+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07305849209736096 8.4705e-08   a 5.282496160724384 2.217e-07 au q 4.896564956711762 6.1076e-07 au i 3.611249292850936 1.326e-05 deg node 325.8811955533487 0.00010903 deg peri 92.78303592334987 0.00015235 deg M 314.4701569040202 0.00011306 deg tp 2459957.355347307803 (2023-Jan-12.85534731) 0.0014137 TDB period 4434.628175747811 12.14 0.00027918 7.644e-07 d yr n .0811792975043039 5.1106e-09 deg/d Q 5.668427364737006 2.379e-07 au   Orbit Determination Parameters    # obs. used (total)      198      data-arc span      7247 days (19.84 yr)      first obs. used      2001-02-02      last obs. used      2020-12-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52487      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 05:14:51   Additional Information  Earth MOID = 3.91097 au   Jupiter MOID = .162185 au   T_jup = 2.991  [ hide covariance matrix ] Orbital Elements at Epoch 2457678.5 (2016-Oct-17.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07031253176328552 8.6344e-08   q 4.927272448607822 6.1568e-07 au tp 2455490.591954627385 (2010-Oct-21.09195463) 0.0013238 TDB node 325.9930729949017 0.00010918 deg peri 91.02963412915385 0.00015486 deg i 3.604014565029131 1.3238e-05 deg   Orbit Determination Parameters    # obs. used (total)      198      data-arc span      7247 days (19.84 yr)      first obs. used      2001-02-02      last obs. used      2020-12-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52487      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 05:14:51   Additional Information  Jupiter MOID = .162185 au   T_jup = 2.991  Orbit Covariance (6×6)   e q tp node peri i e 7.455230038796567E-15 -5.159653575644407E-14 -6.84315237391498E-11 -1.338728572185336E-14 -5.96678637205574E-12 -2.96078107328012E-15 q -5.159653575644407E-14 3.790603837167164E-13 4.694211866683819E-10 1.07291531656177E-13 4.211106317287738E-11 2.585207049714346E-14 tp -6.84315237391498E-11 4.694211866683819E-10 1.752573307770202E-6 1.772320154627497E-10 1.450140697709651E-7 2.490985174628106E-11 node -1.338728572185336E-14 1.07291531656177E-13 1.772320154627497E-10 1.192042875921361E-8 -1.188083472881042E-8 6.427924988993161E-10 peri -5.96678637205574E-12 4.211106317287738E-11 1.450140697709651E-7 -1.188083472881042E-8 2.398219481962941E-8 -6.390389698707644E-10 i -2.96078107328012E-15 2.585207049714346E-14 2.490985174628106E-11 6.427924988993161E-10 -6.390389698707644E-10 1.752542351852178E-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 14.11   n/a E2021B55   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 ] 2021-Aug-05 15:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin