+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   357693 (2005 NF68) Classification: Main-belt Asteroid          SPK-ID: 2357693 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1781393271577404 6.4511e-08   a 2.747918504863987 2.498e-08 au q 2.258406151323213 1.7236e-07 au i 12.67100652924853 6.8663e-06 deg node 339.0268574197091 2.6967e-05 deg peri 323.5043093235977 3.3394e-05 deg M 143.673563077485 1.9938e-05 deg tp 2458536.483973573592 (2019-Feb-21.98397357) 8.8634e-05 TDB period 1663.811799423297 4.56 2.2687e-05 6.211e-08 d yr n .2163706256469521 2.9504e-09 deg/d Q 3.237430858404762 2.943e-08 au   Orbit Determination Parameters    # obs. used (total)      181      data-arc span      5663 days (15.50 yr)      first obs. used      2005-07-03      last obs. used      2021-01-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53967      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 16:17:47   Additional Information  Earth MOID = 1.25517 au   Jupiter MOID = 2.10581 au   T_jup = 3.289  [ hide covariance matrix ] Orbital Elements at Epoch 2457328.5 (2015-Nov-02.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1794981856741086 6.4189e-08   q 2.253143807260375 1.715e-07 au tp 2456875.077878948744 (2014-Aug-05.57787895) 8.3142e-05 TDB node 339.1130049178627 2.6937e-05 deg peri 323.6154533684144 3.3301e-05 deg i 12.68285952474174 6.8721e-06 deg   Orbit Determination Parameters    # obs. used (total)      181      data-arc span      5663 days (15.50 yr)      first obs. used      2005-07-03      last obs. used      2021-01-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53967      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 16:17:47   Additional Information  Jupiter MOID = 2.10581 au   T_jup = 3.289  Orbit Covariance (6×6)   e q tp node peri i e 4.120182650965135E-15 -1.093694132486464E-14 3.522827102558282E-13 -1.638487804860273E-14 -8.055543836849945E-14 -1.215762925175808E-14 q -1.093694132486464E-14 2.941361371094591E-14 -8.341358507151819E-13 4.53576943774249E-14 2.621483812280805E-13 3.415655944064753E-14 tp 3.522827102558282E-13 -8.341358507151819E-13 6.912550989837333E-9 3.408682560753439E-11 1.646973210032806E-9 -2.108343657729851E-11 node -1.638487804860273E-14 4.53576943774249E-14 3.408682560753439E-11 7.25611995568994E-10 -6.974296340002619E-10 2.728371889070776E-11 peri -8.055543836849945E-14 2.621483812280805E-13 1.646973210032806E-9 -6.974296340002619E-10 1.108940473038599E-9 -3.105376770045103E-11 i -1.215762925175808E-14 3.415655944064753E-14 -2.108343657729851E-11 2.728371889070776E-11 -3.105376770045103E-11 4.722514694948539E-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 16.2   n/a MPO494860   357693 (2005 NF68)          Discovered 2005-Jul-03 by NEAT at Palomar Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ show close-approach data ] Alternate Designations  2005 NF68 = 2008 EP123  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-11 20:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin