🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.26 AU - 1.76 AU

Year: 681 Days

Day: 18.5 Hours

Environment

Temp: -42 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,398,806 km

• M1: 476,170 km (0.085 R)

Asteroid Belt

Center: 3.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 13

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.08 AU - 5.34 AU

Year: 4365 Days

Day: 11.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,398,806 km

• M1: 202,705 km (0.078 R)
• M2: 819,796 km (0.117 R)
• M3: 1,387,221 km (0.069 R)
• M4: 1,953,898 km (0.116 R)
• M5: 2,801,519 km (0.06 R)
• M6: 3,229,668 km (0.029 R)
• M7: 5,044,440 km (0.108 R)
• M8: 6,147,575 km (0.104 R)
• M9: 11,161,647 km (0.09 R)
• M10: 13,406,213 km (0.072 R)
• M11: 15,230,110 km (0.063 R)
• M12: 15,841,517 km (0.07 R)
• M13: 16,274,453 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.5

Radius: 10.9

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.19 AU - 7.57 AU

Year: 5916 Days

Day: 13.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,398,806 km

• M1: 140,921 km (0.11 R)
• M2: 487,839 km (0.089 R)
• M3: 851,361 km (0.077 R)
• M4: 1,358,648 km (0.051 R)
• M5: 1,822,850 km (0.113 R)
• M6: 2,756,939 km (0.061 R)
• M7: 3,442,247 km (0.072 R)
• M8: 4,109,753 km (0.089 R)
• M9: 5,862,441 km (0.117 R)
• M10: 6,532,939 km (0.108 R)
• M11: 7,142,401 km (0.106 R)
• M12: 8,768,829 km (0.109 R)
• M13: 13,014,566 km (0.082 R)
• M14: 15,423,690 km (0.042 R)
• M15: 15,989,918 km (0.115 R)
• M16: 17,635,495 km (0.047 R)
• M17: 22,041,152 km (0.102 R)
• M18: 23,084,148 km (0.104 R)
• M19: 24,497,250 km (0.081 R)
• M20: 24,923,604 km (0.048 R)
• M21: 26,858,951 km (0.057 R)
• M22: 27,403,637 km (0.081 R)
• M23: 31,325,495 km (0.064 R)
• M24: 35,606,238 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.6

Radius: 15

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 10.12 AU - 13.64 AU

Year: 15031 Days

Day: 5.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,398,806 km

• M1: 187,596 km (0.111 R)
• M2: 679,474 km (0.06 R)
• M3: 1,483,263 km (0.093 R)
• M4: 2,455,051 km (0.111 R)
• M5: 3,108,045 km (0.05 R)
• M6: 3,739,348 km (0.108 R)
• M7: 4,425,255 km (0.052 R)
• M8: 6,713,504 km (0.091 R)
• M9: 7,731,218 km (0.062 R)
• M10: 9,046,034 km (0.054 R)
• M11: 9,861,791 km (0.095 R)
• M12: 10,505,510 km (0.111 R)
• M13: 15,114,172 km (0.106 R)
• M14: 15,681,896 km (0.049 R)
• M15: 17,626,070 km (0.09 R)
• M16: 21,988,942 km (0.059 R)
• M17: 22,534,675 km (0.079 R)
• M18: 29,479,158 km (0.107 R)
• M19: 30,254,973 km (0.107 R)
• M20: 39,575,219 km (0.109 R)
• M21: 40,655,465 km (0.048 R)
• M22: 53,541,228 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 13,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit