+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   233828 (2008 UP244) Classification: Main-belt Asteroid          SPK-ID: 2233828 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1359906134880504 9.9648e-08   a 2.656019358254995 3.9315e-08 au q 2.29482565628976 2.842e-07 au i 14.51906135656194 9.4087e-06 deg node 307.1776723770778 2.5925e-05 deg peri 20.1804635844229 3.3415e-05 deg M 296.6866866081915 2.6627e-05 deg tp 2459278.559554314931 (2021-Mar-05.05955431) 0.00012089 TDB period 1581.048821973771 4.33 3.5105e-05 9.611e-08 d yr n .2276969534378947 5.0557e-09 deg/d Q 3.01721306022023 4.4662e-08 au   Orbit Determination Parameters    # obs. used (total)      201      data-arc span      7153 days (19.58 yr)      first obs. used      1999-09-05      last obs. used      2019-04-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .546      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 12:48:42   Additional Information  Earth MOID = 1.28706 au   Jupiter MOID = 2.30587 au   T_jup = 3.330  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.6   n/a MPO437098   233828 (2008 UP244)          Discovered 2008-Oct-26 by CSS at Catalina Reference: 20100228/Numbers.arc Last Updated: 2010-03-03 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-07 17:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin