PyRank
brandon-rhodes

sgp4

Python version of the SGP4 satellite position library
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
Downloads
Day
29.0K
Week
203.9K
Month
836.3K
Stars
464
Forks
97
Issues
3
Version
2.27

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
57
Adoption
79
Community
50
Provenance
0
How the maintenance status was determined
Last commit
3 days ago
Monthly downloads
836,322
• Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
836,322
Stars
464
Stars per 1k downloads
0.55
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
• Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
29,123
Month daily avg
27,877
Momentum
+4.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,!=3.7.*,!=3.8.*,!=3.9.*,>=2.7
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
• Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
3 days ago
Total releases
32
Releases/year
2.3
Rapid
Last release within 365 days and > 12 releases/year
• Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
17
Monthly downloads
836,322
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
56
 
Issue Burden
6.5
per 1k stars
Discussions
10.8
per 1k stars
Fork Ratio
17.5%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 19.4K
Windows 654
macOS 281

Python Versions

3.12
36.6% 6.8K
3.11
35.7% 6.6K
3.13
10.8% 2.0K
3.9
9.5% 1.8K
3.14
7.4% 1.4K

Top Countries

1. US US
15.7K
2. FR FR
593
3. IE IE
440
4. HK HK
428
5. CN CN
403
6. GB GB
378
7. AU AU
365
8. DE DE
365
9. NL NL
336
10. IN IN
277

Package Information

License
MIT
First Release
August 26, 2012
Last Release
4 days ago
Last Commit
4 days ago
Latest Version
2.27
Total Releases
32
Contributors
17
Open PRs
1
Archived
No
Author
Brandon Rhodes
Python Versions
2 2.7 3 3.10 3.11 3.12 3.13 3.14
Wheels
cp310 cp311 cp312 cp313 cp35 cp36 cp37 cp38 cp39 py2 py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links