+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   359832 (2011 UH320) Classification: Main-belt Asteroid          SPK-ID: 2359832 [ 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 .08993585517667813 5.6644e-08   a 3.015196170534908 4.0378e-08 au q 2.744021924412406 1.6848e-07 au i 11.70567576742796 7.4716e-06 deg node 78.53615722031566 2.568e-05 deg peri 23.3101229089638 4.4364e-05 deg M 196.3828939554697 3.8588e-05 deg tp 2459869.656519757409 (2022-Oct-17.15651976) 0.00021202 TDB period 1912.369401201295 5.24 3.8414e-05 1.052e-07 d yr n .1882481490102584 3.7814e-09 deg/d Q 3.286370416657409 4.4009e-08 au   Orbit Determination Parameters    # obs. used (total)      258      data-arc span      7202 days (19.72 yr)      first obs. used      2000-09-27      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52156      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 06:36:22   Additional Information  Earth MOID = 1.76483 au   Jupiter MOID = 1.92263 au   T_jup = 3.210  [ hide covariance matrix ] Orbital Elements at Epoch 2457563.5 (2016-Jun-24.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0912394087680225 5.7729e-08   q 2.735693634443731 1.7335e-07 au tp 2457946.016968461391 (2017-Jul-11.51696846) 0.00019298 TDB node 78.57705638088564 2.5636e-05 deg peri 20.98313011520387 4.3758e-05 deg i 11.72272533304374 7.4865e-06 deg   Orbit Determination Parameters    # obs. used (total)      258      data-arc span      7202 days (19.72 yr)      first obs. used      2000-09-27      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52156      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 06:36:22   Additional Information  Jupiter MOID = 1.92263 au   T_jup = 3.210  Orbit Covariance (6×6)   e q tp node peri i e 3.33260475659526E-15 -9.796502361640069E-15 -3.448739317911952E-12 -6.960710845095494E-15 -6.77523773809474E-13 -3.442171412737336E-15 q -9.796502361640069E-15 3.00516527616173E-14 1.27248816654564E-11 2.467585922610997E-14 2.407851775828516E-12 1.031388123681685E-14 tp -3.448739317911952E-12 1.27248816654564E-11 3.724112420788194E-8 4.491266599352237E-11 6.861046070700933E-9 -6.339097350316172E-12 node -6.960710845095494E-15 2.467585922610997E-14 4.491266599352237E-11 6.572038808053313E-10 -6.34840242914657E-10 -4.152571728225432E-11 peri -6.77523773809474E-13 2.407851775828516E-12 6.861046070700933E-9 -6.34840242914657E-10 1.91477837340699E-9 3.948058821192473E-11 i -3.442171412737336E-15 1.031388123681685E-14 -6.339097350316172E-12 -4.152571728225432E-11 3.948058821192473E-11 5.604724244411409E-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 15.6   n/a MPO437519   359832 (2011 UH320)          Discovered 2006-Nov-25 by Spacewatch at Kitt Peak Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-22 21:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin