🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.16 AU - 1.2 AU

Year: 468 Days

Day: 16.2 Hours

Environment

Temp: 3 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.4

Radius: 12

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.73 AU - 6.99 AU

Year: 5181 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,322,884 km

• M1: 150,047 km (0.047 R)
• M2: 566,378 km (0.028 R)
• M3: 1,007,841 km (0.041 R)
• M4: 1,394,851 km (0.062 R)
• M5: 1,989,352 km (0.035 R)
• M6: 3,083,511 km (0.065 R)
• M7: 3,690,879 km (0.06 R)
• M8: 4,306,773 km (0.105 R)
• M9: 4,738,213 km (0.114 R)
• M10: 5,251,484 km (0.081 R)
• M11: 5,945,169 km (0.089 R)
• M12: 7,181,147 km (0.106 R)
• M13: 9,705,162 km (0.025 R)
• M14: 10,924,534 km (0.106 R)
• M15: 16,545,824 km (0.103 R)
• M16: 17,072,109 km (0.086 R)
• M17: 19,612,879 km (0.084 R)
• M18: 20,736,658 km (0.097 R)
• M19: 24,667,791 km (0.091 R)
• M20: 25,201,257 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.8

Radius: 12.6

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.54 AU - 11.82 AU

Year: 12748 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 23,322,884 km

• M1: 170,392 km (0.064 R)
• M2: 842,685 km (0.119 R)
• M3: 1,388,567 km (0.099 R)
• M4: 2,532,094 km (0.11 R)
• M5: 3,645,999 km (0.097 R)
• M6: 4,493,621 km (0.059 R)
• M7: 5,365,178 km (0.084 R)
• M8: 6,193,651 km (0.108 R)
• M9: 7,064,311 km (0.076 R)
• M10: 9,097,795 km (0.107 R)
• M11: 10,763,716 km (0.05 R)
• M12: 14,155,100 km (0.114 R)
• M13: 17,658,233 km (0.09 R)
• M14: 18,359,249 km (0.11 R)
• M15: 19,983,433 km (0.044 R)
• M16: 28,070,694 km (0.026 R)
• M17: 29,783,590 km (0.098 R)
• M18: 30,443,466 km (0.064 R)
• M19: 31,113,216 km (0.118 R)
• M20: 33,653,238 km (0.113 R)
• M21: 36,203,881 km (0.057 R)
• M22: 40,872,083 km (0.115 R)
• M23: 47,700,179 km (0.057 R)
• M24: 52,492,397 km (0.102 R)
• M25: 54,594,097 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.2

Radius: 5.8

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 12.45 AU - 19.73 AU

Year: 23574 Days

Day: 22.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,322,884 km

• M1: 306,376 km (0.082 R)
• M2: 534,812 km (0.108 R)
• M3: 1,121,086 km (0.12 R)
• M4: 1,639,742 km (0.097 R)
• M5: 4,265,634 km (0.102 R)
• M6: 4,679,421 km (0.039 R)
• M7: 8,115,684 km (0.093 R)
• M8: 8,786,631 km (0.112 R)
• M9: 10,853,176 km (0.109 R)
• M10: 11,063,511 km (0.059 R)
• M11: 13,127,812 km (0.092 R)
• M12: 13,366,570 km (0.089 R)
• M13: 15,916,914 km (0.098 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 14,477 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit