+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   295530 (2008 RC124) Classification: Jupiter Trojan          SPK-ID: 2295530 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .072764400054262 8.7526e-08   a 5.28826650276411 3.2487e-07 au q 4.903468963363429 6.8476e-07 au i 3.610633255303591 1.3331e-05 deg node 325.8789449126026 0.00013052 deg peri 91.7286161692672 0.00018914 deg M 283.3129088977041 0.00015126 deg tp 2459946.711431340760 (2023-Jan-02.21143134) 0.0019349 TDB period 4441.896418111439 12.16 0.00040931 1.121e-06 d yr n .0810464644182453 7.4683e-09 deg/d Q 5.67306404216479 3.4851e-07 au   Orbit Determination Parameters    # obs. used (total)      171      data-arc span      6783 days (18.57 yr)      first obs. used      2001-02-02      last obs. used      2019-08-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50539      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 07:00:47   Additional Information  Earth MOID = 3.91804 au   Jupiter MOID = .149929 au   T_jup = 2.991  [ hide covariance matrix ] Orbital Elements at Epoch 2456986.5 (2014-Nov-25.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07047392569372977 8.5985e-08   q 4.928611060819789 6.7294e-07 au tp 2455502.220243814498 (2010-Nov-01.72024381) 0.001701 TDB node 326.0241381153322 0.00013066 deg peri 91.90535253526834 0.00019267 deg i 3.604715624687596 1.3317e-05 deg   Orbit Determination Parameters    # obs. used (total)      171      data-arc span      6783 days (18.57 yr)      first obs. used      2001-02-02      last obs. used      2019-08-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50539      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 07:00:47   Additional Information  Jupiter MOID = .149929 au   T_jup = 2.991  Orbit Covariance (6×6)   e q tp node peri i e 7.393364873515468E-15 -5.384503280308252E-14 -7.94147936406327E-11 -2.968729609251262E-14 -6.872821185912434E-12 -2.332860098613734E-15 q -5.384503280308252E-14 4.528514325241878E-13 7.608967980858884E-10 2.960169497827878E-13 6.648362504057859E-11 2.81135548161859E-14 tp -7.94147936406327E-11 7.608967980858884E-10 2.893466251130797E-6 8.120087272278674E-10 2.406016742651303E-7 5.130084177968169E-11 node -2.968729609251262E-14 2.960169497827878E-13 8.120087272278674E-10 1.707311510590256E-8 -1.696970300864403E-8 6.029258538187432E-10 peri -6.872821185912434E-12 6.648362504057859E-11 2.406016742651303E-7 -1.696970300864403E-8 3.712075314825929E-8 -5.970951408847549E-10 i -2.332860098613734E-15 2.81135548161859E-14 5.130084177968169E-11 6.029258538187432E-10 -5.970951408847549E-10 1.773469402138028E-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.9   n/a MPO494581   295530 (2008 RC124)          Discovered 2008-Sep-06 by Mt. Lemmon Survey at Mount Lemmon Reference: 20110912/Numbers.arc Last Updated: 2011-09-14 Alternate Designations  2008 RC124 = 2009 SE200  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-15 08:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin