🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.46 AU - 0.66 AU

Year: 147 Days

Day: 27.5 Hours

Environment

Temp: 226 °C

Axial Tilt: 0 °

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: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.81 AU - 0.89 AU

Year: 274 Days

Day: 15.9 Hours

Environment

Temp: 125 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,721,327 km

• M1: 255,513 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.03 AU

Year: 284 Days

Day: 14.9 Hours

Environment

Temp: 184 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,721,327 km

• M1: 83,027 km (0.053 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.37 AU - 1.41 AU

Year: 573 Days

Day: 15.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 67,721,327 km

• M1: 135,685 km (0.085 R)
• M2: 982,110 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.42 AU - 1.8 AU

Year: 715 Days

Day: 28.2 Hours

Environment

Temp: -29 °C

Axial Tilt: 70.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,721,327 km

• M1: 183,108 km (0.073 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.13 AU - 2.35 AU

Year: 1173 Days

Day: 14.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,721,327 km

• M1: 171,738 km (0.11 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.87 AU - 3.35 AU

Year: 1919 Days

Day: 20.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.9 AU - 4.5 AU

Year: 2490 Days

Day: 19.7 Hours

Environment

Temp: -97 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,721,327 km

• M1: 172,187 km (0.114 R)

Planet 9 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3 AU - 4.86 AU

Year: 2726 Days

Day: 15.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,721,327 km

• M1: 58,044 km (0.094 R)

Asteroid Belt

Center: 7.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.6

Radius: 14.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 9.03 AU - 15.03 AU

Year: 14597 Days

Day: 12.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 67,721,327 km

• M1: 260,749 km (0.063 R)
• M2: 569,369 km (0.105 R)
• M3: 870,959 km (0.073 R)
• M4: 1,126,173 km (0.045 R)
• M5: 1,250,788 km (0.118 R)
• M6: 1,976,038 km (0.116 R)
• M7: 2,480,781 km (0.082 R)
• M8: 2,579,965 km (0.109 R)
• M9: 3,348,449 km (0.074 R)
• M10: 4,750,630 km (0.103 R)
• M11: 5,776,273 km (0.096 R)
• M12: 5,909,265 km (0.065 R)
• M13: 6,636,012 km (0.101 R)
• M14: 8,223,096 km (0.1 R)
• M15: 8,726,642 km (0.112 R)
• M16: 9,033,617 km (0.108 R)
• M17: 9,188,451 km (0.117 R)
• M18: 9,344,182 km (0.113 R)
• M19: 9,658,188 km (0.059 R)
• M20: 10,243,116 km (0.096 R)
• M21: 11,004,270 km (0.102 R)
• M22: 11,225,076 km (0.066 R)
• M23: 12,066,415 km (0.112 R)
• M24: 13,750,139 km (0.115 R)
• M25: 13,988,149 km (0.092 R)
• M26: 14,953,803 km (0.107 R)
• M27: 15,692,368 km (0.071 R)
• M28: 16,568,862 km (0.06 R)
• M29: 17,913,597 km (0.105 R)
• M30: 18,238,972 km (0.109 R)
• M31: 18,895,408 km (0.111 R)
• M32: 19,226,618 km (0.095 R)
• M33: 19,426,331 km (0.111 R)
• M34: 20,367,002 km (0.115 R)
• M35: 20,570,605 km (0.113 R)
• M36: 22,223,212 km (0.114 R)
• M37: 23,065,448 km (0.069 R)
• M38: 24,708,931 km (0.093 R)
• M39: 24,998,552 km (0.07 R)
• M40: 25,143,812 km (0.1 R)
• M41: 25,508,232 km (0.105 R)
• M42: 26,021,353 km (0.075 R)
• M43: 26,834,567 km (0.084 R)
• M44: 28,865,807 km (0.118 R)
• M45: 29,938,423 km (0.049 R)
• M46: 30,479,669 km (0.087 R)
• M47: 30,634,951 km (0.086 R)
• M48: 30,790,383 km (0.102 R)
• M49: 33,955,276 km (0.09 R)
• M50: 34,681,574 km (0.083 R)
• M51: 36,067,299 km (0.096 R)
• M52: 36,808,406 km (0.063 R)
• M53: 37,222,194 km (0.114 R)
• M54: 38,221,658 km (0.097 R)
• M55: 38,808,829 km (0.094 R)
• M56: 40,758,987 km (0.119 R)
• M57: 41,015,697 km (0.091 R)
• M58: 42,567,326 km (0.104 R)
• M59: 43,612,417 km (0.029 R)
• M60: 44,754,148 km (0.065 R)
• M61: 44,930,673 km (0.045 R)
• M62: 45,195,910 km (0.057 R)
• M63: 45,372,885 km (0.118 R)
• M64: 47,516,173 km (0.11 R)
• M65: 48,418,847 km (0.093 R)
• M66: 48,600,010 km (0.12 R)
• M67: 48,781,472 km (0.071 R)
• M68: 49,145,144 km (0.059 R)
• M69: 50,700,364 km (0.115 R)
• M70: 51,253,128 km (0.076 R)
• M71: 53,203,585 km (0.115 R)
• M72: 53,859,123 km (0.09 R)
• M73: 54,046,868 km (0.12 R)
• M74: 54,800,243 km (0.08 R)
• M75: 55,083,582 km (0.025 R)
• M76: 55,651,904 km (0.033 R)
• M77: 56,031,882 km (0.101 R)
• M78: 58,908,650 km (0.105 R)
• M79: 59,392,748 km (0.115 R)
• M80: 60,170,059 km (0.086 R)
• M81: 61,244,471 km (0.119 R)
• M82: 62,522,485 km (0.096 R)
• M83: 62,917,424 km (0.079 R)
• M84: 63,115,192 km (0.058 R)
• M85: 64,206,808 km (0.109 R)
• M86: 64,405,922 km (0.105 R)
• M87: 64,505,555 km (0.053 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 15,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit