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393748 (2005 EC141)
Classification: Main-belt Asteroid          SPK-ID: 2393748
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2137064387106659 8.8453e-08  
a 2.674493390563191 3.0309e-08 au
q 2.102936932710717 2.4329e-07 au
i 6.127673524417682 7.8648e-06 deg
node 225.1082638210175 7.8372e-05 deg
peri 299.0779384366787 8.0219e-05 deg
M 212.8588323678775 1.8628e-05 deg
tp 2459853.468780727980
(2022-Sep-30.96878073)
8.8941e-05 TDB
period 1597.573030341747
4.37
2.7157e-05
7.435e-08
d
yr
n .2253418110864016 3.8305e-09 deg/d
Q 3.246049848415664 3.6786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      7596 days (20.80 yr)  
   first obs. used      1999-11-29  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .71653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:35:18  

Additional Information
 Earth MOID = 1.11799 au 
 Jupiter MOID = 1.78268 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457552.5 (2016-Jun-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117694719061265 8.8835e-08  
q 2.110381053575695 2.4433e-07 au
tp 2458255.168668608856
(2018-May-16.66866861)
7.6526e-05 TDB
node 225.1856010180478 7.8256e-05 deg
peri 299.0964356647516 8.0138e-05 deg
i 6.128577769847439 7.8678e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      7596 days (20.80 yr)  
   first obs. used      1999-11-29  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .71653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:35:18  

Additional Information
 Jupiter MOID = 1.78268 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.891744148760696E-15 -2.160601337911865E-14 -6.053056300219528E-13 7.977593781842897E-14 1.034686905713597E-13 -1.205237482107681E-14
q -2.160601337911865E-14 5.969764295102126E-14 2.241732598970875E-12 -2.212347915622492E-13 -2.195105842668358E-13 3.375377296896956E-14
tp -6.053056300219528E-13 2.241732598970875E-12 5.856247550741857E-9 -2.179889216319087E-11 1.359135738883E-9 7.439732504119283E-12
node 7.977593781842897E-14 -2.212347915622492E-13 -2.179889216319087E-11 6.123924330270295E-9 -6.090865605375719E-9 -6.545118651079846E-11
peri 1.034686905713597E-13 -2.195105842668358E-13 1.359135738883E-9 -6.090865605375719E-9 6.422047369832248E-9 6.643139651721856E-11
i -1.205237482107681E-14 3.375377296896956E-14 7.439732504119283E-12 -6.545118651079846E-11 6.643139651721856E-11 6.190284594484828E-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 16.9   n/a MPO437612  

393748 (2005 EC141)          Discovered 2005-Mar-10 by CSS at Catalina
Reference: Last Updated: 2014-05-15

[ 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
1915-Sep-28 01:31 00:05 Jupiter 1.78134204125837 1.78134120710047 1.78134287542103 1.39566666042313 0.998444664224914 2420768.563156918 5.13426577649883 894.10452621993 284.083822646906 -24.7892408647361 598298.229377518 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 11:35:18 2021-Apr-14 11:35
1950-Mar-18 05:09 00:03 Jupiter 1.94611156559871 1.94610940876633 1.94611372243828 1.4826048043299 1.15223269263398 2433358.714542039 3.48343499110059 581.657500499113 105.865443177744 38.4771762461516 1371253.94529599 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 11:35:18 2021-Apr-14 11:35
1998-Dec-11 21:49 < 00:01 Jupiter 1.78412438102439 1.78412358924993 1.78412517279915 1.56720618630921 1.22744638350342 2451159.409125872 0.941145710346603 265.334660005874 171.295578127464 -16.8690159117561 767251.431269021 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 11:35:18 2021-Apr-14 11:35
2033-Jun-05 02:15 < 00:01 Jupiter 1.90766023259926 1.90765939321578 1.90766107198338 1.33133196519844 0.940437344748785 2463753.593791325 0.991845403836169 391.294677495412 162.346175552202 20.14858391167 1142091.86362196 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 11:35:18 2021-Apr-14 11:35
2082-Feb-25 09:48 00:03 Jupiter 1.79371048829438 1.79370934809228 1.79371162851013 1.75645852259621 1.46311667158775 2481550.908270470 3.32145807589063 411.978362738778 132.034432463298 -65.0428066368877 862138.145133995 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 11:35:18 2021-Apr-14 11:35
2116-Aug-20 15:46 00:05 Jupiter 1.87775457461759 1.87775211141353 1.87775703780917 1.26379341656483 0.833671696826252 2494145.156793499 5.25077097444099 818.471217081878 251.41972536318 16.3329280847839 646872.302014579 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 11:35:18 2021-Apr-14 11:35
2165-May-11 07:13 00:07 Jupiter 1.81333278495036 1.81333028809808 1.81333528189418 1.94568007907867 1.68862508647655 2511940.800568249 7.39606953199591 782.240587570066 86.6590971506417 -78.0232909442453 957736.271149155 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 11:35:18 2021-Apr-14 11:35
2199-Nov-08 12:50 00:09 Jupiter 1.83571909353334 1.83571533614999 1.83572285091095 1.23259293412808 0.772309313691519 2524540.034641822 9.40136431387455 832.922490787955 365.892198846536 14.3437836451263 641358.085121916 T 12 CATAB v2.0f-lin.ifort 2021-Apr-14 11:35:18 2021-Apr-14 11:35
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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