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91806 (1999 TJ244)
Classification: Main-belt Asteroid          SPK-ID: 2091806
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1437722345274393 5.9412e-08  
a 3.111966111175626 2.2172e-08 au
q 2.66455178959824 1.7667e-07 au
i 18.16755482798324 4.7668e-06 deg
node 187.0937346963658 1.3285e-05 deg
peri 352.0365800711364 1.9607e-05 deg
M 104.2449829404422 1.6588e-05 deg
tp 2458419.864777966614
(2018-Oct-28.36477797)
9.0618e-05 TDB
period 2005.167769574508
5.49
2.1429e-05
5.867e-08
d
yr
n .1795360994039871 1.9187e-09 deg/d
Q 3.559380432753011 2.5359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      630  
   data-arc span      7682 days (21.03 yr)  
   first obs. used      1999-10-07  
   last obs. used      2020-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:38:26  

Additional Information
 Earth MOID = 1.66848 au 
 Jupiter MOID = 1.40526 au 
 T_jup = 3.126 
[ 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 14.6   n/a MPO474797  

91806 (1999 TJ244)          Discovered 1999-Oct-07 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ 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
1929-Feb-07 16:26 00:03 Jupiter 1.84766255472553 1.84765925210633 1.8476658573463 4.39373799495727 4.28813189108226 2425650.184541468 2.95630213485648 194.092011366467 92.1300474870498 35.24810348792 2736836.33510706 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:27 2020-Nov-12 20:38
1939-May-17 14:37 00:02 Jupiter 1.50229663151464 1.50229525159587 1.50229801146535 4.47814960839657 4.35042378069595 2429401.108806792 2.13299255457841 406.047689341864 33.1353502227627 -81.2011905539627 3030049.59552763 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:27 2020-Nov-12 20:38
2000-Apr-30 05:18 < 00:01 Jupiter 1.87447699785696 1.87447604190474 1.87447795380929 4.3099102210472 4.203758240544 2451664.720525514 0.657188374105534 116.612648898665 47.0703365491109 -85.914237188333 3146020.01135486 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:27 2020-Nov-12 20:38
2010-Aug-01 02:26 < 00:01 Jupiter 1.48332874289086 1.48332812188965 1.48332936389224 4.51007203950838 4.38163136707683 2455409.601308963 0.28361675740552 101.126641312198 28.8770692809347 84.4882835339902 3007206.84001282 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:27 2020-Nov-12 20:38
2071-Jun-28 22:09 00:02 Jupiter 1.86873961104005 1.86873776140579 1.86874146067653 4.26250273639447 4.15480590962536 2477656.422859606 1.82295551972868 168.931169408477 67.7567516243401 64.3215459145919 3318073.62101211 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:27 2020-Nov-12 20:38
2081-Sep-25 12:50 00:02 Jupiter 1.48855108582924 1.48854946136626 1.48855271030779 4.52113223317239 4.39347095437795 2481398.034590494 1.82946908713805 285.903377234591 37.0414748247065 -75.1903668352405 3050792.07580365 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:27 2020-Nov-12 20:38
2142-Aug-04 21:15 00:04 Jupiter 1.82990888095308 1.82990479830827 1.82991296360851 4.26735827145186 4.1574743359887 2503625.385650957 4.01486261814213 315.641294883787 82.7093763895859 50.5343833628873 3165741.44918583 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:27 2020-Nov-12 20:38
2152-Nov-02 09:15 00:04 Jupiter 1.51594437321602 1.51594124450395 1.5159475019997 4.51639809382799 4.39094144639374 2507367.885229256 3.6718269406359 565.372783914376 38.447935218839 -74.2785535046628 3087880.50595547 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 20:38:27 2020-Nov-12 20:38

Alternate Designations
 1999 TJ244 = 2002 EJ14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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