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Files containing only extrapolated orbital metadata, to be read via SDP Toolkit, Binary Format

简介
AM1EPHNE 是 Terra 近实时 (NRT) 2 小时航天器外推星历数据文件，采用原生格式。文件名格式如下：AM1EPHNE.Ayyyyddd.hhmm.vvv.yyyydddhhmmss，其中从左到右依次为：E = 外推；N = 原生格式；A = AM1 (Terra)；yyyy = 数据年份，ddd = 儒略数据日，hh = 数据小时，mm = 数据分钟；vvv = 版本 ID；yyyy = 生产年份，ddd = 儒略生产日，hh = 生产小时，mm = 生产分钟，ss = 生产秒。

摘要
Additional Info
Field Value
Last Updated September 11, 2025, 8:26 AM (UTC+08:00)
Created April 1, 2025, 11:40 PM (UTC+08:00)
accessLevel public
bureauCode 026:00
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
harvest_object_id a351cfe1-7481-4ed8-be92-981f2e816302
harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.5067/MODIS/AM1EPHN0.NRT.061
landingPage https://earthdata.nasa.gov/earth-observation-data/near-real-time/download-nrt-data/modis-nrt
modified 2025-09-10
programCode 026:000
publisher NASA/GSFC/SED/ESD/HBSL/BISB/MODAPS
resource-type Dataset
source_datajson_identifier true
source_hash 592020f2d2821ba07a40645c446fc6376d73e41ed9652f4e13ed85d93d9a4f8a
source_schema_version 1.1
spatial ["CARTESIAN",[{"WestBoundingCoordinate":-180.0,"NorthBoundingCoordinate":90.0,"EastBoundingCoordinate":180.0,"SouthBoundingCoordinate":-90.0}]]
temporal 2016-01-24/2016-01-24
theme "Earth Science"
代码
!pip install leafmap
!pip install pandas
!pip install folium
!pip install matplotlib
!pip install mapclassify

import pandas as pd
import leafmap

url = "https://github.com/opengeos/NASA-Earth-Data/raw"
df = pd.read_csv(url, sep="\t")
df

leafmap.nasa_data_login()

results, gdf = leafmap.nasa_data_search(
short_name="AM1EPHNE",
cloud_hosted=True,
bounding_box=(-180.0, -90.0, 180.0, 90.0),
temporal=("2016-01-24", "2016-01-30"),
count=-1, # use -1 to return all datasets
return_gdf=True,
)

gdf.explore()

leafmap.nasa_data_download(results[:5], out_dir="data")

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