+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312424 (2008 GC63) Classification: Main-belt Asteroid          SPK-ID: 2312424 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1008657590550589 6.2326e-08   a 3.036263685958099 3.4038e-08 au q 2.730008644582624 1.8032e-07 au i 6.925551118417564 7.1503e-06 deg node 6.754964304883115 4.5692e-05 deg peri 198.1267831460725 5.5834e-05 deg M 101.1908833726214 3.1967e-05 deg tp 2458457.316534671044 (2018-Dec-04.81653467) 0.00017116 TDB period 1932.447281820369 5.29 3.2495e-05 8.897e-08 d yr n .1862922747682303 3.1326e-09 deg/d Q 3.342518727333573 3.7471e-08 au   Orbit Determination Parameters    # obs. used (total)      231      data-arc span      5496 days (15.05 yr)      first obs. used      2005-09-29      last obs. used      2020-10-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57241      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 18:47:30   Additional Information  Earth MOID = 1.72751 au   Jupiter MOID = 1.62602 au   T_jup = 3.223  [ hide covariance matrix ] Orbital Elements at Epoch 2458076.5 (2017-Nov-19.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09887989570975651 6.2392e-08   q 2.735168855153571 1.7947e-07 au tp 2458459.303988737545 (2018-Dec-06.80398874) 0.00017405 TDB node 6.93992047600543 4.5668e-05 deg peri 198.5011799463789 5.6095e-05 deg i 6.928480734520334 7.1458e-06 deg   Orbit Determination Parameters    # obs. used (total)      231      data-arc span      5496 days (15.05 yr)      first obs. used      2005-09-29      last obs. used      2020-10-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57241      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 18:47:30   Additional Information  Jupiter MOID = 1.62602 au   T_jup = 3.223  Orbit Covariance (6×6)   e q tp node peri i e 3.892729972616639E-15 -1.105867759807065E-14 -4.236558481844798E-12 2.481379702902577E-14 -9.601966342740273E-13 -2.092988084048952E-15 q -1.105867759807065E-14 3.221101869110588E-14 1.284385165455184E-11 -7.662039650019814E-14 2.847469968983671E-12 7.455092119281408E-15 tp -4.236558481844798E-12 1.284385165455184E-11 3.029507590149115E-8 -1.287748766725593E-11 5.687932455071596E-9 -4.936115887155332E-12 node 2.481379702902577E-14 -7.662039650019814E-14 -1.287748766725593E-11 2.08555737626385E-9 -2.072850869963474E-9 -1.432745693777887E-10 peri -9.601966342740273E-13 2.847469968983671E-12 5.687932455071596E-9 -2.072850869963474E-9 3.146616615362545E-9 1.413025808650788E-10 i -2.092988084048952E-15 7.455092119281408E-15 -4.936115887155332E-12 -1.432745693777887E-10 1.413025808650788E-10 5.106175694365619E-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 16.20   n/a E2021B25   312424 (2008 GC63)          Discovered 2008-Apr-05 by CSS at Catalina Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ show close-approach data ] Alternate Designations  2008 GC63 = 2005 SY235  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-02 18:52 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin