+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117685 (2005 ED247) Classification: Main-belt Asteroid          SPK-ID: 2117685 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .181518457459099 2.961e-08   a 2.387911686903723 8.0392e-09 au q 1.954461640948404 7.2408e-08 au i 2.21593062929134 4.2088e-06 deg node 18.54715213347649 8.5568e-05 deg peri 278.4350448832795 8.6487e-05 deg M 307.7224022172467 1.1665e-05 deg tp 2459196.221682616330 (2020-Dec-12.72168262) 4.394e-05 TDB period 1347.801137203818 3.69 6.8063e-06 1.863e-08 d yr n .2671017185419987 1.3488e-09 deg/d Q 2.821361732859041 9.4984e-09 au   Orbit Determination Parameters    # obs. used (total)      601      data-arc span      9005 days (24.65 yr)      first obs. used      1995-10-22      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54034      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 18:16:55   Additional Information  Earth MOID = .940138 au   Jupiter MOID = 2.38532 au   T_jup = 3.510  [ show covariance matrix ] [ 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 16.4   n/a MPO469217   rotation period rot_per 70. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.] 117685 (2005 ED247)          Discovered 2005-Mar-12 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2005 ED247 = 1995 UE38  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-24 01:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin