+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1315719532180976 1.7208e-08   a 2.289475077026011 6.9638e-09 au q 1.988244369297544 3.9065e-08 au i 6.208210640967515 7.7066e-07 deg node 60.03050898466289 1.1207e-05 deg peri 208.1194368834442 1.035e-05 deg M 78.45464434273347 7.0621e-06 deg tp 2458924.748131202989 (2020-Mar-16.24813120) 2.4829e-05 TDB period 1265.32563621415 3.46 5.773e-06 1.581e-08 d yr n .2845117412440316 1.2981e-09 deg/d Q 2.590705784754478 7.88e-09 au   Orbit Determination Parameters    # obs. used (total)      2549      data-arc span      15589 days (42.68 yr)      first obs. used      1978-06-09      last obs. used      2021-02-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41738      source      ORB      producer      Otto Matic      solution date      2021-Mar-17 01:57:36   Additional Information  Earth MOID = .97312 au   Jupiter MOID = 2.48131 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. 2020-October); 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 ] 2021-Apr-10 15:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin