+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   387733 (2003 GS) Classification: Aten [NEO]          SPK-ID: 2387733 [ 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 86 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2183454787032796 1.2145e-08   a .8928022051201044 1.1682e-09 au q .6978628802558117 1.0685e-08 au i 12.03246761854195 5.5633e-06 deg node 196.2296150332446 7.6143e-06 deg peri 181.8354081641885 1.8242e-05 deg M 285.063995871333 2.3426e-05 deg tp 2459064.638579707895 (2020-Aug-03.13857971) 2.0021e-05 TDB period 308.1281016158328 0.84 6.0477e-07 1.656e-09 d yr n 1.168345237296272 2.2931e-09 deg/d Q 1.087741529984397 1.4233e-09 au   Orbit Determination Parameters    # obs. used (total)      784      # delay obs. used      5      # Doppler obs. used      0      data-arc span      6239 days (17.08 yr)      first obs. used      2003-04-04      last obs. used      2020-05-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .31873      source      ORB      producer      Otto Matic      solution date      2020-May-04 06:04:46   Additional Information  Earth MOID = .0865784 au   Jupiter MOID = 4.25663 au   T_jup = 6.619  [ hide covariance matrix ] Orbital Elements at Epoch 2456312.5 (2013-Jan-20.0) TDB Reference: JPL 86 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2184048023080785 1.2032e-08   q .6977716058407065 1.0787e-08 au tp 2456292.131773724368 (2012-Dec-30.63177372) 2.1605e-05 TDB node 196.3057508970495 7.586e-06 deg peri 181.8545799125079 1.8251e-05 deg i 12.0347594141867 5.5638e-06 deg   Orbit Determination Parameters    # obs. used (total)      784      # delay obs. used      5      # Doppler obs. used      0      data-arc span      6239 days (17.08 yr)      first obs. used      2003-04-04      last obs. used      2020-05-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .31873      source      ORB      producer      Otto Matic      solution date      2020-May-04 06:04:46   Additional Information  Jupiter MOID = 4.25663 au   T_jup = 6.619  Orbit Covariance (6×6)   e q tp node peri i e 1.447642863097401E-16 -1.293567567184895E-16 -1.702406218640964E-13 5.561899224394026E-14 -1.923667995649E-13 3.423737066155869E-14 q -1.293567567184895E-16 1.163559331828983E-16 1.482451809387822E-13 -4.964147293843951E-14 1.69222139207543E-13 -3.048214606725225E-14 tp -1.702406218640964E-13 1.482451809387822E-13 4.667611426478815E-10 1.094075290512232E-11 3.592985148718015E-10 -3.334117184249758E-11 node 5.561899224394026E-14 -4.964147293843951E-14 1.094075290512232E-11 5.754731694293216E-11 -4.770230459657273E-11 3.146585227327891E-11 peri -1.923667995649E-13 1.69222139207543E-13 3.592985148718015E-10 -4.770230459657273E-11 3.330840369576647E-10 -5.46418336214905E-11 i 3.423737066155869E-14 -3.048214606725225E-14 -3.334117184249758E-11 3.146585227327891E-11 -5.46418336214905E-11 3.095532633917517E-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 18.9   n/a MPO300524   diameter diameter 0.344 km 0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   rotation period rot_per 2.467 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Benishek, V. (2014) Minor Planet Bull. 41, 257-260.] [Hicks, M.; Frederick, J.; Harley, I. (2014) Astronomer's Telegram 6090. http://www.astronomerstelegram.org] [Warner, Brian D. (2014) Minor Planet Bull. 41, 213-224.] [Elenin, L.; Kusakin, A.; Molotov, I. (2015) Minor Planet Bull. 42, 27.] [Vaduvescu, O.; Aznar, A.M.; Tudor, V.; Predatu, M.; et al. (2017) Earth, Moon, and Planets 120, 41-100.] geometric albedo albedo 0.411   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   387733 (2003 GS)          Discovered 2003-Apr-04 by LONEOS at Anderson Mesa Reference: Last Updated: 2014-03-21 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-27 05:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin