🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.49 AU - 0.55 AU

Year: 132 Days

Day: 19.8 Hours

Environment

Temp: 273 °C

Axial Tilt: 13.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.55 AU - 0.65 AU

Year: 164 Days

Day: 14.7 Hours

Environment

Temp: 202 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.57 AU - 0.71 AU

Year: 181 Days

Day: 19.3 Hours

Environment

Temp: 180 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.65 AU - 1.05 AU

Year: 277 Days

Day: 15.3 Hours

Environment

Temp: 142 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,095,313 km

• M1: 498,909 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.84 AU - 1.32 AU

Year: 396 Days

Day: 37.3 Hours

Environment

Temp: 42 °C

Axial Tilt: 136.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.56 AU - 2.02 AU

Year: 846 Days

Day: 12 Hours

Environment

Temp: -34 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.01 AU - 2.23 AU

Year: 1090 Days

Day: 14.4 Hours

Environment

Temp: -63 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,095,313 km

• M1: 309,219 km (0.032 R)

Planet 8 - Terrestrial

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.1 AU - 6.1 AU

Year: 4067 Days

Day: 47.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 77.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 17.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.8

Radius: 6.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 14.99 AU - 19.63 AU

Year: 25430 Days

Day: 22.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 32,095,313 km

• M1: 135,087 km (0.105 R)
• M2: 713,432 km (0.086 R)
• M3: 1,446,312 km (0.043 R)
• M4: 1,496,876 km (0.068 R)
• M5: 1,617,303 km (0.074 R)
• M6: 1,868,029 km (0.038 R)
• M7: 2,035,578 km (0.095 R)
• M8: 2,567,698 km (0.072 R)
• M9: 2,838,769 km (0.096 R)
• M10: 2,902,647 km (0.084 R)
• M11: 3,031,750 km (0.04 R)
• M12: 3,075,283 km (0.082 R)
• M13: 3,184,939 km (0.101 R)
• M14: 3,964,344 km (0.089 R)
• M15: 4,011,916 km (0.058 R)
• M16: 4,252,918 km (0.042 R)
• M17: 4,573,357 km (0.025 R)
• M18: 4,876,143 km (0.119 R)
• M19: 4,927,155 km (0.115 R)
• M20: 5,554,270 km (0.043 R)
• M21: 5,931,556 km (0.101 R)
• M22: 5,986,159 km (0.097 R)
• M23: 6,654,113 km (0.09 R)
• M24: 6,824,804 km (0.083 R)
• M25: 6,939,396 km (0.076 R)
• M26: 7,025,714 km (0.105 R)
• M27: 7,879,021 km (0.091 R)
• M28: 7,939,159 km (0.082 R)
• M29: 8,029,516 km (0.11 R)
• M30: 9,014,618 km (0.093 R)
• M31: 9,361,984 km (0.09 R)
• M32: 9,425,563 km (0.073 R)
• M33: 9,681,525 km (0.099 R)
• M34: 10,331,528 km (0.032 R)
• M35: 10,861,553 km (0.083 R)
• M36: 11,231,060 km (0.109 R)
• M37: 11,844,711 km (0.096 R)
• M38: 12,469,282 km (0.106 R)
• M39: 12,714,921 km (0.104 R)
• M40: 13,354,303 km (0.052 R)
• M41: 14,997,635 km (0.096 R)
• M42: 15,409,029 km (0.11 R)
• M43: 16,665,352 km (0.093 R)
• M44: 16,819,737 km (0.082 R)
• M45: 17,013,616 km (0.063 R)
• M46: 17,403,468 km (0.104 R)
• M47: 17,520,903 km (0.109 R)
• M48: 19,518,184 km (0.11 R)
• M49: 20,502,089 km (0.094 R)
• M50: 20,833,747 km (0.115 R)
• M51: 20,875,336 km (0.036 R)
• M52: 21,418,226 km (0.108 R)
• M53: 24,596,284 km (0.117 R)
• M54: 24,640,265 km (0.108 R)
• M55: 24,992,718 km (0.088 R)
• M56: 25,346,966 km (0.07 R)
• M57: 26,870,620 km (0.041 R)
• M58: 27,734,996 km (0.11 R)
• M59: 28,700,950 km (0.053 R)
• M60: 28,747,176 km (0.052 R)
• M61: 30,288,034 km (0.11 R)
• M62: 30,949,705 km (0.101 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 12,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit