+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3674 Erbisbuhl (1963 RH) Classification: Mars-crossing Asteroid          SPK-ID: 2003674 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3756154852374471 2.2946e-08   a 2.360291152030711 7.633e-09 au q 1.473729245659042 5.3082e-08 au i 21.02981637887772 1.0693e-06 deg node 296.8418919116429 1.392e-06 deg peri 98.116207815968 2.5394e-06 deg M 272.9096923834053 5.1563e-06 deg tp 2459520.915943712990 (2021-Nov-02.41594371) 2.0228e-05 TDB period 1324.484238182861 3.63 6.4249e-06 1.759e-08 d yr n .271803914023096 1.3185e-09 deg/d Q 3.24685305840238 1.05e-08 au   Orbit Determination Parameters    # obs. used (total)      1531      data-arc span      20803 days (56.96 yr)      first obs. used      1963-09-13      last obs. used      2020-08-27      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .3894      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 15:24:47   Additional Information  Earth MOID = .64209 au   Jupiter MOID = 2.62701 au   T_jup = 3.370  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.1   n/a MPO473816   diameter diameter 9.068 km 1.623 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   rotation period rot_per 11.28 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Koff, R.A. (2004) Minor Planet Bull. 31, 33-34.] [Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.309   0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)   SMASSII spectral type spec_B Sk   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) 3674 Erbisbuhl (1963 RH)          Discovered 1963-Sep-13 by Hoffmeister, C. at Sonneberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1963 RH = 1970 OD = 1986 AA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-19 08:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin