+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   379934 (2012 LN4) Classification: Main-belt Asteroid          SPK-ID: 2379934 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2199256166880346 5.9035e-08   a 2.744302025331349 3.7859e-08 au q 2.14075971003213 1.5979e-07 au i 8.144333140481985 5.9239e-06 deg node 222.3102852713224 5.6487e-05 deg peri 63.10794410505337 5.8462e-05 deg M 244.7581969821384 1.7148e-05 deg tp 2459532.061881197413 (2021-Nov-13.56188120) 8.4233e-05 TDB period 1660.528317154226 4.55 3.4361e-05 9.408e-08 d yr n .2167984708727879 4.4862e-09 deg/d Q 3.347844340630568 4.6185e-08 au   Orbit Determination Parameters    # obs. used (total)      167      data-arc span      6556 days (17.95 yr)      first obs. used      2002-03-05      last obs. used      2020-02-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56683      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 18:00:43   Additional Information  Earth MOID = 1.13935 au   Jupiter MOID = 1.86257 au   T_jup = 3.299  [ hide covariance matrix ] Orbital Elements at Epoch 2457587.5 (2016-Jul-18.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2196307049507108 5.8986e-08   q 2.142286795375079 1.5939e-07 au tp 2457870.057031595887 (2017-Apr-26.55703160) 7.2851e-05 TDB node 222.3309825987596 5.6482e-05 deg peri 62.84324800469289 5.8468e-05 deg i 8.143345034530579 5.9245e-06 deg   Orbit Determination Parameters    # obs. used (total)      167      data-arc span      6556 days (17.95 yr)      first obs. used      2002-03-05      last obs. used      2020-02-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56683      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 18:00:43   Additional Information  Jupiter MOID = 1.86257 au   T_jup = 3.299  Orbit Covariance (6×6)   e q tp node peri i e 3.479338303496681E-15 -9.244368436052721E-15 1.906886108485469E-12 1.344776536548018E-14 4.042160717816472E-13 -5.861165695278782E-15 q -9.244368436052721E-15 2.540671705855975E-14 -4.932368604791144E-12 -2.240211216018952E-14 -1.098245019479982E-12 1.613719902619847E-14 tp 1.906886108485469E-12 -4.932368604791144E-12 5.307339325067787E-9 2.062453190593443E-11 1.194276487732102E-9 -5.965594275562557E-12 node 1.344776536548018E-14 -2.240211216018952E-14 2.062453190593443E-11 3.190225367532881E-9 -3.153512406222308E-9 -1.04627870413034E-10 peri 4.042160717816472E-13 -1.098245019479982E-12 1.194276487732102E-9 -3.153512406222308E-9 3.418473528864532E-9 1.022045046493015E-10 i -5.861165695278782E-15 1.613719902619847E-14 -5.965594275562557E-12 -1.04627870413034E-10 1.022045046493015E-10 3.509971809711098E-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 16.6   n/a MPO423399   379934 (2012 LN4)          Discovered 2004-Oct-06 by Spacewatch at Kitt Peak Reference: Last Updated: 2013-11-20 [ show close-approach data ] Alternate Designations  2012 LN4 = 2004 TY158  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 04:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin