+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17503 Celestechild (1992 FK1) Classification: Main-belt Asteroid          SPK-ID: 2017503 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2476865009929865 3.2766e-08   a 2.283611400365956 1.0787e-08 au q 1.717991682981618 7.4766e-08 au i 22.14428946877469 1.2438e-06 deg node 273.9444260814523 2.5313e-06 deg peri 238.5272323961579 4.0142e-06 deg M 131.2862906508476 3.6636e-06 deg tp 2458740.827410041988 (2019-Sep-14.32741004) 1.0397e-05 TDB period 1260.467727167184 3.45 8.9311e-06 2.445e-08 d yr n .285608264488513 2.0237e-09 deg/d Q 2.849231117750293 1.3459e-08 au   Orbit Determination Parameters    # obs. used (total)      1092      data-arc span      16529 days (45.25 yr)      first obs. used      1975-06-07      last obs. used      2020-09-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .46998      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:04:40   Additional Information  Earth MOID = .813671 au   Jupiter MOID = 2.46789 au   T_jup = 3.468  [ 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 14.2   n/a MPO416896   diameter diameter 2.879 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.587   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17503 Celestechild           Discovered 1992 Mar. 26 by R. H. McNaught at Siding Spring Observatory. Named for Celeste Ann Child, daughter of Jack and Maren Child, in recognition of her achievements in school, friendships and family, and her commitment to tolerance and compassion. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20111210/MPCPages.arc Last Updated: 2011-12-12 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 18:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin