NRLMSISE‐00 empirical model of the atmosphere: Statistical comparisons and scientific issues
Abstract
The new NRLMSISE‐00 empirical atmospheric model extends from the ground to the exobase and is a major upgrade of the MSISE‐90 model in the thermosphere. The new model and the associated NRLMSIS database now include the following data: (1) total mass density from satellite accelerometers and from orbit determination (including the Jacchia and Barlier data sets), (2) temperature from incoherent scatter radar covering 1981–1997, and (3) molecular oxygen number density, [O 2 ], from solar ultraviolet occultation aboard the Solar Maximum Mission. A new component, “anomalous oxygen,” allows for appreciable O + and hot atomic oxygen contributions to the total mass density at high altitudes and applies primarily to drag estimation above 500 km. Extensive tables compare our entire database to the NRLMSISE‐00, MSISE‐90, and Jacchia‐70 models for different altitude bands and levels of geomagnetic activity. We also explore scientific issues related to the new data sets in the NRLMSIS database. Especially noteworthy is the solar activity dependence of the Jacchia data, with which we study a large O + contribution to the total mass density under the combination of summer, low solar activity, high latitude, and high altitude. Under these conditions, except at very low solar activity, the Jacchia data and the Jacchia‐70 model indeed show a significantly higher total mass density than does MSISE‐90. However, under the corresponding winter conditions, the MSIS‐class models represent a noticeable improvement relative to Jacchia‐70 over a wide range of F 10.7 . Considering the two regimes together, NRLMSISE‐00 achieves an improvement over both MSISE‐90 and Jacchia‐70 by incorporating advantages of each.
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Atmospheric density is a critical factor for correctly predicting drag, and models from the Jacchia, MSIS, and DTM families are usually preferred, notably NRLMSISE-00.
“Atmospheric density is a critical factor for correctly predicting this perturbing force [39,43], which is a reason for a great variety of models with diverse accuracy and computational costs in the literature.The models from the families Jacchia, MSIS, and DTM are usually preferred because they bring better relations of accuracy and computational cost [44], notably NRLMSISE-00 [45].”
From Irradiation Flux Modelling for Thermal–Electrical Simulation of CubeSats: Orbit, Attitude and Radiation Integration (2020) · cites this paper as [45]
NRLMSISE-00 provides better relations of accuracy and computational cost than the previous model.
“The results from TLE1 obtained with the atmospheric model NRLMSISE-00 will be used in the next results because it brings better relations of accuracy and computational cost [44,45].”
From Irradiation Flux Modelling for Thermal–Electrical Simulation of CubeSats: Orbit, Attitude and Radiation Integration (2020) · cites this paper as [45]
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- Authors
- Picone, J. M., Hedin, A. E., Drob, D. P., & Aikin, A. C.
- Affiliations
- United States Naval Research Laboratory (US)
- Goddard Space Flight Center (US)
- ORCID
- Drob, D. P.
- Venue
- Journal of Geophysical Research: Space Physics
- Publisher
- American Geophysical Union (AGU)
- Published
- 2002-12
- Volume
- 107
- Issue
- A12
- ISSN
- 0148-0227 (ISSN-L)
- OpenAlex
- W2124715982
- Cited by
- 3,749
- References
- 0
- Citations by year
- 2026: 219 · 2025: 221 · 2024: 236 · 2023: 250 · 2022: 267 · 2021: 279 · 2020: 252 · 2019: 207 · 2018: 235 · 2017: 194 · 2016: 192 · 2015: 161 · 2014: 168 · 2013: 129 · 2012: 130
- FWCI
- 17.75
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Geophysical Research Atmospheres (publishedVersion)
- NASA STI Repository (National Aeronautics and Space Administration) (submittedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Ionosphere and magnetosphere dynamics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Stellar, planetary, and galactic studies
- Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric Ozone and Climate
- Keywords
- NRLMSISE-00, thermosphere, O+ ions, atmospheric drag, solar activity dependence, geomagnetic activity, satellite accelerometers, orbit determination
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