🌌 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: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.41 AU - 0.63 AU

Year: 141 Days

Day: 18.1 Hours

Environment

Temp: 189 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 25,572,783 km

• M1: 48,470 km (0.041 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.42 AU - 0.7 AU

Year: 158 Days

Day: 46.6 Hours

Environment

Temp: 161 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 25,572,783 km

• M1: 75,547 km (0.033 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.62 AU - 0.62 AU

Year: 184 Days

Day: 23.1 Hours

Environment

Temp: 141 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.83 AU - 1.33 AU

Year: 423 Days

Day: 16.3 Hours

Environment

Temp: 16 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.28 AU - 1.54 AU

Year: 631 Days

Day: 23.1 Hours

Environment

Temp: -38 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,572,783 km

• M1: 144,362 km (0.106 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.3 AU - 1.54 AU

Year: 637 Days

Day: 21 Hours

Environment

Temp: -39 °C

Axial Tilt: 81.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.91 AU - 2.89 AU

Year: 1401 Days

Day: 17.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.15 AU - 4.55 AU

Year: 2846 Days

Day: 33.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.9

Radius: 12.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.19 AU - 9.05 AU

Year: 8717 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 25,572,783 km

• M1: 209,287 km (0.066 R)
• M2: 379,679 km (0.105 R)
• M3: 463,155 km (0.066 R)
• M4: 771,775 km (0.078 R)
• M5: 1,118,543 km (0.067 R)
• M6: 1,303,446 km (0.088 R)
• M7: 1,470,248 km (0.063 R)
• M8: 1,614,909 km (0.069 R)
• M9: 1,764,656 km (0.12 R)
• M10: 2,078,064 km (0.068 R)
• M11: 2,208,513 km (0.044 R)
• M12: 2,325,050 km (0.117 R)
• M13: 2,477,939 km (0.12 R)
• M14: 2,616,766 km (0.086 R)
• M15: 2,847,895 km (0.079 R)
• M16: 3,235,652 km (0.049 R)
• M17: 3,581,523 km (0.116 R)
• M18: 3,878,923 km (0.089 R)
• M19: 4,392,642 km (0.109 R)
• M20: 4,819,295 km (0.063 R)
• M21: 4,949,894 km (0.116 R)
• M22: 5,125,971 km (0.119 R)
• M23: 5,529,586 km (0.049 R)
• M24: 5,735,433 km (0.053 R)
• M25: 5,873,960 km (0.112 R)
• M26: 6,415,654 km (0.092 R)
• M27: 7,171,124 km (0.11 R)
• M28: 7,320,572 km (0.107 R)
• M29: 7,546,764 km (0.056 R)
• M30: 7,851,943 km (0.076 R)
• M31: 7,928,986 km (0.067 R)
• M32: 8,712,281 km (0.025 R)
• M33: 8,818,645 km (0.088 R)
• M34: 8,925,458 km (0.066 R)
• M35: 9,221,213 km (0.059 R)
• M36: 9,629,914 km (0.045 R)
• M37: 10,044,450 km (0.083 R)
• M38: 10,324,198 km (0.043 R)
• M39: 10,891,323 km (0.038 R)
• M40: 11,265,318 km (0.054 R)
• M41: 12,955,026 km (0.109 R)
• M42: 13,566,433 km (0.09 R)
• M43: 13,751,784 km (0.085 R)
• M44: 13,937,884 km (0.109 R)
• M45: 14,218,679 km (0.102 R)
• M46: 14,312,776 km (0.091 R)
• M47: 14,817,669 km (0.038 R)
• M48: 15,296,382 km (0.063 R)
• M49: 15,457,050 km (0.1 R)
• M50: 15,747,719 km (0.032 R)
• M51: 15,844,958 km (0.041 R)
• M52: 16,696,618 km (0.092 R)
• M53: 17,361,880 km (0.096 R)
• M54: 17,596,749 km (0.109 R)
• M55: 18,001,860 km (0.025 R)
• M56: 18,444,370 km (0.118 R)
• M57: 18,924,729 km (0.119 R)
• M58: 19,097,365 km (0.078 R)
• M59: 20,108,647 km (0.112 R)
• M60: 20,249,568 km (0.099 R)
• M61: 21,532,070 km (0.047 R)
• M62: 22,474,687 km (0.12 R)
• M63: 22,840,752 km (0.084 R)
• M64: 23,098,210 km (0.059 R)
• M65: 25,116,585 km (0.108 R)
• M66: 25,382,420 km (0.068 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 17,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit