Table · collection · 2025
Satellite Laser Ranging (SLR) International Laser Ranging Service (ILRS) Data Handling Files
Listed in NASA Earthdata CMR and NASA Data Portal — shown once because both records carry DOI 10.5067/slr/slr_ilrs_data_hndlg_file_001
In the ILRS network, there are mobile systems and permanent systems.
Description
Mobile ILRS systems usually occupy (i.e. are referenced to) a ground monument/mark and have an associated set of non-zero eccentricities. System eccentricities are defined as the offsets (usually less than 15 meters) from the ground monument/mark to the optical reference point of the system (i.e. intersection of axes) and are measured in North, East, and Up or in Cartesian coordinates, X, Y, and Z. Mobile systems are assigned a CDP number for the monument that it is occupying.
In turn, the IERS assigns a DOMES number for the monument containing a 'M'. The 'M' indicates the presence of a physical Monument. A given monument may be occupied by more than one system or may be occupied by the same system multiple times, but never during the same time period.
Read the rest (3 more)
Therefore, for a given monument and time period, there will be a unique set of eccentricities. Permanent systems were designed to stay in one place and usually do not occupy a ground monument/mark. In this case, the CDP number is assigned to the optical axes of intersection.
In turn, the IERS assigns a DOMES number containing a 'S'. The 'S' indicates the reference to the System's optical axes. In this case, the system eccentricities are by definition ZERO.
In the rare occasion that a permanent system or its intersection of axes is relocated, then a new CDP and IERS DOMES number will be assigned for each relocation.
Links
Get the data
- Resource doi.org/10.5067/slr/slr_ilrs_data_hndlg_file_001 ↗
URL for more information about SLR derived products
landing page · download · DOI / persistent id · from NASA CMR, data nasa gov
- Resource earthdata.nasa.gov/data/space-geodesy-techniques/slr/data-products-holdings ↗
URL for more information about SLR derived products
documentation · download · from NASA CMR, data nasa gov
- Original Metadata cmr.earthdata.nasa.gov/search/concepts/C3607007030-CDDIS.iso19115 ↗
download · from data nasa gov
- cddis.nasa.gov /archive/slr/products/resource ↗
URL for retrieval of SLR derived products through https
download · from NASA CMR
Where it is published
- NASA Data Portal dataset page data.nasa.gov/dataset/satellite-laser-ranging-slr-international-laser-rangin… ↗
landing page · from data nasa gov
Catalogue records · 3
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C3607007030-CDDIS.umm_json ↗
metadata API · from NASA CMR
- CKAN API data.nasa.gov/api/3/action/package_show?id=5700aae9-6193-4d03-86e7-fbe4ef607… ↗
metadata API · from data nasa gov
- CMR record cmr.earthdata.nasa.gov/search/concepts/C3607007030-CDDIS.html ↗
catalogue entry · from NASA CMR
Topics
- Stated by source
- Geoid Characteristics · Global Coordinate Reference System · SATELLITES · Slr (Satellite Laser Ranging)
- From keywords
- Astronomy & Astrophysics · Earth & Environmental Science · Ocean & Atmospheric Science · Physics
Provenance · 2 source records, 18 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C3607007030-CDDIS | 10 d ago | JSON v1 |
| NASA Data Portal | 5700aae9-6193-4d03-86e7-fbe4ef6076aa | 7 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[field].local:field:astronomy | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:earth-environmental | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:ocean-atmospheric | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:physics | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/geodetics/coordinate-reference-system/global-coordinate-reference-system | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/geodetics/geoid-characteristics | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/geodetics/techniques/slr-satellite-laser-ranging | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:satellites | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| created_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| license_text | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| publication_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| spatial | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/SpatialExtent |
| temporal | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/TemporalExtents |
| title | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/EntryTitle |
| updated_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| version_label | source · NASA CMR | connector:nasa_cmr@1.0.0 |