🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.64 AU - 0.64 AU

Year: 183 Days

Day: 31.9 Hours

Environment

Temp: 210 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.63 AU - 0.69 AU

Year: 192 Days

Day: 41.8 Hours

Environment

Temp: 181 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 24,341,656 km

• M1: 34,557 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.39 AU - 1.57 AU

Year: 645 Days

Day: 33.9 Hours

Environment

Temp: -20 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,341,656 km

• M1: 31,116 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.64 AU - 2.04 AU

Year: 894 Days

Day: 38.3 Hours

Environment

Temp: -59 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,341,656 km

• M1: 207,642 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.83 AU - 2.15 AU

Year: 1005 Days

Day: 21.1 Hours

Environment

Temp: -66 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,341,656 km

• M1: 115,789 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.59 AU - 4.97 AU

Year: 3743 Days

Day: 42.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,341,656 km

• M1: 43,982 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.1

Radius: 9.6

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.18 AU - 6.04 AU

Year: 4759 Days

Day: 11.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,341,656 km

• M1: 119,678 km (0.044 R)
• M2: 585,676 km (0.084 R)
• M3: 891,005 km (0.108 R)
• M4: 1,240,166 km (0.104 R)
• M5: 1,600,847 km (0.103 R)
• M6: 3,525,274 km (0.113 R)
• M7: 4,193,528 km (0.066 R)
• M8: 5,170,402 km (0.089 R)
• M9: 5,948,311 km (0.071 R)
• M10: 6,926,082 km (0.12 R)
• M11: 8,286,076 km (0.091 R)
• M12: 10,379,100 km (0.079 R)
• M13: 11,220,738 km (0.111 R)
• M14: 12,244,287 km (0.093 R)
• M15: 15,633,875 km (0.114 R)
• M16: 16,290,909 km (0.081 R)
• M17: 18,073,368 km (0.074 R)
• M18: 18,797,122 km (0.097 R)
• M19: 19,791,948 km (0.096 R)
• M20: 20,173,871 km (0.027 R)
• M21: 20,821,480 km (0.086 R)
• M22: 21,282,990 km (0.11 R)
• M23: 22,569,980 km (0.115 R)
• M24: 23,836,476 km (0.063 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 10,291 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit