CAD: CAD: Solar System Dynamics and Center for Near-Earth Object...
In Liu-Zhichao/nasaR: Interface to Various NASA APIs

Description Usage Arguments Value Examples

This API provides access to current close-approach data for all asteroids and comets in JPL’s SBDB (Small-Body DataBase). See detailed info at: https://ssd-api.jpl.nasa.gov/doc/cad.html.

CAD(date_min = "now", date_max = lubridate::today() + 60,
  dist_min = NULL, dist_max = "0.05", h_min = NULL, h_max = NULL,
  v_inf_min = NULL, v_inf_max = NULL, v_rel_min = NULL,
  v_rel_max = NULL, class = NULL, pha = FALSE, nea = FALSE,
  comet = FALSE, nea_comet = FALSE, neo = TRUE, kind = NULL,
  spk = NULL, des = NULL, body = "Earth", sort = "date",
  limit = NULL, fullname = FALSE)

`date_min`	Date. Exclude data earlier than this date "YYYY-MM-DD" or date/time "YYYY-MM-DDThh:mm:ss" or "now" for the current date. "now" as default.
`date_max`	Date. Exclude data later than this date "YYYY-MM-DD" or date/time "YYYY-MM-DDThh:mm:ss". "now" + 60 as default.
`dist_max`	String. Exclude data with an approach distance greater than this (see dist-min). "0.05" as default.
`h_min`	Number. Exclude data from objects with H-values less than this (e.g., 22 meaning objects smaller than this).
`h_max`	Number. Exclude data from objects with H-value greater than this (e.g., 17.75 meaning objects larger than this).
`v_inf_min`	Number. Exclude data with V-infinity less than this positive value in km/s (e.g., 18.5).
`v_inf_max`	Number. Exclude data with V-infinity greater than this positive value in km/s (e.g., 20).
`v_rel_min`	Number. Exclude data with V-relative less than this positive value in km/s (e.g., 11.2).
`v_rel_max`	Number. Exclude data with V-relative greater than this positive value in km/s (e.g., 19).
`class`	String. Limit data to objects with the specified orbit-class (e.g., "ATE").
`pha`	Boolean. Limit data to PHAs. FALSE as default.
`nea`	Boolean. Limit data to NEAs. FALSE as default.
`comet`	Boolean. Limit data to comets. FALSE as default.
`neo`	Boolean. Limit data to NEOs. TRUE as default.
`kind`	String. Limit data to objects of the specified kind ("a"=asteriod, "an"=numbered-asteroids, "au"=unnumbered-asteroids, "c"=comets, "cn"=numbered-comets, "cu"=unnumbered-comets, "n"=numbered-objects, and "u"=unnumbered-objects).
`spk`	Integer. Only data for the object matching this SPK-ID (e.g., 2000433).
`des`	String. only data for the object matching this designation (e.g., "2015 AB" or "141P" or "433").
`body`	String. Limit data to close-approaches to the specified body (e.g., "Earth") or allow all bodies with "ALL" or *. "Earth" as default.
`sort`	String. Sort data on the specified field: “date”, “dist”, “dist-min”, “v-inf”, “v-rel”, “h”, or “object” (default sort order is ascending: prepend “-“ for descending). "date" as default.
`limit`	Integer. Limit data to the first N results (where N is the specified number and must be an integer value greater than zero).
`fullname`	Boolean. Include the full-format object name/designation. FALSE as default.
`energy_min`	String. Exclude data with an approach distance less than this, e.g., "0.05", "10LD".
`nea-comet`	Boolean. Limit data to NEAs and comets. FALSE as default.

Data of asteroids and comets in JPL’s SBDB (Small-Body DataBase).

1 2	CAD(des = "433", date_min = as.Date("2019-01-01"), date_max = as.Date("2100-01-01"), dist_max = "0.2") CAD(dist_max = "10LD", date_min = as.Date("2018-01-01"), sort = "dist")