🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.42 AU - 0.64 AU

Year: 138 Days

Day: 19.6 Hours

Environment

Temp: 183 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.83 AU - 0.87 AU

Year: 279 Days

Day: 30.4 Hours

Environment

Temp: 185 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.02 AU - 1.5 AU

Year: 504 Days

Day: 18.7 Hours

Environment

Temp: 19 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.87 AU - 2.21 AU

Year: 1039 Days

Day: 19.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,435,683 km

• M1: 1,539,661 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.75 AU - 2.79 AU

Year: 1219 Days

Day: 18.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.86 AU - 3 AU

Year: 1350 Days

Day: 28.8 Hours

Environment

Temp: -71 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.6

Radius: 7

Gravity: 13.79 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 13.02 AU - 14.24 AU

Year: 17937 Days

Day: 22.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 70,435,683 km

• M1: 98,585 km (0.063 R)
• M2: 147,055 km (0.087 R)
• M3: 216,319 km (0.11 R)
• M4: 826,827 km (0.071 R)
• M5: 873,502 km (0.073 R)
• M6: 1,019,360 km (0.099 R)
• M7: 1,120,937 km (0.098 R)
• M8: 1,279,810 km (0.118 R)
• M9: 2,114,416 km (0.072 R)
• M10: 2,378,756 km (0.11 R)
• M11: 2,759,333 km (0.11 R)
• M12: 4,173,930 km (0.088 R)
• M13: 4,674,036 km (0.054 R)
• M14: 4,802,092 km (0.103 R)
• M15: 5,149,159 km (0.053 R)
• M16: 5,414,695 km (0.096 R)
• M17: 6,191,407 km (0.101 R)
• M18: 6,616,714 km (0.116 R)
• M19: 6,808,648 km (0.029 R)
• M20: 6,905,438 km (0.05 R)
• M21: 7,149,133 km (0.043 R)
• M22: 8,827,920 km (0.072 R)
• M23: 9,145,815 km (0.114 R)
• M24: 9,792,677 km (0.062 R)
• M25: 10,846,893 km (0.056 R)
• M26: 10,959,989 km (0.046 R)
• M27: 11,187,228 km (0.104 R)
• M28: 11,762,282 km (0.091 R)
• M29: 12,288,119 km (0.081 R)
• M30: 12,524,184 km (0.08 R)
• M31: 14,218,829 km (0.083 R)
• M32: 16,371,243 km (0.112 R)
• M33: 16,696,319 km (0.054 R)
• M34: 16,761,544 km (0.118 R)
• M35: 18,758,675 km (0.098 R)
• M36: 19,098,711 km (0.069 R)
• M37: 19,166,928 km (0.07 R)
• M38: 19,372,326 km (0.087 R)
• M39: 19,440,842 km (0.068 R)
• M40: 19,509,507 km (0.12 R)
• M41: 20,970,181 km (0.074 R)
• M42: 21,749,286 km (0.08 R)
• M43: 23,408,626 km (0.1 R)
• M44: 24,069,101 km (0.099 R)
• M45: 24,661,209 km (0.107 R)
• M46: 24,809,909 km (0.114 R)
• M47: 25,483,249 km (0.12 R)
• M48: 25,708,992 km (0.094 R)
• M49: 27,461,532 km (0.055 R)
• M50: 28,469,223 km (0.08 R)
• M51: 28,781,583 km (0.081 R)
• M52: 29,173,829 km (0.108 R)
• M53: 29,331,206 km (0.072 R)
• M54: 29,725,845 km (0.093 R)
• M55: 31,644,587 km (0.077 R)
• M56: 32,049,249 km (0.111 R)
• M57: 32,618,769 km (0.119 R)
• M58: 32,863,959 km (0.109 R)
• M59: 32,945,789 km (0.093 R)
• M60: 35,013,681 km (0.118 R)
• M61: 36,021,222 km (0.105 R)
• M62: 36,953,068 km (0.077 R)
• M63: 37,806,972 km (0.099 R)
• M64: 38,494,973 km (0.049 R)
• M65: 39,187,013 km (0.106 R)
• M66: 39,883,092 km (0.112 R)
• M67: 41,023,027 km (0.103 R)
• M68: 41,287,516 km (0.079 R)
• M69: 42,262,595 km (0.069 R)
• M70: 42,351,606 km (0.107 R)
• M71: 42,529,777 km (0.106 R)
• M72: 46,696,676 km (0.103 R)
• M73: 47,065,136 km (0.085 R)
• M74: 47,712,296 km (0.049 R)
• M75: 49,296,089 km (0.066 R)
• M76: 52,132,913 km (0.113 R)
• M77: 54,246,581 km (0.107 R)
• M78: 58,755,761 km (0.115 R)
• M79: 58,954,426 km (0.065 R)
• M80: 59,352,656 km (0.068 R)
• M81: 60,251,889 km (0.074 R)
• M82: 61,155,610 km (0.07 R)
• M83: 61,457,797 km (0.096 R)
• M84: 61,659,605 km (0.089 R)
• M85: 63,383,571 km (0.096 R)
• M86: 63,893,550 km (0.053 R)
• M87: 64,405,025 km (0.116 R)
• M88: 64,507,350 km (0.05 R)
• M89: 65,431,865 km (0.086 R)
• M90: 65,534,788 km (0.075 R)
• M91: 65,740,934 km (0.069 R)
• M92: 66,050,601 km (0.117 R)
• M93: 67,501,850 km (0.088 R)
• M94: 69,068,290 km (0.095 R)
• M95: 69,278,176 km (0.12 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 14,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit