+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3475 Fichte (1972 TD) Classification: Main-belt Asteroid          SPK-ID: 2003475 [ 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 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1266551625622224 1.6347e-08   a 3.17283837231785 1.5547e-08 au q 2.770982012488276 5.4429e-08 au i 15.0000687441252 1.4046e-06 deg node 241.9446737067601 2.4352e-06 deg peri 230.749312640281 7.6189e-06 deg M 93.97015379049884 9.1187e-06 deg tp 2458661.662530906686 (2019-Jun-27.16253091) 5.0879e-05 TDB period 2064.288298453397 5.65 1.5172e-05 4.154e-08 d yr n .1743942453530927 1.2818e-09 deg/d Q 3.574694732147425 1.7516e-08 au   Orbit Determination Parameters    # obs. used (total)      2555      data-arc span      23457 days (64.22 yr)      first obs. used      1956-12-09      last obs. used      2021-02-28      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .41193      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 15:10:17   Additional Information  Earth MOID = 1.81416 au   Jupiter MOID = 1.78571 au   T_jup = 3.136  [ 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 11.55   n/a E2021B10   diameter diameter 29.558 km 0.596 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.035   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   3475 Fichte (1972 TD)          Discovered 1972-Oct-04 by Kohoutek, L. at Bergedorf Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1972 TD = 1956 XN = 1961 UB = 1981 KU1 = 1986 CM1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-16 03:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin