🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 13.1

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.46 AU - 0.58 AU

Year: 259 Days

Day: 13.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,912,316 km

• M1: 171,290 km (0.038 R)
• M2: 744,549 km (0.089 R)
• M3: 1,178,682 km (0.095 R)
• M4: 1,590,076 km (0.107 R)
• M5: 2,099,606 km (0.107 R)
• M6: 2,969,368 km (0.104 R)
• M7: 3,477,253 km (0.095 R)
• M8: 3,913,480 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.6

Radius: 11.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.08 AU - 1.18 AU

Year: 829 Days

Day: 11 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,912,316 km

• M1: 143,016 km (0.068 R)
• M2: 520,750 km (0.106 R)
• M3: 898,186 km (0.118 R)
• M4: 1,348,026 km (0.115 R)
• M5: 1,799,662 km (0.087 R)
• M6: 2,260,873 km (0.104 R)
• M7: 2,777,584 km (0.111 R)
• M8: 3,332,442 km (0.111 R)
• M9: 3,700,154 km (0.106 R)
• M10: 4,358,085 km (0.039 R)
• M11: 4,850,262 km (0.082 R)
• M12: 5,452,842 km (0.106 R)
• M13: 6,204,871 km (0.099 R)
• M14: 6,722,330 km (0.091 R)
• M15: 7,090,640 km (0.097 R)
• M16: 7,518,191 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 14.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.46 AU - 2.12 AU

Year: 1653 Days

Day: 12.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,912,316 km

• M1: 175,329 km (0.047 R)
• M2: 645,664 km (0.073 R)
• M3: 1,182,870 km (0.056 R)
• M4: 1,857,108 km (0.068 R)
• M5: 2,852,831 km (0.063 R)
• M6: 3,448,081 km (0.083 R)
• M7: 4,620,330 km (0.089 R)
• M8: 5,060,447 km (0.081 R)
• M9: 5,646,123 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.2

Radius: 12.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.91 AU - 3.69 AU

Year: 4138 Days

Day: 5.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,912,316 km

• M1: 155,432 km (0.051 R)
• M2: 661,671 km (0.064 R)
• M3: 1,078,601 km (0.102 R)
• M4: 1,702,873 km (0.114 R)
• M5: 2,412,266 km (0.089 R)
• M6: 3,153,523 km (0.086 R)
• M7: 3,927,542 km (0.09 R)
• M8: 6,248,254 km (0.094 R)
• M9: 6,956,899 km (0.051 R)
• M10: 8,573,005 km (0.119 R)
• M11: 9,003,548 km (0.107 R)
• M12: 11,946,736 km (0.106 R)
• M13: 12,988,087 km (0.109 R)
• M14: 13,928,011 km (0.042 R)
• M15: 15,024,862 km (0.033 R)
• M16: 16,001,886 km (0.094 R)
• M17: 20,406,197 km (0.109 R)
• M18: 23,525,911 km (0.085 R)
• M19: 24,217,053 km (0.096 R)
• M20: 24,763,833 km (0.052 R)
• M21: 28,219,694 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.7

Radius: 5.6

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.84 AU - 9.08 AU

Year: 18513 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,912,316 km

• M1: 70,909 km (0.108 R)
• M2: 270,174 km (0.075 R)
• M3: 2,813,038 km (0.053 R)
• M4: 3,409,784 km (0.111 R)
• M5: 4,918,329 km (0.065 R)
• M6: 7,124,898 km (0.11 R)
• M7: 8,129,148 km (0.094 R)
• M8: 9,018,508 km (0.056 R)
• M9: 10,135,854 km (0.047 R)
• M10: 12,011,512 km (0.113 R)
• M11: 12,324,022 km (0.065 R)
• M12: 12,770,871 km (0.05 R)
• M13: 14,245,308 km (0.109 R)
• M14: 19,429,323 km (0.102 R)
• M15: 19,773,398 km (0.098 R)
• M16: 24,425,293 km (0.101 R)
• M17: 27,865,147 km (0.114 R)
• M18: 34,795,268 km (0.045 R)
• M19: 39,818,166 km (0.091 R)
• M20: 46,213,026 km (0.079 R)
• M21: 48,382,943 km (0.112 R)
• M22: 49,492,960 km (0.116 R)
• M23: 51,271,379 km (0.065 R)
• M24: 58,811,710 km (0.067 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 15,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit