Initializing, please wait a moment
Earth Perihelion & Aphelion 3D Explorer vs alternatif
Earth Perihelion & Aphelion 3D Explorer menampilkan bentuk orbit dan kurva jarak bersama-sama di browser - almanak dan alat efemeris menang untuk posisi harian yang tepat; buku teks astronomi menang untuk penurunan rumus lengkap.
| Option | Strength | Access | Trade-off |
|---|---|---|---|
| Earth Perihelion & Aphelion 3D (halaman ini) | Orbit + kurva jarak langsung, geser hari-dalam-tahun, tombol lompat | Gratis, di browser | Pendekatan edukatif; bukan efemeris langsung |
| Old Farmer's Almanac / lembar fakta NASA | Tanggal dan jarak perihelion/aphelion yang tepat setiap tahun | Gratis, dipublikasikan tahunan | Tanpa scene 3D interaktif |
| Buku teks astronomi | Penurunan rumus Kepler lengkap dan mekanika orbit | Gratis/berbayar, fokus edukasi | Tanpa scene 3D edukatif |
Angka penting yang dipublikasikan
| Figure | Value |
|---|---|
| Mean distance (1 AU) | 149,597,870 km |
| Perihelion (early Jan) | about 147.1 million km |
| Aphelion (early Jul) | about 152.1 million km |
| Eccentricity | 0.0167 |
Mulai dengan panduan langkah demi langkah atau kapan menggunakannya. Buka Earth Perihelion & Aphelion 3D Explorer.
Tim editorial FreetoolOnline
Why trust these tools
- Ten-plus years of web tooling. The freetoolonline editorial team has shipped browser-based utilities since 2015. The goal has never changed: get you to a working output fast, without an install.
- No install, no sign-up. Open a tool and get a working output in seconds - nothing to download and no account to create. Tools that need heavy processing run it on our service, so even a low-powered machine gets the job done.
- Analytics stops at the page view. We measure which pages get visited, not what you type or upload inside a tool. There is nothing to sign in to and no profile is attached to your input.
- Open-source core components. The processing engines underneath (libheif, libde265, pdf-lib, terser, clean-css, ffmpeg.wasm, and others) are public and audit-able. We link to each one in its tool page's footer.
- Free, with or without ads. All tools are fully functional without sign-up. The Disable Ads button in the header is always available if you need a distraction-free run.