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NASA Near-Earth Asteroid Risk Ranker

Rank near-Earth asteroids by a combined size/speed/proximity risk score for any date range - not a single-asteroid lookup.

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saint person

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3 days ago

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name

Optional

Asteroid designation

Type:string

Example:(2007 AA2)

closeApproachDate

Optional

Date of closest approach to Earth in this window

Type:string

Example:2026-07-11

estDiameterMetersAvg

Optional

Estimated average diameter in meters

Type:number

Example:51.7

velocityKmPerSec

Optional

Relative velocity in km/s

Type:number

Example:7.21

missDistanceKm

Optional

Miss distance from Earth in kilometers

Type:number

Example:6832280.95

missDistanceLunar

Optional

Miss distance in lunar distances (1 = Moon's average distance from Earth)

Type:number

Example:17.77

isPotentiallyHazardous

Optional

NASA's own potentially-hazardous-asteroid flag (size + orbit based)

Type:boolean

Example:false

riskScore

Optional

Composite score = (diameter_m * velocity_km_s) / miss_distance_lunar - higher means bigger, faster, and/or closer. For relative ranking within this run only, not an official NASA metric.

Type:number

Example:20.98

riskRank

Optional

Rank by riskScore among all asteroids fetched in this run (1 = highest risk score)

Type:integer

Example:3

windowStart

Optional

Start date of the 7-day window this asteroid was fetched in

Type:string

Example:2026-07-11

windowEnd

Optional

End date of the 7-day window this asteroid was fetched in

Type:string

Example:2026-07-15

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parseforge/nasa-neows-asteroids-scraper

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