🌌 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: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.41 AU - 0.63 AU

Year: 142 Days

Day: 32.5 Hours

Environment

Temp: 194 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,870,924 km

• M1: 39,943 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.08 AU - 1.8 AU

Year: 654 Days

Day: 33.8 Hours

Environment

Temp: -47 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.39 AU - 2.25 AU

Year: 930 Days

Day: 43.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.72 AU - 2.8 AU

Year: 1287 Days

Day: 35.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.16 AU - 2.54 AU

Year: 1364 Days

Day: 44.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.52 AU - 3.74 AU

Year: 2097 Days

Day: 32.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 16.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.5

Radius: 5.9

Gravity: 25.58 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 14.71 AU - 17.45 AU

Year: 24422 Days

Day: 20.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 94,870,924 km

• M1: 117,434 km (0.114 R)
• M2: 168,148 km (0.034 R)
• M3: 213,925 km (0.034 R)
• M4: 517,459 km (0.086 R)
• M5: 590,762 km (0.109 R)
• M6: 667,655 km (0.078 R)
• M7: 1,197,531 km (0.084 R)
• M8: 2,340,159 km (0.11 R)
• M9: 2,506,064 km (0.099 R)
• M10: 3,071,095 km (0.102 R)
• M11: 3,722,145 km (0.069 R)
• M12: 4,162,710 km (0.044 R)
• M13: 4,723,403 km (0.103 R)
• M14: 4,880,481 km (0.04 R)
• M15: 7,013,298 km (0.047 R)
• M16: 7,433,817 km (0.077 R)
• M17: 7,739,147 km (0.084 R)
• M18: 8,173,579 km (0.093 R)
• M19: 9,001,304 km (0.113 R)
• M20: 10,529,895 km (0.093 R)
• M21: 11,080,265 km (0.12 R)
• M22: 11,498,990 km (0.069 R)
• M23: 11,569,301 km (0.064 R)
• M24: 11,710,372 km (0.109 R)
• M25: 12,713,725 km (0.11 R)
• M26: 13,225,649 km (0.026 R)
• M27: 13,521,104 km (0.08 R)
• M28: 14,269,542 km (0.095 R)
• M29: 14,572,628 km (0.079 R)
• M30: 15,494,749 km (0.115 R)
• M31: 16,753,166 km (0.102 R)
• M32: 18,784,406 km (0.12 R)
• M33: 19,033,337 km (0.102 R)
• M34: 20,294,298 km (0.11 R)
• M35: 21,842,636 km (0.114 R)
• M36: 23,073,078 km (0.07 R)
• M37: 25,876,392 km (0.106 R)
• M38: 28,404,148 km (0.07 R)
• M39: 28,880,767 km (0.091 R)
• M40: 30,813,870 km (0.101 R)
• M41: 30,911,558 km (0.092 R)
• M42: 32,489,516 km (0.082 R)
• M43: 34,194,483 km (0.104 R)
• M44: 36,031,246 km (0.115 R)
• M45: 36,237,242 km (0.045 R)
• M46: 39,163,077 km (0.109 R)
• M47: 39,480,972 km (0.087 R)
• M48: 41,514,456 km (0.076 R)
• M49: 41,838,635 km (0.118 R)
• M50: 42,163,561 km (0.043 R)
• M51: 42,272,170 km (0.106 R)
• M52: 42,598,293 km (0.079 R)
• M53: 42,816,257 km (0.056 R)
• M54: 42,925,314 km (0.077 R)
• M55: 43,472,094 km (0.106 R)
• M56: 43,581,749 km (0.095 R)
• M57: 46,240,552 km (0.05 R)
• M58: 47,815,668 km (0.087 R)
• M59: 48,837,422 km (0.12 R)
• M60: 51,365,326 km (0.08 R)
• M61: 52,062,153 km (0.063 R)
• M62: 58,230,522 km (0.12 R)
• M63: 58,351,397 km (0.11 R)
• M64: 58,593,297 km (0.102 R)
• M65: 59,564,636 km (0.112 R)
• M66: 59,930,253 km (0.098 R)
• M67: 60,418,840 km (0.113 R)
• M68: 62,139,365 km (0.026 R)
• M69: 63,751,432 km (0.077 R)
• M70: 64,875,510 km (0.111 R)
• M71: 66,132,282 km (0.088 R)
• M72: 68,797,218 km (0.104 R)
• M73: 69,180,787 km (0.072 R)
• M74: 72,404,771 km (0.057 R)
• M75: 72,534,772 km (0.1 R)
• M76: 72,794,922 km (0.116 R)
• M77: 74,100,463 km (0.09 R)
• M78: 75,018,994 km (0.105 R)
• M79: 75,809,319 km (0.116 R)
• M80: 75,941,265 km (0.118 R)
• M81: 79,667,748 km (0.079 R)
• M82: 79,936,126 km (0.04 R)
• M83: 81,823,752 km (0.086 R)
• M84: 82,501,431 km (0.09 R)
• M85: 83,862,322 km (0.102 R)
• M86: 85,093,513 km (0.071 R)
• M87: 85,367,875 km (0.066 R)
• M88: 86,882,404 km (0.114 R)
• M89: 87,020,483 km (0.119 R)
• M90: 88,544,586 km (0.119 R)
• M91: 88,683,563 km (0.089 R)
• M92: 88,822,689 km (0.115 R)
• M93: 89,519,067 km (0.076 R)
• M94: 91,619,271 km (0.091 R)
• M95: 92,604,972 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 13,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit