+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   295354 (2008 HO33) Classification: Main-belt Asteroid          SPK-ID: 2295354 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04917154376117727 4.9901e-08   a 2.680985221735856 2.7581e-08 au q 2.549157039582202 1.4002e-07 au i 9.828840168198141 5.5502e-06 deg node 156.4396978411266 2.755e-05 deg peri 359.8578535930714 5.8571e-05 deg M 329.2863109689274 5.2819e-05 deg tp 2459137.294784314476 (2020-Oct-14.79478431) 0.000236 TDB period 1603.393272081046 4.39 2.4743e-05 6.774e-08 d yr n .2245238309705239 3.4647e-09 deg/d Q 2.81281340388951 2.8937e-08 au   Orbit Determination Parameters    # obs. used (total)      223      data-arc span      6215 days (17.02 yr)      first obs. used      2003-02-09      last obs. used      2020-02-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54957      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 19:49:42   Additional Information  Earth MOID = 1.55853 au   Jupiter MOID = 2.16382 au   T_jup = 3.354  [ hide covariance matrix ] Orbital Elements at Epoch 2457216.5 (2015-Jul-13.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04910477474521661 5.03e-08   q 2.548262522032288 1.4084e-07 au tp 2457542.614398634329 (2016-Jun-03.11439863) 0.00022689 TDB node 156.4800038418546 2.7528e-05 deg peri 1.800212456621741 5.8219e-05 deg i 9.833054457870832 5.5533e-06 deg   Orbit Determination Parameters    # obs. used (total)      223      data-arc span      6215 days (17.02 yr)      first obs. used      2003-02-09      last obs. used      2020-02-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54957      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 19:49:42   Additional Information  Jupiter MOID = 2.16382 au   T_jup = 3.354  Orbit Covariance (6×6)   e q tp node peri i e 2.530058691241601E-15 -6.964094396958611E-15 1.077073103673628E-12 -1.550631808877943E-14 3.170918610613307E-13 -1.395251354826616E-15 q -6.964094396958611E-15 1.983559278259757E-14 -1.32922511519785E-12 4.526950052266544E-14 -5.341146050260594E-13 5.362328803054306E-15 tp 1.077073103673628E-12 -1.32922511519785E-12 5.147684319963285E-8 2.384526310442624E-11 1.165237151868349E-8 1.34905289602009E-12 node -1.550631808877943E-14 4.526950052266544E-14 2.384526310442624E-11 7.577963637402542E-10 -7.413805507234289E-10 1.641540015500896E-11 peri 3.170918610613307E-13 -5.341146050260594E-13 1.165237151868349E-8 -7.413805507234289E-10 3.389411836608234E-9 -1.597234442394563E-11 i -1.395251354826616E-15 5.362328803054306E-15 1.34905289602009E-12 1.641540015500896E-11 -1.597234442394563E-11 3.08386251920226E-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 16.6   n/a MPO413252   295354 (2008 HO33)          Discovered 2008-Apr-26 by Spacewatch at Kitt Peak Reference: 20110912/Numbers.arc Last Updated: 2011-09-14 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-25 21:52 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin