+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   18590 (1997 YO10) Classification: Main-belt Asteroid          SPK-ID: 2018590 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1317075248786398 3.298e-08   a 2.29033890422054 7.9653e-09 au q 1.988684036012397 7.6578e-08 au i 6.208367483556381 3.917e-06 deg node 60.04487345033667 3.5469e-05 deg peri 208.2584675811679 3.9448e-05 deg M 21.42328867299964 1.8469e-05 deg tp 2458925.158946063668 (2020-Mar-16.65894606) 6.489e-05 TDB period 1266.041821639796 3.47 6.6045e-06 1.808e-08 d yr n .2843507961954389 1.4834e-09 deg/d Q 2.591993772428684 9.0144e-09 au   Orbit Determination Parameters    # obs. used (total)      2109      data-arc span      15349 days (42.02 yr)      first obs. used      1978-06-09      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42638      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 18:24:03   Additional Information  Earth MOID = .975321 au   Jupiter MOID = 2.48161 au   T_jup = 3.580  [ 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 13.7   n/a MPO384913   diameter diameter 5.023 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 2.95 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Hasegawa, S.; Miyaska, S.; Mito, H.; Sarugaku, Y.; et al. (2014) Pub. Astron. Soc. Japan 66, 54.] geometric albedo albedo 0.306   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   18590 (1997 YO10)          Discovered 1997-Dec-28 by Kobayashi, T. at Oizumi Reference: 20001111/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1997 YO10 = 2000 PP30  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-10 03:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin