🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.4

Radius: 10.2

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.47 AU - 0.65 AU

Year: 284 Days

Day: 10.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,416,837 km

• M1: 126,859 km (0.054 R)
• M2: 489,335 km (0.087 R)
• M3: 990,338 km (0.098 R)
• M4: 1,312,572 km (0.107 R)
• M5: 1,661,584 km (0.098 R)
• M6: 2,050,987 km (0.105 R)
• M7: 2,442,634 km (0.079 R)
• M8: 2,874,673 km (0.076 R)
• M9: 3,285,169 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.9

Radius: 12.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.59 AU - 0.71 AU

Year: 355 Days

Day: 10.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,416,837 km

• M1: 153,039 km (0.074 R)
• M2: 579,243 km (0.086 R)
• M3: 982,559 km (0.12 R)
• M4: 1,600,398 km (0.066 R)
• M5: 2,041,712 km (0.053 R)
• M6: 2,443,532 km (0.096 R)
• M7: 3,081,567 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.3

Radius: 8.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.8 AU - 3 AU

Year: 2522 Days

Day: 11.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,416,837 km

• M1: 105,766 km (0.091 R)
• M2: 445,951 km (0.066 R)
• M3: 1,301,352 km (0.088 R)
• M4: 1,846,187 km (0.094 R)
• M5: 2,459,688 km (0.097 R)
• M6: 3,011,256 km (0.099 R)
• M7: 4,304,529 km (0.119 R)
• M8: 5,126,420 km (0.039 R)
• M9: 5,910,911 km (0.102 R)
• M10: 6,332,029 km (0.112 R)
• M11: 6,823,458 km (0.052 R)
• M12: 7,882,312 km (0.116 R)
• M13: 8,955,826 km (0.101 R)
• M14: 9,734,483 km (0.095 R)
• M15: 12,117,577 km (0.06 R)
• M16: 12,797,948 km (0.076 R)
• M17: 13,147,708 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.9

Radius: 12.6

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.79 AU - 3.47 AU

Year: 3756 Days

Day: 9.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,416,837 km

• M1: 263,591 km (0.086 R)
• M2: 883,974 km (0.119 R)
• M3: 1,535,024 km (0.089 R)
• M4: 3,434,169 km (0.072 R)
• M5: 8,332,751 km (0.114 R)
• M6: 8,743,996 km (0.113 R)
• M7: 12,769,973 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.8

Radius: 5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.26 AU - 12.2 AU

Year: 23839 Days

Day: 21.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,416,837 km

• M1: 62,233 km (0.108 R)
• M2: 242,199 km (0.104 R)
• M3: 1,265,748 km (0.102 R)
• M4: 2,247,409 km (0.112 R)
• M5: 3,074,984 km (0.087 R)
• M6: 5,802,901 km (0.08 R)
• M7: 7,544,370 km (0.101 R)
• M8: 7,982,243 km (0.042 R)
• M9: 9,776,071 km (0.111 R)
• M10: 22,711,051 km (0.092 R)
• M11: 27,680,393 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 10,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit