+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20826 (2000 UV13) Classification: Apollo [NEO]          SPK-ID: 2020826 [ 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 354 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6329059948240577 1.7716e-08   a 2.424538526614789 6.5063e-09 au q .8900335584384007 4.3403e-08 au i 31.88100992310699 1.2935e-06 deg node 347.3178246196151 3.5004e-06 deg peri 198.6397218358117 2.1085e-06 deg M 86.91118455254463 2.904e-06 deg tp 2458867.598900436817 (2020-Jan-19.09890044) 1.0173e-05 TDB period 1378.929495205425 3.78 5.5506e-06 1.52e-08 d yr n .2610720861738978 1.0509e-09 deg/d Q 3.959043494791177 1.0624e-08 au   Orbit Determination Parameters    # obs. used (total)      1879      data-arc span      24518 days (67.13 yr)      first obs. used      1953-10-01      last obs. used      2020-11-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .40181      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:32:22   Additional Information  Earth MOID = .0815743 au   Jupiter MOID = 1.19043 au   T_jup = 3.044  [ 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 13.83   n/a E2021B10   diameter diameter 3.687 km 0.311 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   rotation period rot_per 5.313 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Warner, B.D. (2016) Minor Planet Bull. 43, 240-250.] geometric albedo albedo 0.123   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   SMASSII spectral type spec_B Sq   n/a Binzel et al. (2004) Icarus 170, 259-294   20826 (2000 UV13)          Discovered 2000-Oct-21 by BATTeRS at Bisei SG Center Reference: 20010109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-14 14:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin