urn:nasa:pds:gbo.ast-apophis.jpl.radar.shape_model:data 1.0 1.23.0.0 Product_Collection 2026 The near-Earth asteroid (99942) Apophis spin state at epoch December 23 2012, 14:14:00 UTC with zero-epoch time and rotational phase as stated by Brozovic et al. (2018). The rotation state is the same as Model R in the Supplementary Table 1 in Brozovic et al. 2018. Marina Brozovic 0009-0007-3493-2139 Lance Benner 0000-0001-7164-9120 Joseph McMichael Jon Giorgini 0000-0002-7062-0091 Petr Pravec 0000-0001-8434-9776 Petr Scheirich 0000-0001-8518-9532 Christopher Magri 0000-0002-2200-4622 Michael Busch 0000-0003-2474-7523 Joseph Jao Clement Lee Lawrence Snedeker Marc Silva Martin Slade 0000-0003-1720-3421 Boris Semenov Michael Nolan 0000-0001-8316-0680 Patrick Taylor 0000-0002-2493-943X Ellen Howell 0000-0002-7683-5843 Kenneth Lawrence 0000-0002-9108-825X 2012-12-21Z 2013-03-16Z Science Derived Radio Small Bodies Shape Model No Specific Investigation Individual Investigation urn:nasa:pds:context:investigation:individual.none collection_to_investigation Monostatic Arecibo Radar Arecibo Observatory Host urn:nasa:pds:context:facility:observatory.arecibo is_facility 305-m fixed spherical reflecting antenna Telescope urn:nasa:pds:context:telescope:arecibo.305m is_telescope Arecibo Planetary Radar Transmitter Instrument urn:nasa:pds:context:instrument:arecibo.305m.trans_s is_instrument Arecibo 2380 MHz Radar Receiver Instrument urn:nasa:pds:context:instrument:arecibo.305m.recv_s is_instrument Goldstone Solar System Radar Goldstone Deep Space Communications Complex Host urn:nasa:pds:context:facility:observatory.goldstone is_facility DSS-14 70-m Radio Telescope Telescope Transmit Station urn:nasa:pds:context:telescope:goldstone.dss14_70m is_telescope DSS-14 X-band Goldstone Solar System Radar Transmitter Instrument 2-250kW klystrons urn:nasa:pds:context:instrument:goldstone.dss14_70m.trans_x is_instrument DSS-14 X-band Goldstone Solar System Radar Receiver Instrument GSSR X-band HEMT LNA urn:nasa:pds:context:instrument:goldstone.dss14_70m.recv_x is_instrument (99942) Apophis Asteroid urn:nasa:pds:context:target:asteroid.99942_apophis collection_to_target urn:nasa:pds:context:resource:resource.gbo.ast-apophis.jpl.radar.shape_model_online has_resource Data collection_gbo.ast-apophis.jpl.radar.shape_model_data_inventory.csv data 2 0 PDS DSV 1 2 Carriage-Return Line-Feed Comma 2 0 Member Status 1 ASCII_String 1 LIDVID_LID 2 ASCII_LIDVID_LID 255 inventory_has_member_product