🌌 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 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.44 AU - 0.6 AU

Year: 238 Days

Day: 35.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 52.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 14.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.75 AU - 0.83 AU

Year: 446 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,180,202 km

• M1: 176,675 km (0.069 R)
• M2: 708,496 km (0.115 R)
• M3: 1,164,470 km (0.094 R)
• M4: 1,674,299 km (0.068 R)
• M5: 2,334,774 km (0.107 R)
• M6: 2,828,597 km (0.089 R)
• M7: 3,295,641 km (0.066 R)
• M8: 4,734,623 km (0.07 R)
• M9: 5,674,397 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.6

Radius: 12.8

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2 AU - 3.34 AU

Year: 2774 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,180,202 km

• M1: 159,172 km (0.07 R)
• M2: 642,523 km (0.081 R)
• M3: 1,068,877 km (0.063 R)
• M4: 1,571,376 km (0.092 R)
• M5: 2,018,075 km (0.096 R)
• M6: 2,475,246 km (0.117 R)
• M7: 3,319,876 km (0.083 R)
• M8: 4,046,622 km (0.073 R)
• M9: 5,422,923 km (0.04 R)
• M10: 6,064,548 km (0.099 R)
• M11: 6,667,128 km (0.117 R)
• M12: 7,727,328 km (0.063 R)
• M13: 8,161,162 km (0.1 R)
• M14: 10,102,045 km (0.118 R)
• M15: 11,159,253 km (0.07 R)
• M16: 12,021,685 km (0.099 R)
• M17: 12,743,195 km (0.111 R)
• M18: 13,976,929 km (0.097 R)
• M19: 14,673,457 km (0.097 R)
• M20: 16,791,912 km (0.117 R)
• M21: 17,522,249 km (0.092 R)
• M22: 18,098,350 km (0.09 R)
• M23: 21,957,227 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.2

Radius: 14.2

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3 AU - 3.1 AU

Year: 3387 Days

Day: 10.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,180,202 km

• M1: 176,675 km (0.11 R)
• M2: 838,496 km (0.053 R)
• M3: 1,807,441 km (0.113 R)
• M4: 2,277,328 km (0.104 R)
• M5: 3,632,386 km (0.068 R)
• M6: 4,088,510 km (0.092 R)
• M7: 5,140,482 km (0.1 R)
• M8: 6,049,139 km (0.101 R)
• M9: 6,777,980 km (0.05 R)
• M10: 7,266,417 km (0.119 R)
• M11: 8,378,977 km (0.105 R)
• M12: 9,044,687 km (0.095 R)
• M13: 11,255,594 km (0.102 R)
• M14: 11,901,707 km (0.049 R)
• M15: 13,943,569 km (0.12 R)
• M16: 17,995,427 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.9

Radius: 3

Gravity: 103.54 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.68 AU - 7.6 AU

Year: 10879 Days

Day: 16.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,180,202 km

• M1: 37,399 km (0.051 R)
• M2: 134,339 km (0.09 R)
• M3: 1,350,719 km (0.107 R)
• M4: 2,243,968 km (0.09 R)
• M5: 5,290,977 km (0.027 R)
• M6: 5,466,456 km (0.029 R)
• M7: 9,327,278 km (0.079 R)
• M8: 9,429,154 km (0.112 R)
• M9: 9,583,389 km (0.1 R)
• M10: 10,056,268 km (0.094 R)
• M11: 10,379,998 km (0.034 R)
• M12: 14,008,943 km (0.11 R)
• M13: 14,548,842 km (0.085 R)
• M14: 16,622,418 km (0.11 R)
• M15: 17,074,652 km (0.091 R)
• M16: 17,535,114 km (0.107 R)
• M17: 19,129,678 km (0.114 R)
• M18: 19,543,017 km (0.096 R)
• M19: 19,877,817 km (0.102 R)
• M20: 21,255,613 km (0.112 R)
• M21: 21,788,182 km (0.088 R)
• M22: 22,057,907 km (0.086 R)
• M23: 22,787,795 km (0.11 R)
• M24: 23,722,632 km (0.099 R)
• M25: 23,912,621 km (0.076 R)
• M26: 25,073,950 km (0.118 R)
• M27: 28,246,920 km (0.111 R)
• M28: 30,318,103 km (0.113 R)
• M29: 31,562,458 km (0.099 R)
• M30: 35,374,960 km (0.041 R)
• M31: 37,519,894 km (0.042 R)
• M32: 39,616,359 km (0.054 R)
• M33: 41,651,338 km (0.111 R)
• M34: 43,328,779 km (0.065 R)
• M35: 48,020,916 km (0.113 R)
• M36: 48,936,904 km (0.065 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 11,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit