+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   359768 (2011 UH126) Classification: Main-belt Asteroid          SPK-ID: 2359768 [ 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 .1661426854863028 5.7214e-08   a 2.209938789897683 1.6378e-08 au q 1.842773624583731 1.3311e-07 au i 4.835590716018976 4.7249e-06 deg node 282.4667248078906 6.2935e-05 deg peri 45.17681767745742 6.4289e-05 deg M 335.9152750422647 1.7288e-05 deg tp 2459280.780114754752 (2021-Mar-07.28011475) 5.8227e-05 TDB period 1199.965594891659 3.29 1.3339e-05 3.652e-08 d yr n .3000086015236988 3.335e-09 deg/d Q 2.577103955211634 1.9099e-08 au   Orbit Determination Parameters    # obs. used (total)      172      data-arc span      6867 days (18.80 yr)      first obs. used      2001-08-28      last obs. used      2020-06-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54978      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 09:29:22   Additional Information  Earth MOID = .832854 au   Jupiter MOID = 2.74612 au   T_jup = 3.635  [ hide covariance matrix ] Orbital Elements at Epoch 2457610.5 (2016-Aug-10.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1655871701738742 5.7269e-08   q 1.844424388211262 1.3313e-07 au tp 2458080.944638705080 (2017-Nov-23.44463870) 5.029e-05 TDB node 282.5258110862034 6.2943e-05 deg peri 45.05382034590515 6.4301e-05 deg i 4.834508136871917 4.7247e-06 deg   Orbit Determination Parameters    # obs. used (total)      172      data-arc span      6867 days (18.80 yr)      first obs. used      2001-08-28      last obs. used      2020-06-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54978      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 09:29:22   Additional Information  Jupiter MOID = 2.74612 au   T_jup = 3.635  Orbit Covariance (6×6)   e q tp node peri i e 3.279794697311396E-15 -7.591386514286814E-15 -2.966289954000009E-13 4.792135310757828E-14 -4.555439916136529E-14 -4.644725442792882E-15 q -7.591386514286814E-15 1.772234525421832E-14 1.018613779726583E-12 -1.042959535699903E-13 1.757809529299845E-13 1.157208478004972E-14 tp -2.966289954000009E-13 1.018613779726583E-12 2.529116776082393E-9 2.854119846563996E-11 6.852237702181868E-10 3.985270283364977E-12 node 4.792135310757828E-14 -1.042959535699903E-13 2.854119846563996E-11 3.961864000376694E-9 -3.938775033162384E-9 6.610589763209677E-11 peri -4.555439916136529E-14 1.757809529299845E-13 6.852237702181868E-10 -3.938775033162384E-9 4.134584660288795E-9 -6.497143329500394E-11 i -4.644725442792882E-15 1.157208478004972E-14 3.985270283364977E-12 6.610589763209677E-11 -6.497143329500394E-11 2.232303119857274E-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 17.78   n/a E2021B25   359768 (2011 UH126)          Discovered 2004-Jul-09 by LINEAR at Socorro Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ show close-approach data ] Alternate Designations  2011 UH126 = 2004 NG9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-20 08:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin