🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.8

Radius: 10.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.77 AU - 1.23 AU

Year: 703 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,928,519 km

• M1: 125,812 km (0.033 R)
• M2: 517,010 km (0.109 R)
• M3: 940,671 km (0.08 R)
• M4: 1,438,084 km (0.107 R)
• M5: 1,986,211 km (0.102 R)
• M6: 2,459,239 km (0.101 R)
• M7: 3,479,198 km (0.112 R)
• M8: 3,860,223 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.1

Radius: 12.9

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.35 AU - 2.03 AU

Year: 1544 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,928,519 km

• M1: 162,613 km (0.12 R)
• M2: 767,587 km (0.111 R)
• M3: 1,202,318 km (0.12 R)
• M4: 1,632,412 km (0.117 R)
• M5: 2,047,546 km (0.103 R)
• M6: 2,851,635 km (0.072 R)
• M7: 3,385,250 km (0.063 R)
• M8: 4,145,806 km (0.113 R)
• M9: 4,559,444 km (0.075 R)
• M10: 5,818,609 km (0.102 R)
• M11: 6,621,052 km (0.113 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.5

Radius: 5.8

Gravity: 16.78 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.33 AU - 5.91 AU

Year: 9365 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,928,519 km

• M1: 72,106 km (0.059 R)
• M2: 254,765 km (0.051 R)
• M3: 917,334 km (0.094 R)
• M4: 2,282,864 km (0.069 R)
• M5: 2,465,971 km (0.028 R)
• M6: 3,755,355 km (0.108 R)
• M7: 4,252,170 km (0.081 R)
• M8: 6,909,776 km (0.065 R)
• M9: 10,356,511 km (0.062 R)
• M10: 11,920,258 km (0.076 R)
• M11: 16,234,959 km (0.086 R)
• M12: 25,343,974 km (0.1 R)
• M13: 35,513,637 km (0.083 R)
• M14: 35,740,876 km (0.033 R)
• M15: 36,083,455 km (0.094 R)
• M16: 37,358,478 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92

Radius: 7.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.52 AU - 6.84 AU

Year: 12136 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,928,519 km

• M1: 89,609 km (0.085 R)
• M2: 366,216 km (0.029 R)
• M3: 625,469 km (0.115 R)
• M4: 902,973 km (0.094 R)
• M5: 1,994,289 km (0.026 R)
• M6: 2,396,857 km (0.097 R)
• M7: 3,285,169 km (0.054 R)
• M8: 3,527,817 km (0.058 R)
• M9: 3,782,433 km (0.093 R)
• M10: 5,327,031 km (0.069 R)
• M11: 6,439,590 km (0.084 R)
• M12: 9,274,769 km (0.111 R)
• M13: 9,556,761 km (0.081 R)
• M14: 9,802,999 km (0.1 R)
• M15: 10,350,976 km (0.08 R)
• M16: 10,786,455 km (0.052 R)
• M17: 16,355,236 km (0.118 R)
• M18: 16,589,805 km (0.111 R)
• M19: 17,307,127 km (0.116 R)
• M20: 19,847,748 km (0.063 R)
• M21: 22,194,340 km (0.095 R)
• M22: 22,482,017 km (0.052 R)
• M23: 25,733,826 km (0.03 R)
• M24: 26,211,193 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 17,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit