🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.54 AU - 0.76 AU

Year: 338 Days

Day: 38.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,898,401 km

• M1: 146,606 km (0.09 R)
• M2: 410,347 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.4

Radius: 14.6

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.79 AU - 0.89 AU

Year: 497 Days

Day: 10 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,898,401 km

• M1: 181,612 km (0.11 R)
• M2: 684,111 km (0.104 R)
• M3: 1,304,045 km (0.052 R)
• M4: 2,369,331 km (0.079 R)
• M5: 2,835,328 km (0.099 R)
• M6: 3,670,533 km (0.053 R)
• M7: 4,590,261 km (0.106 R)
• M8: 5,177,283 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.6

Radius: 8.1

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.96 AU - 2.54 AU

Year: 2179 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,898,401 km

• M1: 100,829 km (0.114 R)
• M2: 519,703 km (0.09 R)
• M3: 1,028,485 km (0.104 R)
• M4: 1,872,816 km (0.092 R)
• M5: 2,600,609 km (0.067 R)
• M6: 3,575,090 km (0.087 R)
• M7: 4,057,393 km (0.089 R)
• M8: 4,688,547 km (0.041 R)
• M9: 6,646,633 km (0.066 R)
• M10: 7,463,887 km (0.073 R)
• M11: 8,602,027 km (0.118 R)
• M12: 8,928,450 km (0.099 R)
• M13: 9,851,618 km (0.085 R)
• M14: 12,169,338 km (0.117 R)
• M15: 14,051,429 km (0.114 R)
• M16: 15,440,894 km (0.105 R)
• M17: 16,168,987 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 11.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.2 AU - 6.36 AU

Year: 8972 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,898,401 km

• M1: 146,606 km (0.037 R)
• M2: 535,411 km (0.065 R)
• M3: 1,039,256 km (0.073 R)
• M4: 1,579,305 km (0.119 R)
• M5: 2,210,009 km (0.111 R)
• M6: 3,253,155 km (0.107 R)
• M7: 4,232,124 km (0.096 R)
• M8: 4,803,438 km (0.112 R)
• M9: 5,889,818 km (0.07 R)
• M10: 6,411,765 km (0.108 R)
• M11: 6,831,686 km (0.098 R)
• M12: 7,871,242 km (0.072 R)
• M13: 8,933,835 km (0.072 R)
• M14: 9,376,645 km (0.117 R)
• M15: 10,219,330 km (0.045 R)
• M16: 13,994,282 km (0.114 R)
• M17: 15,321,365 km (0.051 R)
• M18: 16,192,324 km (0.073 R)
• M19: 18,611,172 km (0.071 R)
• M20: 19,135,662 km (0.118 R)
• M21: 19,872,880 km (0.067 R)
• M22: 20,628,948 km (0.084 R)
• M23: 21,547,030 km (0.053 R)
• M24: 23,237,935 km (0.084 R)
• M25: 27,977,495 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 17,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit