🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.61 AU - 0.77 AU

Year: 218 Days

Day: 16.3 Hours

Environment

Temp: 160 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.19 AU - 1.47 AU

Year: 584 Days

Day: 20.8 Hours

Environment

Temp: -41 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.84 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.5

Radius: 9.9

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.42 AU - 5.28 AU

Year: 3455 Days

Day: 12.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 24,458,887 km

• M1: 159,172 km (0.112 R)
• M2: 325,076 km (0.055 R)
• M3: 463,005 km (0.094 R)
• M4: 554,709 km (0.086 R)
• M5: 653,294 km (0.116 R)
• M6: 1,010,982 km (0.12 R)
• M7: 1,494,632 km (0.077 R)
• M8: 1,695,243 km (0.101 R)
• M9: 1,768,995 km (0.08 R)
• M10: 1,859,053 km (0.112 R)
• M11: 1,950,756 km (0.04 R)
• M12: 2,059,514 km (0.096 R)
• M13: 2,299,768 km (0.092 R)
• M14: 2,398,503 km (0.099 R)
• M15: 2,465,074 km (0.051 R)
• M16: 2,532,243 km (0.109 R)
• M17: 2,668,676 km (0.096 R)
• M18: 2,755,144 km (0.054 R)
• M19: 2,913,119 km (0.101 R)
• M20: 3,110,439 km (0.079 R)
• M21: 3,349,347 km (0.116 R)
• M22: 3,518,392 km (0.114 R)
• M23: 3,613,537 km (0.119 R)
• M24: 3,709,429 km (0.077 R)
• M25: 4,425,554 km (0.117 R)
• M26: 4,947,800 km (0.105 R)
• M27: 5,011,678 km (0.065 R)
• M28: 5,489,494 km (0.115 R)
• M29: 6,395,459 km (0.104 R)
• M30: 6,582,157 km (0.111 R)
• M31: 6,652,767 km (0.094 R)
• M32: 6,985,024 km (0.106 R)
• M33: 7,298,581 km (0.112 R)
• M34: 7,395,969 km (0.047 R)
• M35: 7,790,010 km (0.102 R)
• M36: 8,572,706 km (0.099 R)
• M37: 9,512,929 km (0.109 R)
• M38: 9,619,442 km (0.107 R)
• M39: 9,779,961 km (0.114 R)
• M40: 9,941,377 km (0.084 R)
• M41: 10,076,613 km (0.087 R)
• M42: 10,157,995 km (0.071 R)
• M43: 10,294,129 km (0.102 R)
• M44: 10,844,798 km (0.083 R)
• M45: 11,518,288 km (0.07 R)
• M46: 11,974,861 km (0.102 R)
• M47: 12,061,029 km (0.081 R)
• M48: 12,147,497 km (0.083 R)
• M49: 12,876,188 km (0.085 R)
• M50: 13,053,162 km (0.12 R)
• M51: 13,171,644 km (0.12 R)
• M52: 13,649,011 km (0.049 R)
• M53: 13,769,287 km (0.094 R)
• M54: 14,284,203 km (0.108 R)
• M55: 14,375,607 km (0.114 R)
• M56: 15,270,502 km (0.12 R)
• M57: 15,332,884 km (0.114 R)
• M58: 15,395,266 km (0.113 R)
• M59: 15,520,480 km (0.075 R)
• M60: 15,614,577 km (0.088 R)
• M61: 15,929,630 km (0.087 R)
• M62: 16,088,054 km (0.084 R)
• M63: 16,342,371 km (0.079 R)
• M64: 16,438,113 km (0.12 R)
• M65: 16,694,374 km (0.086 R)
• M66: 17,536,311 km (0.045 R)
• M67: 18,028,488 km (0.115 R)
• M68: 19,093,176 km (0.088 R)
• M69: 19,227,814 km (0.025 R)
• M70: 19,396,411 km (0.113 R)
• M71: 20,109,993 km (0.06 R)
• M72: 20,384,056 km (0.032 R)
• M73: 21,283,439 km (0.042 R)
• M74: 22,727,956 km (0.116 R)
• M75: 22,941,881 km (0.071 R)
• M76: 23,408,028 km (0.066 R)
• M77: 23,479,984 km (0.097 R)
• M78: 23,840,964 km (0.095 R)
• M79: 24,022,127 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 12,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit