diff --git a/astro/py-sgp4/Makefile b/astro/py-sgp4/Makefile
index 7fb771b528a9..34c032507cb3 100644
--- a/astro/py-sgp4/Makefile
+++ b/astro/py-sgp4/Makefile
@@ -1,23 +1,23 @@
 PORTNAME=	sgp4
-PORTVERSION=	2.26
+PORTVERSION=	2.27
 CATEGORIES=	astro python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	thierry@FreeBSD.org
 COMMENT=	Python version of the SGP4 satellite position library
 WWW=		https://github.com/brandon-rhodes/python-sgp4
 
 LICENSE=	MIT
 
 #USE_GITHUB=	yes
 #GH_ACCOUNT=	brandon-rhodes
 #GH_PROJECT=	python-sgp4
 
 USES=		python
 USE_PYTHON=	distutils
 .if !defined(WITH_DEBUG)
 LDFLAGS+=	-s
 .endif
 
 .include <bsd.port.mk>
diff --git a/astro/py-sgp4/distinfo b/astro/py-sgp4/distinfo
index fd92519046f8..78d834d26a04 100644
--- a/astro/py-sgp4/distinfo
+++ b/astro/py-sgp4/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1782663752
-SHA256 (sgp4-2.26.tar.gz) = 48d15763b6af9393fc2024190705588dd3650fcd90133ab980e00bc5607c606e
-SIZE (sgp4-2.26.tar.gz) = 157896
+TIMESTAMP = 1783261591
+SHA256 (sgp4-2.27.tar.gz) = 06d37247c6985739b707b8b39b6b83e06e8af783b2531e31965501ba983985f9
+SIZE (sgp4-2.27.tar.gz) = 180401
diff --git a/astro/py-sgp4/files/patch-pyproject.toml b/astro/py-sgp4/files/patch-pyproject.toml
index f8076947ec64..8381d3318143 100644
--- a/astro/py-sgp4/files/patch-pyproject.toml
+++ b/astro/py-sgp4/files/patch-pyproject.toml
@@ -1,12 +1,12 @@
---- pyproject.toml.orig	2026-06-26 21:06:24 UTC
+--- pyproject.toml.orig	2026-07-03 12:46:43 UTC
 +++ pyproject.toml
-@@ -9,8 +9,7 @@ readme = "README.md"
- # keep in sync with setup_kwargs for Python 2
+@@ -10,8 +10,7 @@ readme = "README.rst"
  name = "sgp4"
- readme = "README.md"
+ description = "The C++ SGP4 routine that, given an Earth satellite TLE, computes its position."
+ readme = "README.rst"
 -license = "MIT"
 -license-files = ["LICENSE"]
 +license = {text = "MIT"}
  requires-python = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,!=3.7.*,!=3.8.*,!=3.9.*"
- dynamic = ["version", "description", "authors", "dependencies", "classifiers"]
+ dynamic = ["version", "authors", "dependencies", "classifiers"]
  
diff --git a/astro/py-sgp4/pkg-plist b/astro/py-sgp4/pkg-plist
index ba7b9dcdbc51..e41da0d9b4b6 100644
--- a/astro/py-sgp4/pkg-plist
+++ b/astro/py-sgp4/pkg-plist
@@ -1,51 +1,48 @@
 %%PYTHON_SITELIBDIR%%/sgp4/SGP4-VER.TLE
 %%PYTHON_SITELIBDIR%%/sgp4/__init__.py
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/__init__.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/__init__.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/alpha5.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/alpha5.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/api.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/api.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/conveniences.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/conveniences.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/earth_gravity.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/earth_gravity.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/exporter.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/exporter.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/ext.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/ext.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/functions.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/functions.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/io.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/io.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/model.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/model.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/omm.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/omm.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/propagation.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/propagation.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/tests.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/tests.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/wrapper.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/wrapper.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/wulfgar.cpython-%%PYTHON_SUFFIX%%.opt-1.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/__pycache__/wulfgar.cpython-%%PYTHON_SUFFIX%%.pyc
 %%PYTHON_SITELIBDIR%%/sgp4/alpha5.py
 %%PYTHON_SITELIBDIR%%/sgp4/api.py
 %%PYTHON_SITELIBDIR%%/sgp4/conveniences.py
 %%PYTHON_SITELIBDIR%%/sgp4/earth_gravity.py
 %%PYTHON_SITELIBDIR%%/sgp4/exporter.py
 %%PYTHON_SITELIBDIR%%/sgp4/ext.py
 %%PYTHON_SITELIBDIR%%/sgp4/functions.py
 %%PYTHON_SITELIBDIR%%/sgp4/io.py
 %%PYTHON_SITELIBDIR%%/sgp4/model.py
 %%PYTHON_SITELIBDIR%%/sgp4/omm.py
 %%PYTHON_SITELIBDIR%%/sgp4/propagation.py
-%%PYTHON_SITELIBDIR%%/sgp4/sample_omm.csv
-%%PYTHON_SITELIBDIR%%/sgp4/sample_omm.json
-%%PYTHON_SITELIBDIR%%/sgp4/sample_omm.xml
 %%PYTHON_SITELIBDIR%%/sgp4/tcppver.out
 %%PYTHON_SITELIBDIR%%/sgp4/tests.py
 %%PYTHON_SITELIBDIR%%/sgp4/vallado_cpp.abi3.so
 %%PYTHON_SITELIBDIR%%/sgp4/wrapper.py
 %%PYTHON_SITELIBDIR%%/sgp4/wulfgar.py