+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102348 (1999 TT122) Classification: Main-belt Asteroid          SPK-ID: 2102348 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2116283813538064 4.0882e-08   a 3.195314845737803 2.2269e-08 au q 2.519095537018524 1.2949e-07 au i 13.43270486549392 5.4633e-06 deg node 186.9329570164359 1.925e-05 deg peri 250.2029441104526 2.3019e-05 deg M 226.8938734482886 1.3391e-05 deg tp 2459971.873042517150 (2023-Jan-27.37304252) 8.2e-05 TDB period 2086.262311887579 5.71 2.1809e-05 5.971e-08 d yr n .1725573998766647 1.8039e-09 deg/d Q 3.871534154457082 2.6981e-08 au   Orbit Determination Parameters    # obs. used (total)      617      data-arc span      7176 days (19.65 yr)      first obs. used      1999-10-02      last obs. used      2019-05-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59925      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:35:04   Additional Information  Earth MOID = 1.57094 au   Jupiter MOID = 1.72508 au   T_jup = 3.118  [ 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 14.7   n/a MPO436479   diameter diameter 6.696 km 0.380 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.057   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   102348 (1999 TT122)          Discovered 1999-Oct-04 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ 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 1901-Jul-18 10:05 00:05 Jupiter 1.77912601449668 1.77912499074483 1.77912703825992 0.852242714368739 n/a 2415583.919882458 4.77344275941135 405.108478017672 42.3350541325674 -85.9394195204129 6269531.50750438 F 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 1912-Apr-19 02:24 00:03 Jupiter 1.73133025299358 1.73132958229262 1.73133092369484 2.32830406210048 2.10773228785445 2419511.600009819 3.12837667993406 252.942754710635 63.5365186762063 -75.5343815441754 854810.47425147 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 1923-Apr-03 15:05 00:02 Jupiter 1.83428346108316 1.83428249675422 1.8342844254197 3.44471059179065 3.30794273341592 2423513.128238654 2.35047120153827 252.798043692189 24.963332381367 83.675621349195 1832102.00430235 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 2021-Aug-11 15:44 < 00:01 Jupiter 1.84601278273173 1.84601213701726 1.84601342844621 3.70179093039815 3.57569269481414 2459438.155263105 0.418308618455164 72.3480664299006 27.2036216789581 -89.955142504819 1975553.74709893 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 2032-May-28 00:01 00:01 Jupiter 1.76429310174657 1.76429231937535 1.76429388411719 1.42965909779118 1.0410291490093 2463380.500579153 1.03129635242269 432.936820083171 114.405337627413 8.41372562017629 808079.532723183 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 2043-Feb-02 16:03 00:02 Jupiter 1.75330005419627 1.7532993120986 1.75330079629395 1.65104626198417 1.32655570593012 2467283.168551893 1.55015534740297 302.74192612843 146.941862808172 39.6754537289278 817721.537676246 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 2053-Dec-25 17:20 00:02 Jupiter 1.84181507966213 1.84181416534792 1.84181599397948 3.12539990104052 2.97461849757174 2471262.221907373 1.81075036662725 187.60575186827 25.0467985703139 83.9619609556701 1480471.5968745 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 2152-May-24 14:38 00:05 Jupiter 1.8326292003384 1.83262741160168 1.83263098911908 4.1715303012501 4.05922227313641 2507206.109539122 4.69026977860934 495.090322876353 27.4425029056214 82.5391669549364 1915936.58467885 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 2163-Apr-10 15:12 00:06 Jupiter 1.73213328514127 1.73213252851555 1.73213404176669 2.34914434317649 2.13083747888248 2511179.133148515 5.65322029713022 462.013638284311 50.9938579484182 -67.1307511091841 909289.592489597 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 2173-Dec-27 17:46 00:07 Jupiter 1.75314568708492 1.75314462378953 1.7531467504067 0.774954374318993 n/a 2515093.240425321 7.12207328949602 460.398909620559 35.5628067984975 85.084975004005 7345779.48866645 F 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 2184-Oct-11 19:03 00:06 Jupiter 1.84717490005793 1.84717297683367 1.84717682331884 2.60967376008676 2.42761130129891 2519034.293546707 6.33498857456845 489.027774594031 32.5473706723384 -86.9066160999899 942745.858111083 T 21 CATAB v2.0f-lin.ifort 2020-Feb-24 01:35:19 2020-Feb-24 01:35 Alternate Designations  1999 TT122 = 1999 TW149  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-13 03:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin