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347449 (2012 TW236)
Classification: Centaur          SPK-ID: 2347449
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5692520141868561 3.8185e-08  
a 6.968282289552175 2.9632e-07 au
q 3.001573560802002 2.4775e-07 au
i 11.95951506597673 9.1693e-06 deg
node 179.480575823288 3.5637e-05 deg
peri 326.4060134564753 3.699e-05 deg
M 107.3064409385081 8.1521e-06 deg
tp 2457197.825718085123
(2015-Jun-24.32571809)
9.3594e-05 TDB
period 6718.727554318039
18.39
0.00042856
1.173e-06
d
yr
n .05358157435162447 3.4177e-09 deg/d
Q 10.93499101830235 4.6499e-07 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7001 days (19.17 yr)  
   first obs. used      1998-04-23  
   last obs. used      2017-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45908  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:43:26  

Additional Information
 Earth MOID = 2.02247 au 
 Jupiter MOID = .704245 au 
 T_jup = 2.608 
[ show covariance matrix ]

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 12.3   n/a MPO434189  

347449 (2012 TW236)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ 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
1937-Feb-01 19:07 00:06 Saturn 0.958855701705433 0.958850687796989 0.958860715614422 3.87572436587533 3.80686744619619 2428566.296517082 5.95971345630206 253.355377760978 142.213429095965 6.42426438973323 716317.999473768 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 08:43:28 2021-Apr-14 08:43
1941-Mar-17 12:10 00:02 Jupiter 0.865202062791457 0.865191878795297 0.865212247044834 7.23754955138088 7.1009962214781 2430071.006654734 2.28502862545479 914.546451509003 79.7013481495356 -55.7978034655103 1571646.5389654 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 08:43:28 2021-Apr-14 08:43
1976-Dec-03 17:36 00:03 Jupiter 1.68004668282683 1.68002771806341 1.6800656477037 4.81576231182053 4.70990812336909 2443116.233307652 2.6410625300543 1176.06140218038 70.1354214604055 -34.3844003269567 1851277.51390392 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 08:43:28 2021-Apr-14 08:43
2021-Jan-19 21:25 00:02 Saturn 1.93619968581568 1.93619438806941 1.93620498356195 4.95703927502893 4.93054400775617 2459234.392524201 2.11483650927013 263.982576879986 230.372750358774 3.54597672730912 979800.135705903 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 08:43:28 2021-Apr-14 08:43
2053-Oct-16 10:42 00:10 Jupiter 1.39691314661199 1.39690037493036 1.39692591845267 6.29985385225192 6.20285841456479 2471191.946146644 9.63427871875859 987.844368306254 78.0127054482356 49.7482580320047 1497774.74903977 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 08:43:28 2021-Apr-14 08:43
2083-Dec-14 03:05 00:04 Saturn 1.383839437815 1.38381259685087 1.38386627882302 5.74750566538924 5.71552972924201 2482207.628408840 3.96397398991732 1395.17353254313 187.795566565828 -17.1098772257881 281844.458681503 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 08:43:28 2021-Apr-14 08:43
2090-Apr-12 16:41 00:07 Jupiter 1.1135289183845 1.11351075654389 1.11354708118747 9.72222129531241 9.64366407801516 2484519.195249693 7.47606865809643 1880.54518778822 94.584317000379 -61.641954186658 1328827.74025071 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 08:43:28 2021-Apr-14 08:43
2142-May-20 20:34 00:07 Jupiter 1.28115559839861 1.28111832922552 1.28119286819705 11.1976028688225 11.1384034359728 2503549.357230440 6.62356513909126 2336.71320986915 78.4307675251976 37.6321013349038 1184883.26273077 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 08:43:28 2021-Apr-14 08:43
2169-Jul-01 12:18 00:27 Saturn 1.54064196953733 1.54063370131481 1.54065023793447 3.80026317461259 3.75669595884641 2513453.012768670 27.1283981063463 1067.35788472536 226.712906548308 -70.9659703169243 988558.965985685 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 08:43:28 2021-Apr-14 08:43
2178-Jan-17 16:58 00:11 Jupiter 1.06368690870764 1.06363385417288 1.06373996685975 10.2486677944698 10.1706723151844 2516575.206733378 10.9069881957267 4080.25881731449 74.8217754248377 49.9069570096369 1352647.29012686 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 08:43:28 2021-Apr-14 08:43

Alternate Designations
 2012 TW236 = 1998 HO121 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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