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JPL Small-Body Database Browser
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312393 (2008 EE162)
Classification: Main-belt Asteroid          SPK-ID: 2312393
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060238491104177 4.7338e-08  
a 3.14568196192409 4.4804e-08 au
q 2.812164652243687 1.5794e-07 au
i 10.97776904359424 5.7249e-06 deg
node 140.5986033791533 2.9785e-05 deg
peri 117.21910852682 4.3263e-05 deg
M 10.19105634704062 3.0923e-05 deg
tp 2458942.811752348706
(2020-Apr-03.31175235)
0.00017468 TDB
period 2037.842638412708
5.58
4.3537e-05
1.192e-07
d
yr
n .1766574087783377 3.7742e-09 deg/d
Q 3.479199271604493 4.9554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6310 days (17.28 yr)  
   first obs. used      2002-02-20  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50184  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:49  

Additional Information
 Earth MOID = 1.81808 au 
 Jupiter MOID = 1.7259 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456892.5 (2014-Aug-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103731995800533 4.7459e-08  
q 2.818011970806144 1.579e-07 au
tp 2456906.842576676579
(2014-Sep-06.34257668)
0.00017056 TDB
node 140.6480594298138 2.9805e-05 deg
peri 117.2055847883238 4.377e-05 deg
i 10.97394226609574 5.7232e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      271  
   data-arc span      6310 days (17.28 yr)  
   first obs. used      2002-02-20  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50184  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:49  

Additional Information
 Jupiter MOID = 1.7259 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.252338237835657E-15 -7.238782354740749E-15 -6.507498503083831E-13 2.788933818008228E-15 -1.237997347650415E-13 -4.472705150235238E-15
q -7.238782354740749E-15 2.493238727715541E-14 2.360443068501934E-12 -1.041633255978364E-14 4.503589824179316E-13 1.905532451447231E-14
tp -6.507498503083831E-13 2.360443068501934E-12 2.908998637144888E-8 -1.775520757604532E-11 5.510073838248054E-9 1.329441732395766E-11
node 2.788933818008228E-15 -1.041633255978364E-14 -1.775520757604532E-11 8.883394984698341E-10 -8.750535591020736E-10 1.096633956305056E-11
peri -1.237997347650415E-13 4.503589824179316E-13 5.510073838248054E-9 -8.750535591020736E-10 1.915846162685186E-9 -8.246271634904797E-12
i -4.472705150235238E-15 1.905532451447231E-14 1.329441732395766E-11 1.096633956305056E-11 -8.246271634904797E-12 3.275491426435386E-11

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 15.5   n/a MPO476402  

312393 (2008 EE162)          Discovered 2008-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1905-Jan-17 11:10 00:08 Jupiter 1.72338362898368 1.72338295725269 1.72338430071634 2.32686215925973 2.10506801374978 2416862.965250988 8.42325622290755 485.355254329532 26.2219338011679 69.6300713845261 1385905.36251718 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
1915-Jun-26 11:11 00:07 Jupiter 1.86330162815954 1.86329904842692 1.86330420793951 4.07840308466728 3.96537623049822 2420674.965956875 6.69183231361816 508.744438884696 29.1938253826695 -78.064607365354 2232157.89514679 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
1989-Aug-10 11:23 00:02 Jupiter 1.79347710276243 1.7934763315766 1.79347787394784 2.39756704805993 2.19175014500704 2447748.974135723 2.0580745935617 94.7570625470479 32.2168198726432 -89.3721136845644 1152678.64494336 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
1999-Dec-02 13:16 00:01 Jupiter 1.73338243655269 1.73338176440543 1.73338310869975 2.34330228110313 2.12456103570181 2451515.053080424 1.23424771864451 88.8575304701665 23.7664410388176 68.5367084435903 1480056.81457055 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
2010-May-11 07:08 < 00:01 Jupiter 1.8867931774551 1.88679255875688 1.88679379615332 4.16581056802279 4.05661609801946 2455327.796973036 0.386509305217805 54.8486155222775 27.4767566435115 89.4661370897515 2425895.93636381 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
2084-Jun-24 01:36 00:05 Jupiter 1.78425800401695 1.7842570616721 1.78425894636069 2.40179060603961 2.19525821095984 2482400.566458838 5.00628736940023 105.587712720942 52.9263267622923 78.9565187790775 631011.594676104 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
2094-Oct-15 23:34 00:06 Jupiter 1.75164818757002 1.75164738152371 1.75164899362121 2.37970222436541 2.16699510702161 2486166.481755465 6.02654205802449 360.978818197425 21.7720106793848 75.0032753852293 1501201.71303724 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
2105-Mar-23 21:29 00:06 Jupiter 1.92174083040325 1.9217383402895 1.92174332055294 4.28350493068656 4.17934188905286 2489977.394923313 6.03242664521615 452.848525402378 29.3890215170594 -76.7215886142489 2401674.51299432 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
2168-Nov-16 08:14 00:10 Jupiter 1.97104305637254 1.97103894125367 1.97104717158799 3.83119173807847 3.71733289602749 2513225.843125433 9.85948079808657 736.548626455703 26.2364888305923 -76.3062918161915 2184503.20512191 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
2179-May-09 06:04 00:12 Jupiter 1.76784341215695 1.76784191664 1.76784490767009 2.38881860518214 2.17903629872873 2517051.752475723 11.9578926036351 168.103459636248 80.1513387800703 47.4628487231573 351284.968267442 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
2189-Sep-01 00:38 00:13 Jupiter 1.76314190614584 1.76314045186356 1.76314336051682 2.40525670768178 2.19646294240217 2520819.526279934 13.2319798004111 797.08474064708 20.3891273134283 76.7167437521832 1558570.56410604 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01
2200-Feb-08 19:59 00:12 Jupiter 1.93832391970986 1.93831913402444 1.93832870554986 4.35323257170078 4.25166551566365 2524632.332347441 12.3402280324868 913.695336795423 29.1930195670968 -77.0725164565343 2474699.88357489 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:01:51 2019-Sep-24 06:01

Alternate Designations
 2008 EE162 = 2004 RJ33 = 2006 YQ48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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