🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.5 AU - 0.8 AU

Year: 201 Days

Day: 35 Hours

Environment

Temp: 117 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.66 AU - 0.8 AU

Year: 239 Days

Day: 26.7 Hours

Environment

Temp: 139 °C

Axial Tilt: 23.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.86 AU - 0.92 AU

Year: 321 Days

Day: 17.5 Hours

Environment

Temp: 36 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.23 AU - 1.31 AU

Year: 548 Days

Day: 13.4 Hours

Environment

Temp: -26 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.46 AU - 2.28 AU

Year: 979 Days

Day: 30.4 Hours

Environment

Temp: -78 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.11 AU - 2.91 AU

Year: 1523 Days

Day: 26.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,271,700 km

• M1: 51,013 km (0.12 R)
• M2: 1,574,218 km (0.093 R)

Asteroid Belt

Center: 4.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.6

Radius: 14.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.95 AU - 6.49 AU

Year: 5238 Days

Day: 8.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 29,271,700 km

• M1: 229,782 km (0.072 R)
• M2: 348,114 km (0.089 R)
• M3: 577,448 km (0.069 R)
• M4: 686,056 km (0.034 R)
• M5: 864,676 km (0.115 R)
• M6: 1,143,227 km (0.106 R)
• M7: 1,271,881 km (0.072 R)
• M8: 1,498,223 km (0.115 R)
• M9: 1,608,476 km (0.083 R)
• M10: 1,705,416 km (0.05 R)
• M11: 2,220,631 km (0.068 R)
• M12: 2,590,736 km (0.105 R)
• M13: 2,783,418 km (0.07 R)
• M14: 3,061,371 km (0.119 R)
• M15: 3,162,948 km (0.119 R)
• M16: 3,286,216 km (0.113 R)
• M17: 3,623,260 km (0.112 R)
• M18: 4,331,008 km (0.118 R)
• M19: 4,468,488 km (0.058 R)
• M20: 4,701,113 km (0.1 R)
• M21: 4,890,055 km (0.11 R)
• M22: 5,178,330 km (0.066 R)
• M23: 5,373,556 km (0.116 R)
• M24: 5,671,106 km (0.082 R)
• M25: 7,403,299 km (0.104 R)
• M26: 7,706,983 km (0.117 R)
• M27: 8,043,130 km (0.083 R)
• M28: 8,241,496 km (0.072 R)
• M29: 9,227,795 km (0.056 R)
• M30: 9,825,439 km (0.096 R)
• M31: 10,220,676 km (0.029 R)
• M32: 10,497,283 km (0.097 R)
• M33: 12,111,892 km (0.073 R)
• M34: 12,733,172 km (0.085 R)
• M35: 13,064,382 km (0.074 R)
• M36: 13,431,944 km (0.086 R)
• M37: 13,667,710 km (0.119 R)
• M38: 13,836,905 km (0.089 R)
• M39: 13,938,782 km (0.081 R)
• M40: 15,145,588 km (0.116 R)
• M41: 15,320,767 km (0.118 R)
• M42: 16,063,819 km (0.09 R)
• M43: 16,385,754 km (0.053 R)
• M44: 17,072,707 km (0.029 R)
• M45: 17,401,374 km (0.099 R)
• M46: 17,584,931 km (0.089 R)
• M47: 17,732,284 km (0.107 R)
• M48: 18,962,876 km (0.094 R)
• M49: 19,417,355 km (0.12 R)
• M50: 19,569,496 km (0.074 R)
• M51: 20,028,761 km (0.114 R)
• M52: 20,182,548 km (0.117 R)
• M53: 20,491,468 km (0.064 R)
• M54: 21,192,184 km (0.117 R)
• M55: 21,348,963 km (0.117 R)
• M56: 21,545,534 km (0.05 R)
• M57: 22,138,839 km (0.029 R)
• M58: 22,537,218 km (0.055 R)
• M59: 23,018,624 km (0.094 R)
• M60: 23,139,499 km (0.116 R)
• M61: 23,422,389 km (0.116 R)
• M62: 23,625,094 km (0.074 R)
• M63: 25,392,593 km (0.09 R)
• M64: 25,684,458 km (0.054 R)
• M65: 25,977,371 km (0.108 R)
• M66: 26,313,368 km (0.113 R)
• M67: 26,566,487 km (0.091 R)
• M68: 27,757,885 km (0.057 R)
• M69: 27,886,539 km (0.097 R)
• M70: 28,015,492 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 12,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit