SubTrends

Averages 7 posts/day, top 25% activity. Most active Wednesdays around 2 AM UTC. Mostly link posts.

Posts / Day Average posts per day this month. Arrow is change vs the prior calendar month.
7 11%
Avg Upvotes Mean net upvotes per post this month (upvotes minus downvotes). Arrow is change vs the prior month.
83 1%
Avg Comments Mean number of comments per post this month. Arrow is change vs the prior month when that month’s data is available.
15 5%
Activity Rank #19,550 by posts/day among 92,303 tracked SFW subreddits as of Aug 2026 (Top 25%). Arrow is spots gained or lost vs the prior month.
#19,550 1,637
Top 25%
Posts w/ Links The percentage of posts that link off-site. This counts true link posts plus text posts with a URL in the body. Image and video posts are not counted.
60%
Low-Reply Rate Share of posts with 0 or 1 comment. A single comment is often an automated mod reply rather than real community discussion.
74%

r/spacex Traffic & Engagement

Volume and engagement over time

Posts/DayAvg Upvotes051015200200400600Aug 1Aug 8Aug 15Aug 22Aug 29
Posts/Day Avg Upvotes Mean net upvotes per post in this bucket.

Post Format

Top Post Type Link
Typical Title Length Medium (76 chars)
Peak Day Friday

Upvote Distribution

How upvoted posts perform Only posts with 2+ upvotes. The bands below show how those posts are spread by upvote count.

2–9
9%
10–99
29%
100–999
54%
1K+
9%
Posts that get upvoted Share of posts that received at least one upvote (2+ net upvotes). Most posts at 1 upvote are excluded. 27%
Median upvoted post Median upvotes among posts that received upvotes. Differs from Avg Upvotes in the snapshot, which includes every post. 181
Top post Highest upvote count on a single post this month. 1.8K

r/spacex Most Active Times

Peak posting by day and hour (UTC)

Sun
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Thu
Fri
Sat
12 AM
1 AM
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4 AM
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← Swipe →
#1 Top 3 activity windows

Most Active by Day

Sun 10 AM
Mon 3 PM
Tue 1 PM
Wed 2 AM
Thu 9 PM
Fri 3 AM
Sat 4 PM

r/spacex Flair Performance

Upvotes and volume by flair

Flair Posts Upvotes
🚀 Official9 (31.0%)784
Starship7 (24.1%)504
Q2.1-Relevant6 (20.7%)1
Falcon4 (13.8%)318
Company News3 (10.3%)248

Post Type Breakdown

Share by text, image, or link

53%link posts

r/spacex Trending Keywords

Ranked by how often they appear

KeywordMentions ▼UpvotesComments
spacex
99 (47.1%)
19731
launch
37 (17.6%)
11232
space
29 (13.8%)
7210
rocket
27 (12.9%)
6219
starship
21 (10.0%)
27350
starlink
21 (10.0%)
184
falcon
20 (9.5%)
21320
moon
19 (9.1%)
52
updates
15 (7.1%)
142
official
14 (6.7%)
152

r/spacex Mentioned Domains

Most linked sites

r/spacex Top Posts

Highest-performing posts

SpaceX: “SpaceX engineers spent several days inspecting Ship 40 in the waters off Christmas Island. They collected heatshield samples and gained vital insight into how the vehicle handled reentry with improvements now planned on future vehicles.” (Contd.)

1.8K upvotes 176 comments image Aug 27

Falcon Heavy vs. The Sun

1.7K upvotes 32 comments image Aug 30

SpaceX on X: After approx. 24 days at sea, the SpaceX Recovery team successfully guided Starship to a location just off the coast of Christmas Island. A team of SpaceX engineers is on their way to conduct additional analysis on the vehicle in calmer waters before attempting to return it to Starbase

1.5K upvotes 100 comments image Aug 18

SpaceX on X: “The SpaceX Recovery team is still working to recover Flight 13’s Starship from the Indian Ocean. They’ve been overcoming challenging conditions and increasingly rough seas as they attempt to guide the 52m long spacecraft to port”

1.2K upvotes 125 comments image Aug 7

What About It on X: “🚨Ship 40 is now resting on the back of a true GIANT! It looks tiny compared to the ship! They both have a journey of almost 13.000 nautical miles ahead of them! 🤯 ETA Starbase, TX: Sometime toward the end of September/early October. 📸Chris Bray”

1.0K upvotes 149 comments image Aug 26

SpaceX on X: “Falcon Heavy in the hangar at pad 39A in Florida ahead of Sunday’s launch of @NASA’s Nancy Grace Roman Space Telescope”

802 upvotes 43 comments image Aug 26

Elon Musk: Once Starship is flying reliably several times per week, it makes sense to shift super scarce SpaceX engineering and production resources to Starship to get launch rate to several times per day, which means winding down Falcon

753 upvotes 262 comments link Aug 22

SpaceX on X: “Falcon Heavy launches @NASA’s Nancy Grace Roman Space Telescope from pad 39A in Florida, beginning its more than three-month journey to its destination where it will generate never-before-seen photos of the universe”

738 upvotes 22 comments image Aug 30

Satellite operators are in panic mode due to a worsening launch crisis [new claim that SpaceX “intends to end commercial launches after 2028”]

735 upvotes 379 comments link Aug 17

SpaceX on X: “Booster 21 moved to the pad at Starbase for static fire testing ahead of Flight 14”

734 upvotes 43 comments image Aug 25

r/spacex Audience Overlap

Overlapping audiences

r/spacex FAQ

What's the best time to post on r/spacex?

Based on posting volume, r/spacex is most active on Wednesdays around 2 AM UTC. That window has the most community activity, but busier hours also mean more competition for attention.

How active is r/spacex?

r/spacex averages 7 posts per day and ranks in the top 25% for activity among tracked SFW subreddits.

How many upvotes do posts on r/spacex get?

Posts on r/spacex average about 83 upvotes this month (net score per post).

What kind of posts does r/spacex get most?

On r/spacex, posts are a mix of formats, mostly link posts