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382278 (2012 TL221)
Classification: Main-belt Asteroid          SPK-ID: 2382278
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 .04117110673499374 6.359e-08  
a 3.083602335729609 4.953e-08 au
q 2.956647014837009 2.01e-07 au
i 11.71531641936746 1.0602e-05 deg
node 15.95454744979935 3.0526e-05 deg
peri 103.1670802628788 0.00017393 deg
M 46.02749554648834 0.00016274 deg
tp 2458747.627955610811
(2019-Sep-21.12795561)
0.00089583 TDB
period 1977.816409501632
5.41
4.7653e-05
1.305e-07
d
yr
n .1820189165538941 4.3855e-09 deg/d
Q 3.210557656622209 5.1569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5919 days (16.21 yr)  
   first obs. used      2004-02-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:41:55  

Additional Information
 Earth MOID = 1.99847 au 
 Jupiter MOID = 1.82341 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457312.5 (2015-Oct-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04233801406373008 6.4392e-08  
q 2.95209366230103 2.0411e-07 au
tp 2456774.026291245772
(2014-Apr-26.52629125)
0.00088049 TDB
node 15.97870041372263 3.0523e-05 deg
peri 103.9345191861517 0.00016861 deg
i 11.71739492251205 1.0603e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      5919 days (16.21 yr)  
   first obs. used      2004-02-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57879  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:41:55  

Additional Information
 Jupiter MOID = 1.82341 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.146310438275881E-15 -1.278677124420395E-14 2.659555531782335E-11 -2.558032632658484E-14 4.98777218047242E-12 -8.409887908309044E-15
q -1.278677124420395E-14 4.166257496921607E-14 -9.632154411011347E-11 1.005267217661483E-13 -1.798814856447646E-11 2.692354548118104E-14
tp 2.659555531782335E-11 -9.632154411011347E-11 7.752540087871132E-7 -8.532611877075123E-10 1.460299083464302E-7 5.136323296403917E-11
node -2.558032632658484E-14 1.005267217661483E-13 -8.532611877075123E-10 9.316684377405944E-10 -1.071195962902627E-9 -9.935448649108872E-11
peri 4.98777218047242E-12 -1.798814856447646E-11 1.460299083464302E-7 -1.071195962902627E-9 2.842925871693839E-8 1.073745706561816E-10
i -8.409887908309044E-15 2.692354548118104E-14 5.136323296403917E-11 -9.935448649108872E-11 1.073745706561816E-10 1.12422060741699E-10

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 15.8   n/a MPO460499  

382278 (2012 TL221)          Discovered 2004-Feb-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ 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
1904-Apr-10 00:49 00:08 Jupiter 1.83752172514268 1.83752050181367 1.83752294847179 4.36710567081668 4.2602457172331 2416580.534133538 7.90921010059155 452.376335045999 55.5250123122067 89.8586939670121 1354411.27538037 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:41:57 2020-May-22 00:42
1964-Feb-28 19:50 00:04 Jupiter 1.89728585922076 1.8972844655075 1.89728725293553 4.43092550486019 4.328997887426 2438454.326618269 3.66874620719017 167.239705969985 52.755180340109 -75.0779121183176 1469432.21919012 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:41:57 2020-May-22 00:42
1974-Feb-03 20:38 00:03 Jupiter 1.95354598497238 1.9535446128381 1.95354735710666 3.72060628476283 3.60218641693092 2442082.359937551 3.05378952986292 92.0593111523919 67.4861502734839 -83.8796663653756 1431628.6272502 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:41:57 2020-May-22 00:42
2034-Jan-03 15:58 00:02 Jupiter 1.86034064327519 1.86033962792523 1.86034165862504 4.08856735727649 3.97564748271447 2463966.165341925 1.53784325092384 155.308613975119 45.3385053538707 -88.3164090705216 1351179.26978176 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:41:57 2020-May-22 00:42
2093-Nov-26 02:11 00:06 Jupiter 1.8265633894124 1.82656220975882 1.82656456906619 4.31085526937544 4.20190716242695 2485842.590986943 5.76255424502566 423.81614994548 52.9537738512344 89.8559723359396 1341171.92951581 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:41:57 2020-May-22 00:42
2153-Oct-18 17:45 00:10 Jupiter 1.86936226311021 1.86935912989503 1.86936539632529 4.36103194018673 4.25586467094672 2507718.239557662 10.1437155519665 170.99854057732 148.402631478177 -63.3375623994965 1068784.23987926 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:41:57 2020-May-22 00:42
2163-Sep-23 04:24 00:12 Jupiter 1.98571831661115 1.98571388303119 1.98572275019281 3.7356904213179 3.61970557542063 2511344.683559283 11.5716471695527 241.436210201741 82.1840948667797 -5.25920699564411 1451097.54456396 T 16 CATAB v2.0f-lin.ifort 2020-May-22 00:41:57 2020-May-22 00:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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