🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 14.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 9.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,687,842 km

• M1: 184,005 km (0.065 R)
• M2: 698,173 km (0.099 R)
• M3: 1,341,295 km (0.11 R)
• M4: 1,817,165 km (0.108 R)
• M5: 2,374,417 km (0.089 R)
• M6: 2,859,563 km (0.062 R)
• M7: 3,725,436 km (0.048 R)
• M8: 4,258,902 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92

Radius: 10.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.59 AU - 0.79 AU

Year: 389 Days

Day: 6.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,687,842 km

• M1: 125,662 km (0.092 R)
• M2: 461,958 km (0.102 R)
• M3: 1,101,190 km (0.12 R)
• M4: 1,513,930 km (0.106 R)
• M5: 1,831,527 km (0.101 R)
• M6: 2,269,549 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.3

Radius: 12.4

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.99 AU - 1.33 AU

Year: 847 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,687,842 km

• M1: 154,235 km (0.071 R)
• M2: 569,519 km (0.118 R)
• M3: 1,650,214 km (0.069 R)
• M4: 2,595,373 km (0.119 R)
• M5: 3,170,727 km (0.042 R)
• M6: 4,163,309 km (0.12 R)
• M7: 4,595,198 km (0.044 R)
• M8: 5,604,684 km (0.066 R)
• M9: 7,268,063 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.1

Radius: 10.1

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.73 AU - 2.49 AU

Year: 2079 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,687,842 km

• M1: 126,261 km (0.11 R)
• M2: 457,171 km (0.105 R)
• M3: 798,703 km (0.108 R)
• M4: 1,240,615 km (0.06 R)
• M5: 1,775,727 km (0.053 R)
• M6: 2,363,497 km (0.111 R)
• M7: 3,225,180 km (0.096 R)
• M8: 3,664,101 km (0.092 R)
• M9: 4,407,452 km (0.09 R)
• M10: 5,782,107 km (0.062 R)
• M11: 6,459,038 km (0.098 R)
• M12: 6,789,051 km (0.109 R)
• M13: 9,599,845 km (0.118 R)
• M14: 9,957,833 km (0.059 R)
• M15: 10,287,546 km (0.107 R)
• M16: 12,047,266 km (0.087 R)
• M17: 14,413,605 km (0.116 R)
• M18: 16,203,693 km (0.1 R)
• M19: 17,283,192 km (0.075 R)
• M20: 17,653,446 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.9

Radius: 12.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.86 AU - 3.52 AU

Year: 3864 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,687,842 km

• M1: 155,731 km (0.071 R)
• M2: 567,874 km (0.085 R)
• M3: 1,072,467 km (0.062 R)
• M4: 1,487,003 km (0.103 R)
• M5: 1,998,478 km (0.107 R)
• M6: 2,450,712 km (0.085 R)
• M7: 4,762,299 km (0.072 R)
• M8: 5,478,424 km (0.094 R)
• M9: 6,292,685 km (0.061 R)
• M10: 7,337,626 km (0.079 R)
• M11: 8,461,256 km (0.099 R)
• M12: 9,260,108 km (0.12 R)
• M13: 10,338,260 km (0.107 R)
• M14: 10,768,354 km (0.119 R)
• M15: 16,483,292 km (0.08 R)
• M16: 19,684,237 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.2

Radius: 3.4

Gravity: 50.97 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.93 AU - 11.19 AU

Year: 18496 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,687,842 km

• M1: 42,336 km (0.082 R)
• M2: 528,080 km (0.105 R)
• M3: 877,541 km (0.04 R)
• M4: 1,248,843 km (0.113 R)
• M5: 1,517,072 km (0.027 R)
• M6: 1,786,647 km (0.11 R)
• M7: 2,836,675 km (0.093 R)
• M8: 3,087,550 km (0.078 R)
• M9: 7,399,111 km (0.074 R)
• M10: 9,148,209 km (0.032 R)
• M11: 10,672,312 km (0.115 R)
• M12: 11,215,801 km (0.103 R)
• M13: 12,423,355 km (0.118 R)
• M14: 13,505,247 km (0.08 R)
• M15: 18,894,061 km (0.114 R)
• M16: 20,780,939 km (0.096 R)
• M17: 24,507,572 km (0.068 R)
• M18: 26,309,927 km (0.042 R)
• M19: 26,527,742 km (0.103 R)
• M20: 32,368,192 km (0.088 R)
• M21: 39,434,896 km (0.096 R)
• M22: 39,577,313 km (0.08 R)
• M23: 40,438,848 km (0.098 R)
• M24: 43,098,249 km (0.094 R)
• M25: 45,714,865 km (0.038 R)
• M26: 54,902,419 km (0.055 R)
• M27: 61,346,646 km (0.106 R)
• M28: 63,276,309 km (0.044 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: 429 - 10,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit