🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.31 AU - 1.45 AU

Year: 570 Days

Day: 30.8 Hours

Environment

Temp: -5 °C

Axial Tilt: 1.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.64 AU - 2.42 AU

Year: 1017 Days

Day: 22.6 Hours

Environment

Temp: -46 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.45 AU - 5.63 AU

Year: 3400 Days

Day: 39.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,065,400 km

• M1: 2,416,006 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.59 AU - 5.73 AU

Year: 3536 Days

Day: 47.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,065,400 km

• M1: 190,887 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.6

Radius: 5.3

Gravity: 15.65 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 14.72 AU - 23.18 AU

Year: 28993 Days

Day: 15.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,065,400 km

• M1: 65,973 km (0.109 R)
• M2: 403,615 km (0.093 R)
• M3: 651,200 km (0.038 R)
• M4: 866,321 km (0.115 R)
• M5: 1,074,711 km (0.101 R)
• M6: 1,271,283 km (0.093 R)
• M7: 2,976,100 km (0.094 R)
• M8: 4,252,170 km (0.073 R)
• M9: 5,812,924 km (0.073 R)
• M10: 6,932,515 km (0.096 R)
• M11: 9,530,880 km (0.086 R)
• M12: 11,208,471 km (0.077 R)
• M13: 12,430,536 km (0.095 R)
• M14: 14,117,701 km (0.107 R)
• M15: 14,896,806 km (0.111 R)
• M16: 15,704,036 km (0.043 R)
• M17: 19,038,573 km (0.109 R)
• M18: 20,182,398 km (0.117 R)
• M19: 22,189,254 km (0.119 R)
• M20: 24,435,615 km (0.117 R)
• M21: 26,594,761 km (0.095 R)
• M22: 27,183,429 km (0.104 R)
• M23: 29,374,439 km (0.074 R)
• M24: 35,361,645 km (0.069 R)
• M25: 37,967,940 km (0.077 R)
• M26: 40,544,464 km (0.108 R)
• M27: 40,855,029 km (0.103 R)
• M28: 42,912,598 km (0.113 R)
• M29: 48,793,440 km (0.086 R)
• M30: 51,834,316 km (0.103 R)
• M31: 54,243,290 km (0.099 R)
• M32: 54,620,427 km (0.114 R)
• M33: 59,282,943 km (0.052 R)
• M34: 60,488,702 km (0.086 R)
• M35: 60,894,262 km (0.079 R)
• M36: 63,993,631 km (0.116 R)
• M37: 68,506,999 km (0.069 R)
• M38: 69,390,224 km (0.047 R)
• M39: 72,084,931 km (0.107 R)
• M40: 76,967,356 km (0.098 R)

Kuiper Belt

Range: 31.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 12,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit