🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.4

Radius: 9.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.74 AU - 1.2 AU

Year: 627 Days

Day: 8.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,513,467 km

• M1: 120,725 km (0.106 R)
• M2: 742,305 km (0.091 R)
• M3: 1,168,210 km (0.059 R)
• M4: 1,938,788 km (0.058 R)
• M5: 2,285,257 km (0.075 R)
• M6: 2,713,257 km (0.028 R)
• M7: 3,706,138 km (0.084 R)
• M8: 4,970,688 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74

Radius: 13.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.55 AU - 2.37 AU

Year: 1800 Days

Day: 5.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,513,467 km

• M1: 166,652 km (0.111 R)
• M2: 724,203 km (0.078 R)
• M3: 1,160,730 km (0.07 R)
• M4: 2,022,114 km (0.08 R)
• M5: 3,107,148 km (0.103 R)
• M6: 4,030,466 km (0.117 R)
• M7: 4,996,270 km (0.095 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.1

Radius: 5.1

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.39 AU - 8.99 AU

Year: 12647 Days

Day: 20.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,513,467 km

• M1: 71,508 km (0.08 R)
• M2: 519,105 km (0.047 R)
• M3: 736,770 km (0.03 R)
• M4: 1,076,057 km (0.076 R)
• M5: 1,500,317 km (0.103 R)
• M6: 2,501,127 km (0.066 R)
• M7: 2,895,616 km (0.095 R)
• M8: 3,151,728 km (0.089 R)
• M9: 3,564,020 km (0.112 R)
• M10: 6,250,947 km (0.088 R)
• M11: 6,498,382 km (0.046 R)
• M12: 7,835,039 km (0.112 R)
• M13: 9,253,975 km (0.099 R)
• M14: 10,735,293 km (0.081 R)
• M15: 13,858,747 km (0.096 R)
• M16: 15,021,421 km (0.087 R)
• M17: 15,529,905 km (0.072 R)
• M18: 16,851,153 km (0.083 R)
• M19: 17,124,019 km (0.076 R)
• M20: 17,330,764 km (0.111 R)
• M21: 18,678,341 km (0.067 R)
• M22: 19,715,055 km (0.09 R)
• M23: 21,261,747 km (0.081 R)
• M24: 21,983,407 km (0.088 R)
• M25: 27,217,388 km (0.118 R)
• M26: 28,259,187 km (0.118 R)
• M27: 30,021,001 km (0.105 R)
• M28: 34,743,058 km (0.105 R)
• M29: 35,743,270 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.1

Radius: 7.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.53 AU - 9.79 AU

Year: 16718 Days

Day: 24.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,513,467 km

• M1: 95,892 km (0.115 R)
• M2: 449,242 km (0.092 R)
• M3: 996,771 km (0.029 R)
• M4: 1,456,036 km (0.032 R)
• M5: 1,742,516 km (0.102 R)
• M6: 2,752,601 km (0.09 R)
• M7: 3,102,510 km (0.119 R)
• M8: 6,594,274 km (0.073 R)
• M9: 6,942,987 km (0.036 R)
• M10: 9,888,868 km (0.092 R)
• M11: 10,449,710 km (0.043 R)
• M12: 10,977,941 km (0.092 R)
• M13: 11,413,121 km (0.057 R)
• M14: 13,826,733 km (0.087 R)
• M15: 14,463,272 km (0.062 R)
• M16: 20,768,074 km (0.071 R)
• M17: 21,518,158 km (0.088 R)
• M18: 22,808,439 km (0.049 R)
• M19: 23,877,017 km (0.111 R)
• M20: 26,987,605 km (0.115 R)
• M21: 29,308,616 km (0.096 R)
• M22: 31,541,215 km (0.075 R)
• M23: 33,542,984 km (0.114 R)
• M24: 38,168,102 km (0.046 R)
• M25: 44,148,725 km (0.069 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 18,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit