+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102249 (1999 TE27) Classification: Main-belt Asteroid          SPK-ID: 2102249 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1853809204618695 6.8983e-08   a 2.58133263486377 1.5016e-08 au q 2.102802814994461 1.7261e-07 au i 14.09443813075866 6.2129e-06 deg node 26.80048339586726 2.236e-05 deg peri 341.15947784 2.8133e-05 deg M 55.80269056459517 2.2791e-05 deg tp 2458965.689764857410 (2020-Apr-26.18976486) 9.4352e-05 TDB period 1514.831700695178 4.15 1.3218e-05 3.619e-08 d yr n .2376501626119857 2.0736e-09 deg/d Q 3.059862454733078 1.7799e-08 au   Orbit Determination Parameters    # obs. used (total)      706      data-arc span      10168 days (27.84 yr)      first obs. used      1993-04-17      last obs. used      2021-02-17      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5053      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:41:05   Additional Information  Earth MOID = 1.10641 au   Jupiter MOID = 2.41131 au   T_jup = 3.358  [ hide covariance matrix ] Orbital Elements at Epoch 2456425.5 (2013-May-13.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1877944254094815 6.9378e-08   q 2.095095058592014 1.7404e-07 au tp 2455937.935279295300 (2012-Jan-11.43527930) 7.5322e-05 TDB node 26.87621333285665 2.2313e-05 deg peri 341.13216902933 2.7922e-05 deg i 14.11785295875478 6.2209e-06 deg   Orbit Determination Parameters    # obs. used (total)      706      data-arc span      10168 days (27.84 yr)      first obs. used      1993-04-17      last obs. used      2021-02-17      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5053      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:41:05   Additional Information  Jupiter MOID = 2.41131 au   T_jup = 3.358  Orbit Covariance (6×6)   e q tp node peri i e 4.813294945492263E-15 -1.205184929834989E-14 1.73033293824892E-12 4.97935184534637E-15 2.028099295195802E-13 -5.4378119637632E-15 q -1.205184929834989E-14 3.029064105283754E-14 -3.94551239870952E-12 -1.21531661202608E-14 -4.160408609822332E-13 1.241973653543231E-14 tp 1.73033293824892E-12 -3.94551239870952E-12 5.673441386074444E-9 2.08033523398415E-11 1.275429437239138E-9 -2.314771011634095E-11 node 4.97935184534637E-15 -1.21531661202608E-14 2.08033523398415E-11 4.978626140833118E-10 -4.775821435251106E-10 -5.277209463196168E-12 peri 2.028099295195802E-13 -4.160408609822332E-13 1.275429437239138E-9 -4.775821435251106E-10 7.796593298634491E-10 -1.334665905021734E-13 i -5.4378119637632E-15 1.241973653543231E-14 -2.314771011634095E-11 -5.277209463196168E-12 -1.334665905021734E-13 3.869963714881037E-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 15.12   n/a E2021B55   102249 (1999 TE27)          Discovered 1999-Oct-03 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 00:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin