🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.51 AU - 0.53 AU

Year: 246 Days

Day: 15.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268

Radius: 10.9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.89 AU - 1.29 AU

Year: 747 Days

Day: 11.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 161.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,758,715 km

• M1: 135,685 km (0.117 R)
• M2: 625,768 km (0.116 R)
• M3: 1,158,187 km (0.069 R)
• M4: 1,789,939 km (0.074 R)
• M5: 2,167,823 km (0.109 R)
• M6: 2,741,830 km (0.045 R)
• M7: 3,087,999 km (0.101 R)
• M8: 3,451,223 km (0.104 R)
• M9: 4,250,674 km (0.083 R)
• M10: 4,672,091 km (0.112 R)
• M11: 5,137,340 km (0.075 R)
• M12: 5,514,776 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919

Radius: 9.7

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.49 AU - 1.67 AU

Year: 1303 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,758,715 km

• M1: 121,324 km (0.058 R)
• M2: 449,093 km (0.065 R)
• M3: 895,044 km (0.112 R)
• M4: 1,315,264 km (0.082 R)
• M5: 1,928,017 km (0.08 R)
• M6: 2,264,613 km (0.025 R)
• M7: 2,816,479 km (0.061 R)
• M8: 3,503,732 km (0.043 R)
• M9: 4,602,229 km (0.112 R)
• M10: 5,001,506 km (0.092 R)
• M11: 5,316,110 km (0.098 R)
• M12: 6,008,449 km (0.067 R)
• M13: 6,316,172 km (0.075 R)
• M14: 6,835,725 km (0.117 R)
• M15: 7,356,774 km (0.116 R)
• M16: 8,073,348 km (0.066 R)
• M17: 8,478,160 km (0.081 R)
• M18: 8,987,840 km (0.068 R)
• M19: 10,778,227 km (0.058 R)
• M20: 11,198,298 km (0.072 R)
• M21: 11,886,000 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.9

Radius: 12.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.61 AU - 2.15 AU

Year: 1691 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,758,715 km

• M1: 164,258 km (0.101 R)
• M2: 632,201 km (0.092 R)
• M3: 1,168,509 km (0.108 R)
• M4: 1,670,559 km (0.036 R)
• M5: 2,175,003 km (0.109 R)
• M6: 3,449,278 km (0.101 R)
• M7: 4,259,650 km (0.068 R)
• M8: 5,150,804 km (0.091 R)
• M9: 6,627,784 km (0.107 R)
• M10: 8,051,507 km (0.082 R)
• M11: 8,608,609 km (0.119 R)
• M12: 9,254,274 km (0.045 R)
• M13: 10,436,097 km (0.083 R)
• M14: 11,350,589 km (0.107 R)
• M15: 12,356,036 km (0.084 R)
• M16: 12,821,585 km (0.104 R)
• M17: 13,339,044 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.4

Radius: 7.6

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.71 AU - 9.09 AU

Year: 15971 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,758,715 km

• M1: 100,380 km (0.119 R)
• M2: 579,093 km (0.083 R)
• M3: 1,095,505 km (0.098 R)
• M4: 1,610,720 km (0.104 R)
• M5: 1,906,625 km (0.101 R)
• M6: 2,258,180 km (0.104 R)
• M7: 3,067,953 km (0.108 R)
• M8: 3,317,034 km (0.113 R)
• M9: 3,688,485 km (0.053 R)
• M10: 4,146,703 km (0.098 R)
• M11: 4,578,293 km (0.091 R)
• M12: 5,459,275 km (0.08 R)
• M13: 5,939,933 km (0.087 R)
• M14: 6,610,730 km (0.106 R)
• M15: 7,870,194 km (0.112 R)
• M16: 9,541,801 km (0.109 R)
• M17: 11,143,845 km (0.112 R)
• M18: 13,438,377 km (0.082 R)
• M19: 16,179,159 km (0.106 R)
• M20: 17,247,737 km (0.069 R)
• M21: 17,959,075 km (0.032 R)
• M22: 19,440,243 km (0.058 R)
• M23: 20,912,137 km (0.101 R)
• M24: 22,178,932 km (0.116 R)
• M25: 26,389,214 km (0.076 R)
• M26: 27,867,241 km (0.082 R)
• M27: 42,725,601 km (0.12 R)
• M28: 51,898,045 km (0.086 R)
• M29: 54,380,172 km (0.101 R)
• M30: 55,055,158 km (0.062 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 14,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit