Delivery of new Suomi National Polar-orbiting Partnership (Suomi NPP) satellite observations will cease on November 2, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20.Suomi NPP data announcement
Description
FOR EXPERT USE ONLY. The GRACE-FO Level-1B data provide all necessary inputs to derive monthly time variations in the Earth gravity field. Level-1B data are also used for GRACE orbit and mean gravity field determination. For a detailed description, please see the GRACE-FO Level-1 documentation (https://podaac.jpl.nasa.gov/gravity/gracefo-documentation).
Physical Oceanography Distributed Active Archive Center, Jet Propulsion Laboratory, NASA (NASA/JPL/PODAAC)
Concept ID
C2036882118-POCLOUD
Data State
ACTIVE
Number of Files/Granules
9081
Processing Level
1B
Published
Updated
Science Keywords
Gravity
Citation
Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.
Copy Citation
Citation Copied
NASA Jet Propulsion Laboratory (JPL). (2019). GRACE-FO Level-1B Release version 4.0 from JPL in ASCII [Dataset]. NASA Physical Oceanography Distributed Active Archive Center. https://doi.org/10.5067/GFL1B-ASJ04 Date Accessed: 2026-10-07
@misc{nasa jet propulsion laboratory (jpl)_2019,
title={GRACE-FO Level-1B Release version 4.0 from JPL in ASCII},
url={https://earthdata.nasa.gov/data/catalog/pocloud-gracefo-l1b-ascii-grav-jpl-rl04-4},
DOI={10.5067/GFL1B-ASJ04},
publisher={NASA Physical Oceanography Distributed Active Archive Center},
author={NASA Jet Propulsion Laboratory (JPL)},
year={2019},
}
NASA Jet Propulsion Laboratory (JPL). (2019). GRACE-FO Level-1B Release version 4.0 from JPL in ASCII [Dataset]. NASA Physical Oceanography Distributed Active Archive Center. https://doi.org/10.5067/GFL1B-ASJ04 Date Accessed: 2026-10-07
NASA Jet Propulsion Laboratory (JPL). “GRACE-FO Level-1B Release Version 4.0 from JPL in ASCII.” NASA Physical Oceanography Distributed Active Archive Center, 2019, https://doi.org/10.5067/GFL1B-ASJ04. Date Accessed: 2026-10-07
Get help with NASA Earth science data, datasets, tools, services, and metadata on the Earthdata Forum. Experienced staff in the data user community review and answer questions.
Sambridge, Callum S., Roberts, Lyle E., Wade, Andrew R., Valliyakalayil, Jobin T., Rees, Emily Rose, Chabbra, Namisha, Zhang, Jue, Sutton, Andrew J., Shaddock, Daniel A., McKenzie, Kirk
Pie, N., Bettadpur, S. V., Tamisiea, M., Krichman, B., Save, H., Poole, S., Nagel, P., Kang, Z., Jacob, G., Ellmer, M., Fahnestock, E., Landerer, F. W., McCullough, C., Yuan, D.N., Wiese, D. N.