+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227515 (2005 YC34) Classification: Main-belt Asteroid          SPK-ID: 2227515 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08780838916452567 5.7911e-08   a 2.837511151406436 2.6965e-08 au q 2.588353867965058 1.6559e-07 au i 3.958580456748106 5.8592e-06 deg node 292.3631853906215 8.397e-05 deg peri 19.10113657606229 8.9201e-05 deg M 206.1293818826642 3.0236e-05 deg tp 2459946.704716909999 (2023-Jan-02.20471691) 0.00014772 TDB period 1745.841417773144 4.78 2.4886e-05 6.813e-08 d yr n .2062042957253169 2.9393e-09 deg/d Q 3.086668434847813 2.9332e-08 au   Orbit Determination Parameters    # obs. used (total)      321      data-arc span      9688 days (26.52 yr)      first obs. used      1994-09-05      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5508      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 00:40:04   Additional Information  Earth MOID = 1.57233 au   Jupiter MOID = 2.12418 au   T_jup = 3.301  [ 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 15.8   n/a MPO454634   diameter diameter 3.328 km 0.933 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.076   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   227515 (2005 YC34)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ show close-approach data ] Alternate Designations  2005 YC34 = 1994 RT24  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-23 18:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin