+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   74559 (1999 LQ14) Classification: Main-belt Asteroid          SPK-ID: 2074559 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1979320540789223 3.3011e-08   a 2.186096021021299 9.947e-09 au q 1.753397545166794 6.9466e-08 au i 7.932271623227181 5.2175e-06 deg node 80.93159612784487 4.9316e-05 deg peri 215.4876568611239 5.4313e-05 deg M 137.0660277017162 2.322e-05 deg tp 2458551.000095841267 (2019-Mar-08.50009584) 7.4728e-05 TDB period 1180.598637098446 3.23 8.0578e-06 2.206e-08 d yr n .304930048779974 2.0812e-09 deg/d Q 2.618794496875803 1.1916e-08 au   Orbit Determination Parameters    # obs. used (total)      377      data-arc span      7505 days (20.55 yr)      first obs. used      1999-05-12      last obs. used      2019-11-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .63093      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 07:26:46   Additional Information  Earth MOID = .744177 au   Jupiter MOID = 2.58338 au   T_jup = 3.639  [ hide covariance matrix ] Orbital Elements at Epoch 2457556.5 (2016-Jun-17.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .198052943878087 3.2981e-08   q 1.75303095953138 6.9406e-08 au tp 2457371.071297084156 (2015-Dec-14.57129708) 7.1602e-05 TDB node 80.93891896599433 4.9337e-05 deg peri 215.5963950210715 5.4344e-05 deg i 7.930960063045128 5.2181e-06 deg   Orbit Determination Parameters    # obs. used (total)      377      data-arc span      7505 days (20.55 yr)      first obs. used      1999-05-12      last obs. used      2019-11-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .63093      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 07:26:46   Additional Information  Jupiter MOID = 2.58338 au   T_jup = 3.639  Orbit Covariance (6×6)   e q tp node peri i e 1.087763210016549E-15 -2.27627098330047E-15 4.339601739575309E-13 -1.742004817087874E-14 1.34338273414271E-13 1.141872119329094E-15 q -2.27627098330047E-15 4.817158783022878E-15 -7.517505236992124E-13 3.219768018844192E-14 -2.27268763758901E-13 -2.365937626293556E-15 tp 4.339601739575309E-13 -7.517505236992124E-13 5.126887353302259E-9 -7.744653160866905E-11 1.686360506870117E-9 -3.285124029187022E-12 node -1.742004817087874E-14 3.219768018844192E-14 -7.744653160866905E-11 2.434153383848754E-9 -2.435549602287351E-9 -1.616585796867984E-10 peri 1.34338273414271E-13 -2.27268763758901E-13 1.686360506870117E-9 -2.435549602287351E-9 2.953216996482758E-9 1.591828339665417E-10 i 1.141872119329094E-15 -2.365937626293556E-15 -3.285124029187022E-12 -1.616585796867984E-10 1.591828339665417E-10 2.7228940883354E-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 16.7   n/a MPO337820   74559 (1999 LQ14)          Discovered 1999-Jun-10 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-29 12:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin