+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   249051 (2007 TM129) Classification: Main-belt Asteroid          SPK-ID: 2249051 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1736697431602215 3.8848e-08   a 2.226780058662698 7.1857e-09 au q 1.840055737800445 8.8373e-08 au i 3.249683041445436 3.4112e-06 deg node 221.360659075199 7.0765e-05 deg peri 130.4266983106033 7.193e-05 deg M 19.77528188363667 1.0785e-05 deg tp 2459133.829364614703 (2020-Oct-11.32936461) 3.6412e-05 TDB period 1213.708551915362 3.32 5.8749e-06 1.608e-08 d yr n .2966115707365508 1.4357e-09 deg/d Q 2.613504379524952 8.4337e-09 au   Orbit Determination Parameters    # obs. used (total)      531      data-arc span      8446 days (23.12 yr)      first obs. used      1997-10-31      last obs. used      2020-12-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54031      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 02:05:58   Additional Information  Earth MOID = .83492 au   Jupiter MOID = 2.82372 au   T_jup = 3.623  [ hide covariance matrix ] Orbital Elements at Epoch 2457798.5 (2017-Feb-14.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1740400715654749 3.8728e-08   q 1.839197044287207 8.8151e-08 au tp 2457920.869869698579 (2017-Jun-16.36986970) 3.7796e-05 TDB node 221.3938210056147 7.0722e-05 deg peri 130.6691713861572 7.1886e-05 deg i 3.250665463626565 3.4123e-06 deg   Orbit Determination Parameters    # obs. used (total)      531      data-arc span      8446 days (23.12 yr)      first obs. used      1997-10-31      last obs. used      2020-12-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54031      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 02:05:58   Additional Information  Jupiter MOID = 2.82372 au   T_jup = 3.623  Orbit Covariance (6×6)   e q tp node peri i e 1.499891544675997E-15 -3.406761082962912E-15 -2.173618524155999E-13 -8.349597291105734E-15 -7.530596004733023E-14 -4.191016753168445E-15 q -3.406761082962912E-15 7.770572270684604E-15 4.120177200133194E-13 1.914531086144494E-14 1.417324110757464E-13 9.535454664226828E-15 tp -2.173618524155999E-13 4.120177200133194E-13 1.428566185345257E-9 1.657911126665959E-11 5.013970204366179E-10 1.235343152375182E-12 node -8.349597291105734E-15 1.914531086144494E-14 1.657911126665959E-11 5.001652192180355E-9 -4.987349489665613E-9 -5.73851024496843E-11 peri -7.530596004733023E-14 1.417324110757464E-13 5.013970204366179E-10 -4.987349489665613E-9 5.167639151671579E-9 5.775501408462103E-11 i -4.191016753168445E-15 9.535454664226828E-15 1.235343152375182E-12 -5.73851024496843E-11 5.775501408462103E-11 1.164396803925148E-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 17.30   n/a E2020-QN2   249051 (2007 TM129)          Discovered 2007-Oct-06 by Spacewatch at Kitt Peak Reference: 20100824/Numbers.arc Last Updated: 2010-08-27 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 01:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin