+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   4511 Rembrandt (1935 SP1) Classification: Main-belt Asteroid          SPK-ID: 2004511 [ 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 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2509723249961158 2.8899e-08   a 2.399772669736255 9.0295e-09 au q 1.797496143350411 6.9657e-08 au i 22.76423016839844 4.316e-06 deg node .3254963509001509 8.4048e-06 deg peri 303.0026242976726 1.3048e-05 deg M 318.2276529109573 1.2027e-05 deg tp 2459158.057818295749 (2020-Nov-04.55781830) 4.5627e-05 TDB period 1357.855580045877 3.72 7.6637e-06 2.098e-08 d yr n .2651239242893835 1.4963e-09 deg/d Q 3.002049196122099 1.1296e-08 au   Orbit Determination Parameters    # obs. used (total)      2376      data-arc span      31087 days (85.11 yr)      first obs. used      1935-09-28      last obs. used      2020-11-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .3751      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:17:50   Additional Information  Earth MOID = .867566 au   Jupiter MOID = 2.57911 au   T_jup = 3.381  [ 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 12.2   n/a MPO384793   diameter diameter 8.241 km 0.444 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 3.8369 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Hills, K. (2014) Minor Planet Bull. 41, 177-178.] geometric albedo albedo 0.412   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   4511 Rembrandt (1935 SP1)          Discovered 1935-Sep-28 by van Gent, H. at Johannesburg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1935 SP1 = 1935 UK = 1975 ER3 = 1987 SA1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 04:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin