+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2541 Edebono (1973 DE) Classification: Main-belt Asteroid          SPK-ID: 2002541 [ 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 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07913412503365033 4.0301e-08   a 2.939669586845861 1.4099e-08 au q 2.707041406202781 1.1882e-07 au i 3.197406256727826 3.8972e-06 deg node 77.03520979179694 7.4636e-05 deg peri 326.8811450454999 7.8533e-05 deg M 240.2222749743639 2.6375e-05 deg tp 2459613.019282599704 (2022-Feb-02.51928260) 0.00013716 TDB period 1840.967856825617 5.04 1.3245e-05 3.626e-08 d yr n .1955493131861348 1.4069e-09 deg/d Q 3.17229776748894 1.5215e-08 au   Orbit Determination Parameters    # obs. used (total)      2674      data-arc span      17423 days (47.70 yr)      first obs. used      1973-02-27      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .44588      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:06:59   Additional Information  Earth MOID = 1.71672 au   Jupiter MOID = 2.14402 au   T_jup = 3.266  [ 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 12.03   n/a E2021B10   diameter diameter 10.357 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 2.9875 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Washburn, K.; Ditteon, R. (2017) Minor Planet Bull. 44, 184-185.] [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] geometric albedo albedo 0.286   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   2541 Edebono (1973 DE)          Discovered 1973-Feb-27 by Kohoutek, L. at Bergedorf Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1973 DE = 1951 WE2 = 1976 UQ5 = 1978 EX5 = 1981 WW1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 02:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin