🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.4

Radius: 14.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.53 AU - 0.67 AU

Year: 315 Days

Day: 8.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,998,362 km

• M1: 180,415 km (0.106 R)
• M2: 913,145 km (0.118 R)
• M3: 1,382,733 km (0.106 R)
• M4: 2,068,789 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 12.6

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.18 AU - 4.34 AU

Year: 4945 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,998,362 km

• M1: 156,629 km (0.116 R)
• M2: 729,290 km (0.084 R)
• M3: 1,159,383 km (0.112 R)
• M4: 2,326,097 km (0.098 R)
• M5: 4,020,742 km (0.054 R)
• M6: 4,633,794 km (0.039 R)
• M7: 5,365,028 km (0.108 R)
• M8: 5,985,860 km (0.065 R)
• M9: 6,425,977 km (0.084 R)
• M10: 7,023,770 km (0.108 R)
• M11: 8,840,785 km (0.085 R)
• M12: 9,581,145 km (0.103 R)
• M13: 10,407,225 km (0.088 R)
• M14: 11,517,690 km (0.063 R)
• M15: 13,973,937 km (0.095 R)
• M16: 16,332,946 km (0.118 R)
• M17: 16,946,297 km (0.091 R)
• M18: 20,883,713 km (0.056 R)
• M19: 22,048,333 km (0.08 R)
• M20: 26,300,054 km (0.066 R)
• M21: 28,795,197 km (0.031 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.7

Radius: 3.9

Gravity: 14.64 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.39 AU - 8.23 AU

Year: 13405 Days

Day: 22.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,998,362 km

• M1: 48,470 km (0.03 R)
• M2: 393,293 km (0.102 R)
• M3: 567,874 km (0.037 R)
• M4: 871,707 km (0.072 R)
• M5: 1,240,765 km (0.045 R)
• M6: 2,440,839 km (0.03 R)
• M7: 9,449,050 km (0.107 R)
• M8: 10,151,412 km (0.025 R)
• M9: 12,031,708 km (0.12 R)
• M10: 13,953,143 km (0.051 R)
• M11: 14,677,496 km (0.081 R)
• M12: 23,769,456 km (0.05 R)
• M13: 30,009,333 km (0.073 R)
• M14: 30,506,895 km (0.109 R)
• M15: 33,823,181 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.6

Radius: 3.1

Gravity: 49.28 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.9 AU - 8.18 AU

Year: 14043 Days

Day: 16.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,998,362 km

• M1: 73,453 km (0.065 R)
• M2: 172,187 km (0.078 R)
• M3: 463,454 km (0.12 R)
• M4: 1,458,280 km (0.087 R)
• M5: 1,605,484 km (0.108 R)
• M6: 2,952,912 km (0.089 R)
• M7: 6,135,308 km (0.079 R)
• M8: 6,878,660 km (0.112 R)
• M9: 7,990,471 km (0.07 R)
• M10: 12,574,449 km (0.118 R)
• M11: 17,184,607 km (0.107 R)
• M12: 19,533,892 km (0.076 R)
• M13: 20,446,289 km (0.1 R)
• M14: 21,823,487 km (0.115 R)
• M15: 30,407,114 km (0.06 R)
• M16: 38,886,321 km (0.099 R)
• M17: 51,261,206 km (0.079 R)
• M18: 52,515,585 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.4

Radius: 7.8

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.9 AU - 11.68 AU

Year: 20776 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,998,362 km

• M1: 121,025 km (0.077 R)
• M2: 390,450 km (0.07 R)
• M3: 783,444 km (0.069 R)
• M4: 1,052,720 km (0.105 R)
• M5: 1,638,097 km (0.106 R)
• M6: 2,144,485 km (0.037 R)
• M7: 2,424,233 km (0.093 R)
• M8: 2,750,955 km (0.1 R)
• M9: 3,207,079 km (0.088 R)
• M10: 4,916,235 km (0.1 R)
• M11: 5,406,018 km (0.088 R)
• M12: 5,662,878 km (0.081 R)
• M13: 6,161,637 km (0.104 R)
• M14: 8,405,306 km (0.086 R)
• M15: 11,988,325 km (0.062 R)
• M16: 12,874,991 km (0.095 R)
• M17: 30,155,490 km (0.092 R)
• M18: 34,982,116 km (0.109 R)
• M19: 40,718,895 km (0.12 R)
• M20: 42,425,059 km (0.092 R)
• M21: 56,942,934 km (0.093 R)
• M22: 59,434,785 km (0.115 R)
• M23: 60,524,606 km (0.071 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: 428 - 16,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit