+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   483656 (2005 ES70) Classification: Aten [NEO]          SPK-ID: 2483656 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 45 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3863663140052224 2.489e-07   a .7631359247776297 1.7523e-09 au q .4682859104363302 1.8935e-07 au i 20.82325799026934 7.0368e-05 deg node 352.8510319082993 4.1884e-06 deg peri 351.0802549683793 3.6155e-05 deg M 70.06117844145378 7.8511e-05 deg tp 2459153.111145396100 (2020-Oct-30.61114540) 5.3122e-05 TDB period 243.5012946814748 0.67 8.3867e-07 2.296e-09 d yr n 1.478431564279433 5.0921e-09 deg/d Q 1.057985939118929 2.4293e-09 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A2 [EST] -1.407908659097524E-13 6.33E-15 ALN [SET] 1. n/a NK [SET] 0. n/a NM [SET] 2. n/a R0 [SET] 1. n/a   Orbit Determination Parameters    # obs. used (total)      179      # delay obs. used      0      # Doppler obs. used      1      data-arc span      5854 days (16.03 yr)      first obs. used      2005-03-09      last obs. used      2021-03-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4182      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 17:08:08   Additional Information  Earth MOID = .0520148 au   Jupiter MOID = 4.35012 au   T_jup = 7.479  [ 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 23.8   n/a MPO266881   rotation period rot_per 1.69 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Thirouin, A.; Moskovitz, N.; Binzel, R.P.; Christensen, E.; et al. (2016) Astron. J. 152, A163.] 483656 (2005 ES70)          Discovered 2005-Mar-09 by CSS at Catalina Reference: Last Updated: 2017-03-14 [ show close-approach data ] Alternate Designations  2005 ES70 = 2009 EG1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-22 12:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin