🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.7

Radius: 13.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.93 AU - 1.43 AU

Year: 869 Days

Day: 12.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,395,909 km

• M1: 168,148 km (0.043 R)
• M2: 645,814 km (0.051 R)
• M3: 1,104,032 km (0.101 R)
• M4: 1,636,002 km (0.035 R)
• M5: 2,123,243 km (0.113 R)
• M6: 2,591,933 km (0.078 R)
• M7: 3,195,710 km (0.073 R)
• M8: 3,639,716 km (0.076 R)
• M9: 4,253,217 km (0.076 R)
• M10: 4,863,576 km (0.116 R)
• M11: 5,531,830 km (0.111 R)
• M12: 6,093,271 km (0.119 R)
• M13: 6,560,914 km (0.098 R)
• M14: 7,075,530 km (0.11 R)
• M15: 7,641,160 km (0.04 R)
• M16: 9,271,029 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.6

Radius: 10.1

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.24 AU - 1.44 AU

Year: 1052 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,395,909 km

• M1: 125,961 km (0.117 R)
• M2: 837,898 km (0.053 R)
• M3: 1,479,373 km (0.117 R)
• M4: 1,880,146 km (0.1 R)
• M5: 2,715,052 km (0.118 R)
• M6: 3,500,291 km (0.037 R)
• M7: 4,220,306 km (0.075 R)
• M8: 4,710,538 km (0.102 R)
• M9: 5,069,423 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.7

Radius: 8.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.11 AU - 3.95 AU

Year: 4498 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,395,909 km

• M1: 109,954 km (0.098 R)
• M2: 638,783 km (0.106 R)
• M3: 946,506 km (0.05 R)
• M4: 1,583,344 km (0.088 R)
• M5: 2,582,807 km (0.12 R)
• M6: 2,940,945 km (0.057 R)
• M7: 3,261,682 km (0.106 R)
• M8: 3,586,908 km (0.073 R)
• M9: 4,156,577 km (0.08 R)
• M10: 5,279,010 km (0.091 R)
• M11: 6,258,277 km (0.111 R)
• M12: 9,809,432 km (0.076 R)
• M13: 11,000,530 km (0.061 R)
• M14: 12,720,457 km (0.067 R)
• M15: 13,529,482 km (0.116 R)
• M16: 14,420,038 km (0.106 R)
• M17: 15,905,096 km (0.109 R)
• M18: 17,164,560 km (0.091 R)
• M19: 19,118,458 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.3

Radius: 3.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.43 AU - 6.99 AU

Year: 10496 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,395,909 km

• M1: 43,533 km (0.077 R)
• M2: 154,086 km (0.064 R)
• M3: 317,147 km (0.072 R)
• M4: 620,083 km (0.087 R)
• M5: 763,099 km (0.1 R)
• M6: 959,072 km (0.105 R)
• M7: 1,252,583 km (0.116 R)
• M8: 1,963,472 km (0.084 R)
• M9: 2,419,746 km (0.063 R)
• M10: 2,793,441 km (0.067 R)
• M11: 2,977,147 km (0.041 R)
• M12: 3,499,992 km (0.069 R)
• M13: 7,367,396 km (0.062 R)
• M14: 7,557,385 km (0.118 R)
• M15: 11,816,586 km (0.098 R)
• M16: 13,018,156 km (0.051 R)
• M17: 14,743,917 km (0.093 R)
• M18: 14,894,263 km (0.068 R)
• M19: 16,508,275 km (0.099 R)
• M20: 18,993,843 km (0.081 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 17,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit