+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26029 (5565 P-L) Classification: Main-belt Asteroid          SPK-ID: 2026029 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1815716424274713 4.4543e-08   a 2.179517493795819 4.6686e-09 au q 1.783778922747907 9.7538e-08 au i 6.263918106778924 4.7121e-06 deg node 35.67083378516462 2.3976e-05 deg peri 354.3514055140311 2.5031e-05 deg M 177.9057593019612 7.069e-06 deg tp 2458419.700180734929 (2018-Oct-28.20018073) 2.2664e-05 TDB period 1175.273559191181 3.22 3.7762e-06 1.034e-08 d yr n .3063116643649761 9.8419e-10 deg/d Q 2.575256064843733 5.5163e-09 au   Orbit Determination Parameters    # obs. used (total)      1681      data-arc span      21820 days (59.74 yr)      first obs. used      1960-10-17      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48081      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:31:15   Additional Information  Earth MOID = .789348 au   Jupiter MOID = 2.86514 au   T_jup = 3.653  [ 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 14.8   n/a MPO468029   diameter diameter 3.469 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 8.48922 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm] [Benishek, V. (2019) Minor Planet Bull. 46, 208-210.] geometric albedo albedo 0.233   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   26029 (5565 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar Reference: 20010606/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  5565 P-L = 1989 SB2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 13:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin