+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437099 (2012 UB99) Classification: Main-belt Asteroid          SPK-ID: 2437099 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09506126213295669 9.454e-08   a 2.738743516438204 3.4195e-08 au q 2.478395101107136 2.5028e-07 au i 14.57712738951049 8.2982e-06 deg node 220.4582547629232 3.2469e-05 deg peri 15.40997116668956 5.9426e-05 deg M 43.71195054730755 4.4462e-05 deg tp 2458799.487457807454 (2019-Nov-11.98745781) 0.00020514 TDB period 1655.485840445386 4.53 3.1005e-05 8.489e-08 d yr n .2174588215765994 4.0727e-09 deg/d Q 2.999091931769271 3.7446e-08 au   Orbit Determination Parameters    # obs. used (total)      87      data-arc span      6096 days (16.69 yr)      first obs. used      2003-10-20      last obs. used      2020-06-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61391      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 09:41:57   Additional Information  Earth MOID = 1.47055 au   Jupiter MOID = 1.99389 au   T_jup = 3.298  [ hide covariance matrix ] Orbital Elements at Epoch 2457752.5 (2016-Dec-30.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09385282555060706 9.4923e-08   q 2.480946789458222 2.5067e-07 au tp 2457143.993711911757 (2015-May-01.49371191) 0.00021557 TDB node 220.4886560541501 3.2441e-05 deg peri 15.14695896468213 5.9854e-05 deg i 14.58407386635147 8.3016e-06 deg   Orbit Determination Parameters    # obs. used (total)      87      data-arc span      6096 days (16.69 yr)      first obs. used      2003-10-20      last obs. used      2020-06-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61391      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 09:41:57   Additional Information  Jupiter MOID = 1.99389 au   T_jup = 3.298  Orbit Covariance (6×6)   e q tp node peri i e 9.010336407923657E-15 -2.363310824632984E-14 -4.214336130482362E-12 1.139022416379333E-13 -1.436161770346071E-12 -7.402203089034972E-15 q -2.363310824632984E-14 6.283323210339872E-14 9.387065249118539E-12 -2.946293482611822E-13 3.449812880748886E-12 2.175211988791137E-14 tp -4.214336130482362E-12 9.387065249118539E-12 4.647192567483673E-8 -8.082960443567464E-11 1.086133509132379E-8 -7.759382132383997E-11 node 1.139022416379333E-13 -2.946293482611822E-13 -8.082960443567464E-11 1.052397781847454E-9 -1.04011637727361E-9 6.153833913165314E-11 peri -1.436161770346071E-12 3.449812880748886E-12 1.086133509132379E-8 -1.04011637727361E-9 3.582495612969802E-9 -7.630313580497418E-11 i -7.402203089034972E-15 2.175211988791137E-14 -7.759382132383997E-11 6.153833913165314E-11 -7.630313580497418E-11 6.891657727973732E-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 MPO434607   437099 (2012 UB99)          Discovered 2003-Oct-20 by Spacewatch at Kitt Peak Reference: Last Updated: 2015-06-04 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 17:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin