🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.41 AU - 0.63 AU

Year: 131 Days

Day: 29.2 Hours

Environment

Temp: 239 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.63 AU - 0.91 AU

Year: 235 Days

Day: 13.7 Hours

Environment

Temp: 196 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.05 AU - 1.63 AU

Year: 540 Days

Day: 15.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 1.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.04 AU - 2.24 AU

Year: 1090 Days

Day: 45.5 Hours

Environment

Temp: -55 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,717,824 km

• M1: 25,432 km (0.085 R)

Asteroid Belt

Center: 5.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 12.6

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.63 AU - 11.67 AU

Year: 10440 Days

Day: 6.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,717,824 km

• M1: 156,629 km (0.098 R)
• M2: 948,151 km (0.101 R)
• M3: 1,623,735 km (0.098 R)
• M4: 3,066,158 km (0.074 R)
• M5: 4,160,018 km (0.05 R)
• M6: 7,594,635 km (0.086 R)
• M7: 8,018,745 km (0.099 R)
• M8: 8,413,983 km (0.088 R)
• M9: 9,291,374 km (0.12 R)
• M10: 9,727,751 km (0.076 R)
• M11: 10,228,754 km (0.111 R)
• M12: 11,282,671 km (0.08 R)
• M13: 12,465,691 km (0.09 R)
• M14: 14,879,902 km (0.077 R)
• M15: 16,231,967 km (0.069 R)
• M16: 16,653,085 km (0.1 R)
• M17: 17,153,640 km (0.114 R)
• M18: 18,946,720 km (0.118 R)
• M19: 20,048,658 km (0.08 R)
• M20: 20,533,804 km (0.098 R)
• M21: 21,865,823 km (0.119 R)
• M22: 28,580,972 km (0.102 R)
• M23: 32,848,700 km (0.083 R)
• M24: 33,410,291 km (0.072 R)
• M25: 35,368,228 km (0.118 R)
• M26: 36,077,172 km (0.087 R)
• M27: 37,158,316 km (0.118 R)
• M28: 38,508,885 km (0.113 R)
• M29: 39,133,457 km (0.08 R)
• M30: 42,890,458 km (0.027 R)
• M31: 47,880,594 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.7

Radius: 8.1

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 10.05 AU - 14.37 AU

Year: 14858 Days

Day: 12.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,717,824 km

• M1: 105,766 km (0.086 R)
• M2: 533,017 km (0.113 R)
• M3: 2,133,116 km (0.089 R)
• M4: 7,816,638 km (0.111 R)
• M5: 9,632,158 km (0.114 R)
• M6: 10,004,806 km (0.042 R)
• M7: 11,123,050 km (0.042 R)
• M8: 11,533,397 km (0.071 R)
• M9: 12,260,293 km (0.025 R)
• M10: 16,967,839 km (0.089 R)
• M11: 18,067,533 km (0.061 R)
• M12: 18,881,495 km (0.05 R)
• M13: 19,465,825 km (0.059 R)
• M14: 20,234,608 km (0.102 R)
• M15: 21,470,586 km (0.092 R)
• M16: 24,581,773 km (0.116 R)
• M17: 30,074,258 km (0.115 R)
• M18: 33,224,789 km (0.061 R)
• M19: 34,817,408 km (0.048 R)
• M20: 39,087,680 km (0.073 R)
• M21: 40,310,193 km (0.038 R)
• M22: 47,263,652 km (0.107 R)
• M23: 48,962,635 km (0.11 R)
• M24: 49,275,893 km (0.053 R)
• M25: 51,667,813 km (0.099 R)
• M26: 56,681,736 km (0.119 R)
• M27: 57,896,620 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.1

Radius: 7.3

Gravity: 17.94 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 12.04 AU - 17.62 AU

Year: 19889 Days

Day: 17.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,717,824 km

• M1: 90,806 km (0.118 R)
• M2: 318,045 km (0.114 R)
• M3: 568,023 km (0.081 R)
• M4: 809,175 km (0.105 R)
• M5: 3,104,455 km (0.116 R)
• M6: 3,844,964 km (0.117 R)
• M7: 4,661,470 km (0.108 R)
• M8: 4,920,124 km (0.088 R)
• M9: 6,360,602 km (0.117 R)
• M10: 8,821,038 km (0.109 R)
• M11: 10,047,143 km (0.113 R)
• M12: 10,925,132 km (0.067 R)
• M13: 11,921,454 km (0.107 R)
• M14: 14,480,027 km (0.054 R)
• M15: 17,295,309 km (0.07 R)
• M16: 30,636,447 km (0.092 R)
• M17: 31,154,056 km (0.086 R)
• M18: 33,419,716 km (0.08 R)
• M19: 38,575,457 km (0.051 R)
• M20: 39,942,631 km (0.04 R)
• M21: 46,410,795 km (0.092 R)
• M22: 53,356,923 km (0.097 R)
• M23: 60,153,304 km (0.096 R)
• M24: 61,169,073 km (0.073 R)
• M25: 63,653,296 km (0.114 R)
• M26: 64,920,240 km (0.104 R)
• M27: 81,955,697 km (0.052 R)

Kuiper Belt

Range: 31.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 13,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit