Difference between revisions of "Asteroid"

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(Time Until Impact: Added information on how to respawn the village.)
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The [[stargazer]] that can be found just outside a [[village]] will be able to give an exact date. '''There is currently no other way to get the exact time of impact, so take note of this.'''
The [[stargazer]] that can be found just outside a [[village]] will be able to give an exact date. '''There is currently no other way to get the exact time of impact, so take note of this.'''
If the village is gone or missing, It can be respawned by spending time in the wilderness. Go away from cities and buildings, [[handcraft]] a [[fire]] and wait for around half an hour.

Revision as of 22:54, 24 May 2022

An asteroid about to impact a habitable world.

The asteroid is an event that starts when a new avatar enters the universe, using the Reach for the Stars starting scenario. Their starting world will be in danger and need saving.

The asteroid is explained by the stargazer of a village.

Time Until Impact

Doom is nigh.

During avatar creation it is possible to adjust the scheduled asteroid impact time. It can be adjusted between 6½ and 7½ days from when the avatar first spawns on their first world. It is recommended to select the later time so you have more time to react in the few critical hours prior to impact.

The stargazer that can be found just outside a village will be able to give an exact date. There is currently no other way to get the exact time of impact, so take note of this.

If the village is gone or missing, It can be respawned by spending time in the wilderness. Go away from cities and buildings, handcraft a fire and wait for around half an hour.


Cities with an observatory report the presence of an asteroid in its solar system, which is necessary to detect asteroids at extreme range. Asteroids known to be on a collision course with a world will cause an event log alert in the city report.

If a space station with sensors or a city with radar detect asteroids within sensor range, they will report them and their location in their event log.


The asteroid doesn't physically spawn in the solar system until the the last 8 hours before the scheduled time. The asteroid will at first spawn around 50 AU away and travel at ~1000m/s towards the homeworld. The travel speed with automatically increase and decrease to ensure the asteroid will impact with the homeworld it is locked onto at the exact scheduled time.

The asteroid is marked as enemy, and can thus be targeted from a fire control station. It will also appear on the Unit list for attack and follow orders.


Depending upon the size difference between the asteroid and the world world being impacted, devastation could range from destruction of all cities on the world, to complete annihilation of the world body.

Asteroids of any size is are absorbed by gas giants harmlessly.

Extinction Level Event

When a smaller asteroid impacts a world it will create a huge crater, and all cities and buildings on the world are destroyed.

World Annihilation

If a planet is destroyed, it will turn into an asteroid belt with possibly a tiny planetoid world in it.

The moons of a world are unharmed, unless subsequently hit by another asteroid. They will spin on an additional axis and tumble in the asteroid belt.

If a moon or titan is destroyed by an asteroid impact, it will become a planetary ring. A planetary ring that is left behind when its planet is destroyed will disappear.

The system survey and star map XML export of the solar system with the destroyed world will still show the system as it was originally created. To obtain the proper resource information for any remnants of the world, you'll need to perform a manual scan with the sensor station. According to Haxus, this is because "The system scan is generated based on a seed value. It doesn't know the planet was destroyed."

Impact Avoidance

The goal is to develop the needed technology to get into space and either destroy the asteroid or evacuate the homeworld.

Asteroid Destruction

The asteroid can be attacked with space fighters, a spacecraft with weapons, or military weapon systems.


A spacecraft with an energy weapon bay is highly recommended. Energy weapons are the most reliable weapon and does not miss its target, allowing the task to be fully handled by the NPC crew.

Projectile weapons, such as ballistic weapon bays or weapon launcher bays, aren't reliable enough to be used by the NPC crew alone and might require some manual piloting to get extra close or in front of the asteroid. Therefore it is not recommended to use them against the asteroid without a lot of experience with the mechanics of them and manual piloting.

Turrets don't have enough firepower to be effective. It is recommended to use weapon bays as detailed above.

Space Fighter

While it is possible to destroy an asteroid with a space fighter, it is extremely difficult to locate it with just a space fighter alone. By the time the asteroid is within visual range it might be too late, spotting an asteroid from a far takes some skill.

Using a spacecraft with sensors and a hangar for the space fighter makes it a lot easier to locate and get to the asteroid while it is still at a safe distance.

Military Weapon System

It is not recommended to rely on military weapon systems to defend against an asteroids, as they will not be able to damage the asteroid enough by the time it gets into range.[1] At most it can downgrade it from a world destroyer asteroid to multiple extinction level asteroids right before impact. And that is assuming that the asteroid will even impact the same side of the planet as the military weapon system.

Locating The Asteroid

Math can save the world.

When the asteroid is not within sensor range it can be hard to find. However a city with an observatory will give a detailed report about where an asteroid is and how fast it is moving in the city report.

Hazardous asteroid observed! Orbit collides with (world name) (time and date) GMT. 6,096.0m diameter. 998.8m/s velocity. Spotted SE at 128°, azimuth -26°, 18,929,783m away relative to the solar system plane of ecliptic.

Using a little math it is possible to calculate the exact coordinates of the asteroid.

I'm denoting the first angle reported as A, the second angle as B and the distance as D.
I'm also using degrees here. If you're putting this into a spreadsheet it may assume radians so you'll need to multiply the angles by π/180.
One AU is 724205m. The asteroid distance is given in m and we need the coordinates in AU, so that's why the division is there.

Asteroid X = sin(A)*cos(B)*D/724205
Asteroid Y = cos(A)*cos(B)*D/724205
Asteroid Z = sin(B)*D/724205

Kiwi, Beware of Asteroids![2]

Note: For those not willing to do math, Kiwi has even created an online spreadsheet to make it easier. Here: docs.google.com/spreadsheets - Kiwi's Hazeron Asteroid Calculator
(You'll have to make a copy before being able to edit)

Breaking Apart and Smaller Asteroids

The asteroid will break apart into smaller asteroid pieces as it is damaged. These smaller asteroids will not be locked onto the homeworld, but will have some of the same trajectory as the original asteroid. in most cases smaller asteroids will simply be pulled in by the gravity of larger celestial objects, such as a sun or gas giant.

Easiest Defense

The easiest way to defend against an asteroid is with a spacecraft and energy weapon bay technology.

A spacecraft stationed in orbit with an energy weapon bay, system ranged sensors and a commanding officer with offensive posture will be able to take care of an incoming asteroid on its own. The officer will automatically order the crew to attack the asteroid once it is in sensor range.


Haxus visited the homeworld of Tamunshin to help with an asteroid, however they were unable to destroy it before the impact. Haxus recorded a video of the impact which can be seen here: http://hazeron.com/Playlists/Scenes%20of%20Hazeron/AsteroidImpact.mp4

Also, this was discussed in this thread on the forums: http://hazeron.com/mybb/showthread.php?tid=2062