### Question
How does Earth Object Survey define near-Earth object?


### Answer
Under *42 U.S.C. § 16691*, **near-Earth object** is defined as:

> an asteroid or comet with a perihelion distance of less than 1.3 Astronomical Units from the Sun

#### Citation:
  - *42 U.S.C. § 16691*
  - Heading: **CHAPTER 150-NATIONAL AERONAUTICS AND SPACE PROGRAMS, 2005 > SUBCHAPTER III-SCIENCE > Part C-George E. Brown, Jr. Near-Earth Object Survey**

