🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.4

Radius: 10.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.9 AU - 1.32 AU

Year: 767 Days

Day: 8.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,570,354 km

• M1: 128,205 km (0.095 R)
• M2: 489,035 km (0.074 R)
• M3: 850,015 km (0.1 R)
• M4: 1,875,209 km (0.11 R)
• M5: 2,513,394 km (0.108 R)
• M6: 3,851,248 km (0.117 R)
• M7: 4,738,961 km (0.115 R)
• M8: 5,096,799 km (0.081 R)
• M9: 6,146,977 km (0.075 R)
• M10: 6,978,292 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.8

Radius: 10.4

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.3 AU - 1.42 AU

Year: 1040 Days

Day: 7.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,570,354 km

• M1: 129,402 km (0.063 R)
• M2: 465,698 km (0.114 R)
• M3: 1,147,266 km (0.098 R)
• M4: 1,575,266 km (0.078 R)
• M5: 2,286,454 km (0.11 R)
• M6: 2,721,036 km (0.118 R)
• M7: 3,459,152 km (0.093 R)
• M8: 3,907,197 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.4

Radius: 15

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.89 AU - 4.45 AU

Year: 5586 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,570,354 km

• M1: 186,549 km (0.11 R)
• M2: 800,797 km (0.068 R)
• M3: 1,367,325 km (0.052 R)
• M4: 1,883,288 km (0.074 R)
• M5: 3,760,142 km (0.088 R)
• M6: 4,257,555 km (0.034 R)
• M7: 4,772,322 km (0.1 R)
• M8: 6,947,325 km (0.072 R)
• M9: 8,312,854 km (0.117 R)
• M10: 9,206,103 km (0.106 R)
• M11: 10,993,200 km (0.11 R)
• M12: 14,206,412 km (0.062 R)
• M13: 14,719,982 km (0.118 R)
• M14: 15,966,730 km (0.079 R)
• M15: 16,710,082 km (0.064 R)
• M16: 17,737,221 km (0.06 R)
• M17: 18,874,165 km (0.11 R)
• M18: 20,852,148 km (0.097 R)
• M19: 22,654,802 km (0.07 R)
• M20: 25,718,268 km (0.089 R)
• M21: 27,701,337 km (0.034 R)
• M22: 32,953,120 km (0.034 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.8

Radius: 7.1

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 10.22 AU - 11.36 AU

Year: 23251 Days

Day: 18.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 79.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,570,354 km

• M1: 88,263 km (0.064 R)
• M2: 381,026 km (0.099 R)
• M3: 668,702 km (0.105 R)
• M4: 891,753 km (0.092 R)
• M5: 3,368,046 km (0.086 R)
• M6: 5,692,648 km (0.06 R)
• M7: 6,345,044 km (0.098 R)
• M8: 7,944,395 km (0.115 R)
• M9: 9,185,309 km (0.074 R)
• M10: 10,431,908 km (0.077 R)
• M11: 11,723,536 km (0.077 R)
• M12: 15,069,891 km (0.072 R)
• M13: 15,528,409 km (0.081 R)
• M14: 23,878,363 km (0.115 R)
• M15: 26,991,794 km (0.087 R)
• M16: 30,365,525 km (0.092 R)
• M17: 37,377,626 km (0.116 R)
• M18: 39,790,341 km (0.063 R)
• M19: 42,154,137 km (0.064 R)
• M20: 43,524,005 km (0.086 R)
• M21: 47,159,382 km (0.097 R)
• M22: 71,570,314 km (0.044 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 11,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit