🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.85 AU - 1.09 AU

Year: 333 Days

Day: 27.5 Hours

Environment

Temp: 177 °C

Axial Tilt: 41.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.19 AU - 1.45 AU

Year: 528 Days

Day: 20.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 43.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 99,938,490 km

• M1: 40,990 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.27 AU - 2.89 AU

Year: 1443 Days

Day: 24.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.05 AU - 4.67 AU

Year: 2641 Days

Day: 19.1 Hours

Environment

Temp: -99 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.8 AU - 5 AU

Year: 3214 Days

Day: 17.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.89 AU - 6.41 AU

Year: 4070 Days

Day: 29.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 45.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,938,490 km

• M1: 169,195 km (0.079 R)

Asteroid Belt

Center: 11.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.8

Radius: 5.8

Gravity: 27.82 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 15.61 AU - 19.63 AU

Year: 25757 Days

Day: 17.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 99,938,490 km

• M1: 130,599 km (0.084 R)
• M2: 203,453 km (0.042 R)
• M3: 540,048 km (0.098 R)
• M4: 698,173 km (0.095 R)
• M5: 993,779 km (0.055 R)
• M6: 1,188,705 km (0.095 R)
• M7: 1,727,107 km (0.05 R)
• M8: 1,882,240 km (0.116 R)
• M9: 2,460,137 km (0.089 R)
• M10: 2,546,904 km (0.091 R)
• M11: 2,634,867 km (0.102 R)
• M12: 2,813,637 km (0.084 R)
• M13: 3,567,460 km (0.092 R)
• M14: 3,765,378 km (0.099 R)
• M15: 4,645,463 km (0.078 R)
• M16: 7,762,334 km (0.087 R)
• M17: 8,737,862 km (0.101 R)
• M18: 10,097,557 km (0.066 R)
• M19: 10,307,144 km (0.116 R)
• M20: 10,659,596 km (0.028 R)
• M21: 10,872,923 km (0.09 R)
• M22: 11,304,064 km (0.109 R)
• M23: 11,740,590 km (0.085 R)
• M24: 12,630,399 km (0.103 R)
• M25: 13,464,856 km (0.119 R)
• M26: 13,927,562 km (0.119 R)
• M27: 14,160,934 km (0.093 R)
• M28: 16,317,986 km (0.104 R)
• M29: 16,399,816 km (0.103 R)
• M30: 16,481,796 km (0.041 R)
• M31: 17,059,543 km (0.107 R)
• M32: 20,928,293 km (0.074 R)
• M33: 21,374,245 km (0.037 R)
• M34: 23,097,163 km (0.07 R)
• M35: 23,281,169 km (0.09 R)
• M36: 23,650,526 km (0.114 R)
• M37: 26,867,478 km (0.065 R)
• M38: 29,120,123 km (0.091 R)
• M39: 29,717,617 km (0.111 R)
• M40: 31,636,359 km (0.047 R)
• M41: 32,353,382 km (0.101 R)
• M42: 32,972,268 km (0.081 R)
• M43: 33,594,895 km (0.112 R)
• M44: 34,851,966 km (0.088 R)
• M45: 35,168,515 km (0.098 R)
• M46: 35,911,118 km (0.08 R)
• M47: 36,124,295 km (0.07 R)
• M48: 36,230,959 km (0.12 R)
• M49: 36,980,893 km (0.029 R)
• M50: 38,061,139 km (0.07 R)
• M51: 38,605,077 km (0.089 R)
• M52: 42,259,454 km (0.114 R)
• M53: 43,388,469 km (0.115 R)
• M54: 44,412,915 km (0.09 R)
• M55: 44,756,242 km (0.113 R)
• M56: 47,768,096 km (0.094 R)
• M57: 48,119,801 km (0.095 R)
• M58: 51,443,566 km (0.12 R)
• M59: 53,862,713 km (0.079 R)
• M60: 54,351,001 km (0.084 R)
• M61: 56,194,944 km (0.112 R)
• M62: 56,442,379 km (0.102 R)
• M63: 57,311,243 km (0.069 R)
• M64: 58,184,446 km (0.073 R)
• M65: 59,313,611 km (0.062 R)
• M66: 60,957,392 km (0.116 R)
• M67: 61,593,632 km (0.066 R)
• M68: 62,616,134 km (0.12 R)
• M69: 63,258,058 km (0.061 R)
• M70: 64,548,489 km (0.082 R)
• M71: 66,369,544 km (0.111 R)
• M72: 66,761,939 km (0.085 R)
• M73: 67,549,123 km (0.101 R)
• M74: 67,943,763 km (0.102 R)
• M75: 68,075,558 km (0.079 R)
• M76: 69,530,398 km (0.098 R)
• M77: 70,061,919 km (0.054 R)
• M78: 70,461,495 km (0.11 R)
• M79: 70,995,409 km (0.103 R)
• M80: 71,664,710 km (0.106 R)
• M81: 72,470,594 km (0.076 R)
• M82: 75,860,781 km (0.049 R)
• M83: 76,134,246 km (0.056 R)
• M84: 76,956,585 km (0.093 R)
• M85: 77,231,247 km (0.054 R)
• M86: 78,471,713 km (0.108 R)
• M87: 83,498,800 km (0.088 R)
• M88: 83,639,870 km (0.084 R)
• M89: 83,781,091 km (0.115 R)
• M90: 85,623,837 km (0.07 R)
• M91: 86,336,222 km (0.105 R)
• M92: 87,623,362 km (0.073 R)
• M93: 88,485,046 km (0.094 R)
• M94: 90,216,642 km (0.108 R)
• M95: 92,542,888 km (0.105 R)
• M96: 97,699,976 km (0.104 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 18,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit