🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.1

Radius: 9.4

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.77 AU - 0.85 AU

Year: 471 Days

Day: 12.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,261,100 km

• M1: 116,836 km (0.107 R)
• M2: 477,965 km (0.118 R)
• M3: 932,743 km (0.06 R)
• M4: 1,429,408 km (0.088 R)
• M5: 1,781,561 km (0.1 R)
• M6: 2,208,065 km (0.049 R)
• M7: 2,664,039 km (0.047 R)
• M8: 3,192,718 km (0.117 R)
• M9: 3,567,460 km (0.075 R)
• M10: 4,353,448 km (0.114 R)
• M11: 4,787,730 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.1

Radius: 11.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.84 AU - 0.96 AU

Year: 551 Days

Day: 8.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,261,100 km

• M1: 140,622 km (0.113 R)
• M2: 558,449 km (0.115 R)
• M3: 1,001,109 km (0.045 R)
• M4: 1,939,536 km (0.087 R)
• M5: 2,295,579 km (0.037 R)
• M6: 2,715,501 km (0.108 R)
• M7: 3,131,831 km (0.113 R)
• M8: 4,173,781 km (0.06 R)
• M9: 4,615,842 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.4

Radius: 8.8

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.76 AU - 1.1 AU

Year: 579 Days

Day: 5.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,261,100 km

• M1: 109,506 km (0.055 R)
• M2: 388,506 km (0.083 R)
• M3: 802,742 km (0.106 R)
• M4: 1,170,903 km (0.027 R)
• M5: 1,595,910 km (0.078 R)
• M6: 2,049,042 km (0.065 R)
• M7: 3,174,916 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.9

Radius: 6.5

Gravity: 22.03 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.41 AU - 12.95 AU

Year: 22536 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,261,100 km

• M1: 81,232 km (0.07 R)
• M2: 401,072 km (0.08 R)
• M3: 1,488,499 km (0.118 R)
• M4: 1,816,417 km (0.118 R)
• M5: 2,061,010 km (0.103 R)
• M6: 2,667,928 km (0.072 R)
• M7: 3,825,068 km (0.096 R)
• M8: 4,966,500 km (0.04 R)
• M9: 5,406,766 km (0.075 R)
• M10: 6,048,691 km (0.073 R)
• M11: 6,273,536 km (0.073 R)
• M12: 6,597,864 km (0.048 R)
• M13: 8,279,345 km (0.071 R)
• M14: 9,307,830 km (0.074 R)
• M15: 9,668,810 km (0.039 R)
• M16: 14,438,438 km (0.074 R)
• M17: 15,500,583 km (0.108 R)
• M18: 15,922,599 km (0.107 R)
• M19: 16,439,160 km (0.092 R)
• M20: 17,145,113 km (0.052 R)
• M21: 17,505,644 km (0.044 R)
• M22: 18,429,111 km (0.105 R)
• M23: 18,902,738 km (0.092 R)
• M24: 25,237,011 km (0.085 R)
• M25: 28,247,818 km (0.116 R)
• M26: 28,498,544 km (0.107 R)
• M27: 32,303,267 km (0.117 R)
• M28: 33,269,968 km (0.071 R)
• M29: 42,853,208 km (0.114 R)
• M30: 46,765,192 km (0.097 R)
• M31: 51,653,302 km (0.038 R)
• M32: 54,317,042 km (0.118 R)
• M33: 65,230,656 km (0.108 R)
• M34: 67,441,413 km (0.068 R)
• M35: 79,497,356 km (0.103 R)
• M36: 82,273,294 km (0.096 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 12,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit