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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060238160826912 4.7195e-08  
a 3.145681977688448 4.3328e-08 au
q 2.812164770231372 1.5643e-07 au
i 10.97777139266629 5.693e-06 deg
node 140.5986016895832 2.9593e-05 deg
peri 117.219113441806 4.2973e-05 deg
M 10.19105233301572 3.0342e-05 deg
tp 2458942.811774637142
(2020-Apr-03.31177464)
0.00017145 TDB
period 2037.84265373146
5.58
4.2103e-05
1.153e-07
d
yr
n .176657407450379 3.6499e-09 deg/d
Q 3.479199185145525 4.7922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      6730 days (18.43 yr)  
   first obs. used      2002-02-20  
   last obs. used      2020-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:37  

Additional Information
 Earth MOID = 1.81808 au 
 Jupiter MOID = 1.7259 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456910.5 (2014-Sep-10.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037492609459814 4.732e-08  
q 2.818012416540304 1.5638e-07 au
tp 2456906.826723331254
(2014-Sep-06.32672333)
0.00016906 TDB
node 140.6477332191156 2.9612e-05 deg
peri 117.2024455461128 4.3476e-05 deg
i 10.97397472767273 5.6913e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      6730 days (18.43 yr)  
   first obs. used      2002-02-20  
   last obs. used      2020-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:47:37  

Additional Information
 Jupiter MOID = 1.7259 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.23921506723828E-15 -7.159692268527283E-15 -5.698964674441216E-13 2.153544930884479E-15 -1.094302853844471E-13 -4.406272494884367E-15
q -7.159692268527283E-15 2.445502339764831E-14 1.872207565087868E-12 -8.09964105481406E-15 3.650584428144587E-13 1.838312452344475E-14
tp -5.698964674441216E-13 1.872207565087868E-12 2.858130336091703E-8 -1.813315834723659E-11 5.423669498194742E-9 1.209728262910163E-11
node 2.153544930884479E-15 -8.09964105481406E-15 -1.813315834723659E-11 8.768709909543168E-10 -8.638901675505931E-10 8.940958130952623E-12
peri -1.094302853844471E-13 3.650584428144587E-13 5.423669498194742E-9 -8.638901675505931E-10 1.890170636823404E-9 -6.467186151962985E-12
i -4.406272494884367E-15 1.838312452344475E-14 1.209728262910163E-11 8.940958130952623E-12 -6.467186151962985E-12 3.239120038366185E-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 11:09 00:08 Jupiter 1.72338375670399 1.72338308634159 1.72338442706825 2.32686442658077 2.10507053726311 2416862.964635511 8.14101071173674 469.097398142346 25.9926526679593 69.6038001651299 1400131.32987286 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
1915-Jun-26 11:10 00:06 Jupiter 1.86330190257227 1.86329941549593 1.86330438969267 4.07840497395349 3.9653781905185 2420674.965463522 6.4694663290841 491.997916754262 29.0764439380136 -78.131508886322 2241373.54490332 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
1989-Aug-10 11:23 00:02 Jupiter 1.79347718866738 1.79347642623584 1.79347795109851 2.3975672525522 2.19175037902341 2447748.973988102 1.9920660039642 94.4809585778026 31.8006754553604 -89.1040850165159 1172624.10221875 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
1999-Dec-02 13:16 00:01 Jupiter 1.73338256648783 1.73338189695978 1.73338323601578 2.34330294970164 2.12456179037912 2451515.052992885 1.19926276261184 87.1239420136837 23.5644745097606 68.3787400583618 1501291.60757918 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
2010-May-11 07:08 < 00:01 Jupiter 1.88679318079996 1.88679256361667 1.88679379798325 4.16581094638781 4.05661648676535 2455327.796953847 0.382748281239276 54.6756349855515 27.4113109677223 89.3771144386087 2439333.96716099 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
2084-Jun-24 01:36 00:05 Jupiter 1.78425821454868 1.78425729701734 1.78425913207891 2.40179235006176 2.19526014457737 2482400.566829134 4.83323686256471 104.387099668073 52.0003909061053 80.0311957920393 649581.756460466 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
2094-Oct-15 23:34 00:06 Jupiter 1.75164826488187 1.75164746183138 1.75164906793685 2.37970126378776 2.16699406200483 2486166.482185255 5.81634355627496 348.836268819676 21.6582738509279 75.0210518233328 1512726.10082344 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
2105-Mar-23 21:29 00:06 Jupiter 1.92174056393737 1.92173814600535 1.9217429819027 4.28350374129777 4.17934065539746 2489977.395368437 5.82049123384086 437.111541944057 29.3115117204725 -76.6664639932482 2407369.56345358 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
2168-Nov-16 08:15 00:10 Jupiter 1.97104353518149 1.97103955211039 1.97104751834267 3.83119418010886 3.71733544093755 2513225.843838251 9.52243164749284 711.850256580211 26.0945889868756 -76.292015926523 2199245.92213358 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
2179-May-09 06:05 00:12 Jupiter 1.76784369433051 1.76784224900107 1.76784513965642 2.38882168137848 2.17903970617528 2517051.753345941 11.5489704535844 162.995856005973 79.9027892319138 48.1294384946657 358214.985037128 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
2189-Sep-01 00:39 00:13 Jupiter 1.76314188653556 1.76314045973504 1.76314331341786 2.40525386432099 2.19645982632107 2520819.527241173 12.7779009098369 770.025712729408 20.3108613012329 76.7276189990126 1570797.8703454 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47
2200-Feb-08 20:00 00:12 Jupiter 1.93832340134929 1.93831876810686 1.93832803473562 4.35322981428604 4.25166266489137 2524632.333243163 11.915263644895 882.32978220712 29.1133394209577 -77.0455189283017 2480818.21573496 T 16 CATAB v2.0f-lin.ifort 2020-Nov-11 18:47:39 2020-Nov-11 18:47

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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