🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.68 AU - 0.98 AU

Year: 267 Days

Day: 12.7 Hours

Environment

Temp: 188 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.16 AU - 1.34 AU

Year: 493 Days

Day: 27.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 114,295,971 km

• M1: 35,604 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.22 AU - 2.28 AU

Year: 1192 Days

Day: 45.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.16 AU - 3.28 AU

Year: 2040 Days

Day: 31.7 Hours

Environment

Temp: -94 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.09 AU - 4.35 AU

Year: 3061 Days

Day: 30.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 114,295,971 km

• M1: 34,108 km (0.095 R)
• M2: 53,706 km (0.109 R)

Asteroid Belt

Center: 5.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.2

Radius: 8.4

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.35 AU - 8.25 AU

Year: 6964 Days

Day: 9.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 114,295,971 km

• M1: 104,569 km (0.106 R)
• M2: 369,956 km (0.095 R)
• M3: 962,363 km (0.1 R)
• M4: 1,641,537 km (0.079 R)
• M5: 1,950,158 km (0.117 R)
• M6: 2,440,390 km (0.061 R)
• M7: 6,528,451 km (0.11 R)
• M8: 6,930,720 km (0.076 R)
• M9: 7,427,085 km (0.036 R)
• M10: 10,031,734 km (0.113 R)
• M11: 12,401,215 km (0.082 R)
• M12: 13,774,822 km (0.079 R)
• M13: 15,630,883 km (0.094 R)
• M14: 18,429,111 km (0.081 R)
• M15: 19,756,792 km (0.101 R)
• M16: 20,136,621 km (0.073 R)
• M17: 21,385,016 km (0.095 R)
• M18: 28,796,543 km (0.087 R)
• M19: 29,679,769 km (0.103 R)
• M20: 37,407,247 km (0.106 R)
• M21: 38,340,737 km (0.107 R)
• M22: 40,619,861 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.8

Radius: 6.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 15.45 AU - 17.05 AU

Year: 23130 Days

Day: 18.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 114,295,971 km

• M1: 86,767 km (0.036 R)
• M2: 389,702 km (0.107 R)
• M3: 1,094,308 km (0.092 R)
• M4: 1,757,775 km (0.088 R)
• M5: 3,039,530 km (0.12 R)
• M6: 8,245,386 km (0.069 R)
• M7: 9,592,066 km (0.039 R)
• M8: 11,588,300 km (0.119 R)
• M9: 12,960,112 km (0.087 R)
• M10: 16,820,186 km (0.116 R)
• M11: 23,345,795 km (0.104 R)
• M12: 24,655,075 km (0.117 R)
• M13: 28,245,275 km (0.09 R)
• M14: 36,813,942 km (0.066 R)
• M15: 42,843,933 km (0.032 R)
• M16: 45,803,128 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.8

Radius: 6.6

Gravity: 20.38 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 15.44 AU - 25.2 AU

Year: 32343 Days

Day: 20.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 114,295,971 km

• M1: 83,027 km (0.076 R)
• M2: 327,320 km (0.104 R)
• M3: 576,700 km (0.079 R)
• M4: 793,617 km (0.037 R)
• M5: 1,124,826 km (0.106 R)
• M6: 2,112,771 km (0.116 R)
• M7: 2,509,504 km (0.098 R)
• M8: 3,966,737 km (0.049 R)
• M9: 4,610,906 km (0.095 R)
• M10: 5,914,352 km (0.061 R)
• M11: 7,391,780 km (0.115 R)
• M12: 16,989,830 km (0.046 R)
• M13: 18,267,246 km (0.068 R)
• M14: 19,084,350 km (0.106 R)
• M15: 19,925,688 km (0.03 R)
• M16: 24,140,608 km (0.069 R)
• M17: 25,499,855 km (0.1 R)
• M18: 26,390,860 km (0.046 R)
• M19: 33,821,835 km (0.055 R)
• M20: 41,133,431 km (0.097 R)
• M21: 43,786,848 km (0.106 R)
• M22: 48,652,519 km (0.1 R)
• M23: 52,224,467 km (0.081 R)
• M24: 54,282,485 km (0.118 R)
• M25: 56,822,806 km (0.085 R)
• M26: 60,331,475 km (0.069 R)
• M27: 63,517,910 km (0.046 R)
• M28: 63,981,962 km (0.11 R)
• M29: 66,814,598 km (0.116 R)
• M30: 69,483,573 km (0.058 R)
• M31: 76,859,048 km (0.108 R)
• M32: 107,908,684 km (0.101 R)
• M33: 110,568,235 km (0.116 R)

Kuiper Belt

Range: 31.1 - 53.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 11,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit