+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3647 Dermott (1986 AD1) Classification: Main-belt Asteroid          SPK-ID: 2003647 [ 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 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1032998392415752 3.5784e-08   a 2.798741489967589 1.2176e-08 au q 2.509631943975211 1.0093e-07 au i 8.04986323535962 3.3814e-06 deg node 126.1465639248765 3.222e-05 deg peri 219.2858377995209 3.8481e-05 deg M 246.29866543171 2.2816e-05 deg tp 2459540.639163376436 (2021-Nov-22.13916338) 0.00010934 TDB period 1710.183082316669 4.68 1.1161e-05 3.056e-08 d yr n .210503778058857 1.3738e-09 deg/d Q 3.087851035959967 1.3434e-08 au   Orbit Determination Parameters    # obs. used (total)      2797      data-arc span      25240 days (69.10 yr)      first obs. used      1951-08-08      last obs. used      2020-09-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42973      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:58:30   Additional Information  Earth MOID = 1.5073 au   Jupiter MOID = 2.28459 au   T_jup = 3.304  [ 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 11.6   n/a MPO337281   diameter diameter 26.754 km 0.365 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 21.779 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Simpson, G.; Chong, E.; Gerhardt, M.; Gorsky, S.; et al. (2013) Minor Planet Bull. 146-151.] geometric albedo albedo 0.069   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 3647 Dermott (1986 AD1)          Discovered 1986-Jan-11 by Bowell, E. at Flagstaff (AM) Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory. Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1986 AD1 = 1958 DP = 1975 VM5 = 1977 DO3 = 1979 QK8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 19:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin