 0.105985053543994 8.16328743981237 7.75029402031393 2459094.174754194 11528.4038364212 5254566.94694784 1448.71399521502 40.0315957977356 49.1588305003129 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
2020-Sep-02 04:57 8_12:56 Moon 0.00056456933678711 0.00048926866251654 0.119031398675802 7.81467112474076 7.80723926785798 2459094.706348371 12296.2912042012 5924384.73374722 1433.37342888654 -66.5804725888055 52.7869348693163 T 8 CATAB v2.0f-lin.ifort 2020-Jan-11 04:51:59 2020-Jan-11 04:52
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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