🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.73 AU - 0.73 AU

Year: 218 Days

Day: 41 Hours

Environment

Temp: 173 °C

Axial Tilt: 13.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.04 AU - 1.68 AU

Year: 555 Days

Day: 46.3 Hours

Environment

Temp: -6 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.88 AU - 2.62 AU

Year: 1181 Days

Day: 17.4 Hours

Environment

Temp: -70 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.83 AU - 2.77 AU

Year: 1220 Days

Day: 12.6 Hours

Environment

Temp: -60 °C

Axial Tilt: 88.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,833,521 km

• M1: 52,808 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.42 AU - 3.84 AU

Year: 1937 Days

Day: 14.7 Hours

Environment

Temp: -88 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.2

Radius: 8.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.76 AU - 10.28 AU

Year: 9477 Days

Day: 6.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 96,833,521 km

• M1: 144,661 km (0.075 R)
• M2: 675,584 km (0.09 R)
• M3: 1,003,802 km (0.086 R)
• M4: 1,675,795 km (0.088 R)
• M5: 2,213,450 km (0.106 R)
• M6: 3,037,435 km (0.052 R)
• M7: 4,664,761 km (0.047 R)
• M8: 5,134,648 km (0.034 R)
• M9: 5,696,986 km (0.11 R)
• M10: 6,137,103 km (0.093 R)
• M11: 6,633,618 km (0.11 R)
• M12: 9,017,012 km (0.091 R)
• M13: 10,891,473 km (0.079 R)
• M14: 11,373,328 km (0.113 R)
• M15: 12,640,721 km (0.104 R)
• M16: 14,512,041 km (0.109 R)
• M17: 16,000,839 km (0.055 R)
• M18: 16,498,102 km (0.081 R)
• M19: 19,279,276 km (0.107 R)
• M20: 21,522,496 km (0.052 R)
• M21: 26,780,263 km (0.111 R)
• M22: 31,171,409 km (0.076 R)
• M23: 32,537,238 km (0.069 R)
• M24: 33,840,834 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.3

Radius: 14.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.59 AU - 10.49 AU

Year: 10309 Days

Day: 6.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 96,833,521 km

• M1: 182,809 km (0.108 R)
• M2: 864,376 km (0.106 R)
• M3: 1,464,414 km (0.092 R)
• M4: 2,162,288 km (0.109 R)
• M5: 2,630,379 km (0.097 R)
• M6: 3,353,984 km (0.103 R)
• M7: 4,701,711 km (0.11 R)
• M8: 5,878,299 km (0.088 R)
• M9: 7,365,601 km (0.098 R)
• M10: 8,353,545 km (0.107 R)
• M11: 8,950,141 km (0.115 R)
• M12: 10,912,417 km (0.071 R)
• M13: 13,641,381 km (0.091 R)
• M14: 16,440,806 km (0.08 R)
• M15: 18,050,778 km (0.1 R)
• M16: 20,577,337 km (0.074 R)
• M17: 21,328,468 km (0.111 R)
• M18: 21,839,344 km (0.106 R)
• M19: 25,456,920 km (0.118 R)
• M20: 33,170,785 km (0.086 R)
• M21: 33,742,099 km (0.066 R)
• M22: 35,495,685 km (0.098 R)
• M23: 37,309,410 km (0.117 R)
• M24: 38,176,629 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.5

Radius: 5.6

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 15.94 AU - 23.14 AU

Year: 30218 Days

Day: 18 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 96,833,521 km

• M1: 69,713 km (0.093 R)
• M2: 458,667 km (0.108 R)
• M3: 1,770,341 km (0.08 R)
• M4: 4,584,277 km (0.085 R)
• M5: 4,852,805 km (0.051 R)
• M6: 5,379,240 km (0.085 R)
• M7: 5,634,753 km (0.076 R)
• M8: 12,905,509 km (0.115 R)
• M9: 16,256,651 km (0.048 R)
• M10: 16,972,028 km (0.034 R)
• M11: 18,657,996 km (0.104 R)
• M12: 21,180,366 km (0.058 R)
• M13: 22,033,223 km (0.073 R)
• M14: 34,556,360 km (0.104 R)
• M15: 39,280,661 km (0.094 R)
• M16: 46,699,219 km (0.058 R)
• M17: 48,506,362 km (0.109 R)
• M18: 56,606,488 km (0.119 R)
• M19: 65,116,363 km (0.064 R)
• M20: 66,011,556 km (0.083 R)
• M21: 66,914,828 km (0.112 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 17,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit