NASA Procedural Requirements

NPR 8079.1 Effective Date: June 27, 2023 Expiration Date: June 27, 2028

Subject: NASA Spacecraft Conjunction Analysis and Collision Avoidance for Space Environment Protection

Responsible Office: Office of the Chief Engineer

Appendix F. References

a. Commercial Expendable Launch Vehicle Activities, E. O. 12465, Feb. 24, 1984. 49 FR 7099, 3 CFR, 1984 Comp., p. 163. https://www.archives.gov/federal-register/codification/executive-order/12465.html.

b. National Space Traffic Management Policy, Presidential Memorandum, Space Policy Directive (SPD) 3, June 18, 2018.

c. U.S. Government Orbital Debris Mitigation Standard Practices, November 2019 Update 1. Required by Space Policy Directive 3 (2018). https://orbitaldebris.jsc.nasa.gov/library/usg_orbital_debris_mitigation_standard_practices_november_2019.pdf.

d. NPD 7120.4, NASA Engineering and Program/Project Management Policy.

e. NPD 8010.3, Notification of Intent to Decommission or Terminate Operating Space Systems and Terminate Missions.

f. NPR 1441.1, NASA Records Management Program Requirements.

g. NRRS 1441.1, NASA Records Retention Schedules. Can be found at: https://nodis3.gsfc.nasa.gov/NPR_attachments/NRRS_1441.1.pdf.

h. NPR 8715.6, NASA Procedural Requirements for Limiting Orbital Debris and Evaluating the Meteoroid and Orbital Debris Environments.

i. Consultative Committee for Space Data Systems (CCSDS) 502.0-B-2, Orbit Data Messages Blue Book https://public.ccsds.org/Pubs/502x0b2c1e2.pdf.

j. International Organization for Standardization (ISO) 26872:2019 Space systems - Disposal of satellites operating at geosynchronous altitude.

k. 18th Space Defense Squadron (formerly known as 18th Space Control Squadron) Combined Force Space Component Command. Spaceflight Safety Handbook for Satellite Operators: 18 SPCS Processes for On-Orbit Conjunction Assessment & Collision Avoidance. Version 1.5, August 2020. Vandenberg Air Force Base, California. https://www.space-track.org/documents/Spaceflight_Safety_Handbook_for_Operators.pdf.

l. NASA Spacecraft Conjunction Assessment and Collision Avoidance Best Practices Handbook, referred to in this directive as the "CA2 Handbook," can be found on the OCE tab in NODIS at https://nodis3.gsfc.nasa.gov/OCE_docs/OCE_51.pdf.

m. NASA Examples of Information to Expedite Review of Commercial Operator Applications to Regulatory Agencies. May be downloaded from: https://www.nasa.gov/recommendations-commercial-space-operators.

n. NASA Navigation and Ancillary Information Facility (NAIF) at JPL, SPK Required Reading at https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/req/spk.html.

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