+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   441987 (2010 NY65) Classification: Apollo [NEO, PHA]          SPK-ID: 2441987 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 147 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3703401695176188 2.89e-08   a 1.001967634249545 3.5418e-10 au q .6308987707304012 2.9051e-08 au i 11.56576629036526 3.1217e-06 deg node 267.9788341074036 1.5525e-06 deg peri 251.7822541044023 8.0688e-07 deg M 242.0295805136134 1.2934e-06 deg tp 2459320.546524018574 (2021-Apr-16.04652402) 1.3044e-06 TDB period 366.3354664232062 1.00 1.9424e-07 5.318e-10 d yr n .9827058338493299 5.2106e-10 deg/d Q 1.373036497768689 4.8535e-10 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A2 [EST] -3.673345862290766E-14 1.842E-15 ALN [SET] 1. n/a NK [SET] 0. n/a NM [SET] 2. n/a R0 [SET] 1. n/a   Orbit Determination Parameters    # obs. used (total)      835      # delay obs. used      12      # Doppler obs. used      3      data-arc span      3685 days (10.09 yr)      first obs. used      2010-07-14      last obs. used      2020-08-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .33717      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 14:42:39   Additional Information  Earth MOID = .0183687 au   Jupiter MOID = 3.65273 au   T_jup = 5.992   Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2  [ 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 21.37   n/a E2021B69   diameter diameter 0.228 km 0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)   rotation period rot_per 4.9706 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Warner, B.D. (2016) Minor Planet Bull. 43, 311-319.] [Warner, B.D. (2017) Minor Planet Bull. 44, 335-344.] [Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 23-34.] [Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 290-304.] geometric albedo albedo 0.071   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)   441987 (2010 NY65)          Discovered 2010-Jul-14 by WISE at WISE Reference: Last Updated: 2015-09-02 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-17 16:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin