#Planet9

Live, measured metrics for the hashtag #Planet9 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #planet9

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$240.06/ year · 7-character #name
Claim #planet9 — $240.06/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.1
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mas.to (Mastodon public tags API) · fetched 2026-11-04 09:22 UTC
0
10-29
0
10-30
0
10-31
0
11-01
0
11-02
0
11-03
0
11-04

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mas.to (Mastodon public search API) · fetched 2026-11-04 09:22 UTC

Live pulse

measured · mas.to (Mastodon tag timeline) · fetched 2026-11-04 09:22 UTC

Everything below is measured over the latest 40 public posts (spanning ~21989 hours).

Posting hours (UTC) — busiest: 11:00

00:0012:0023:00

Languages: English (31) · German (4) · French (3) · Spanish (1) · Finnish (1)

Avg boosts / post: 0.9

Top of the latest posts

  • This is interesting! Possible Planet 9 candidate found in two far-infrared sky surveys; IRAS (1983) and AKARI (2006). Obviously this is not a confirmation and more observations are needed to confirm it. But sounds promising! #Planet9 https:

    David Honess@davespice♥ 2↻ 02025-05-07 16:27 UTCView post →
  • I remember reading stories about a ninth planet years ago. And apparently an astronomer, Terry Long Phan, may have found the first direct evidence of a ninth major planet in the Solar System - BBC Sky at Night Magazine - https://www.skyatni

    Figgy@[email protected]♥ 1↻ 12026-10-05 17:13 UTCView post →
  • Okay Brown and Batygin, where's your phantom #Planet9? The Vera C. Rubin Observatory may have just discovered our solar system’s sixth dwarf planet | Scientific American https://www.scientificamerican.com/article/the-vera-c-rubin-observator

    tobadzistsini@[email protected]♥ 0↻ 02026-10-28 14:07 UTCView post →

What “planet9” means

Wiktionary · Wikipedia

planet/ˈplænət/

  • nounEach of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn.
Full entry on Wiktionary →

A planet is a large, rounded astronomical body that is generally required to be in orbit around a star, stellar remnant, or brown dwarf, and is not one itself. The Solar System has eight planets by the most restrictive definition of the term: the terrestrial planets Mercury, Venus, Earth, and Mars, and the giant planets Jupiter, Saturn, Uranus, and Neptune. The best available theory of planet formation is the nebular hypothesis, which posits that an interstellar cloud collapses out of a nebula t

“Planet” on Wikipedia (CC BY-SA) →

#planet9 across platforms

every network with a public tag surface

Follow #planet9 straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/planet9