🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.46 AU - 0.72 AU

Year: 174 Days

Day: 40.2 Hours

Environment

Temp: 205 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.64 AU - 0.7 AU

Year: 210 Days

Day: 13.6 Hours

Environment

Temp: 141 °C

Axial Tilt: 9.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,718,321 km

• M1: 194,926 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.78 AU - 1.04 AU

Year: 332 Days

Day: 20.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 5.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.08 AU - 1.38 AU

Year: 522 Days

Day: 16.8 Hours

Environment

Temp: -33 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,718,321 km

• M1: 289,173 km (0.099 R)
• M2: 425,756 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.66 AU - 2 AU

Year: 948 Days

Day: 15.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,718,321 km

• M1: 234,121 km (0.082 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.48 AU - 3.36 AU

Year: 1910 Days

Day: 37.9 Hours

Environment

Temp: -107 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.71 AU - 3.81 AU

Year: 2254 Days

Day: 35.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.7

Radius: 11.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.62 AU - 8.9 AU

Year: 9089 Days

Day: 12.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 36,718,321 km

• M1: 310,266 km (0.096 R)
• M2: 474,076 km (0.065 R)
• M3: 685,457 km (0.071 R)
• M4: 1,135,448 km (0.106 R)
• M5: 1,555,668 km (0.068 R)
• M6: 1,630,318 km (0.067 R)
• M7: 1,961,976 km (0.12 R)
• M8: 2,315,177 km (0.082 R)
• M9: 2,643,694 km (0.094 R)
• M10: 2,917,607 km (0.054 R)
• M11: 3,176,711 km (0.086 R)
• M12: 3,517,495 km (0.112 R)
• M13: 3,870,247 km (0.106 R)
• M14: 4,528,627 km (0.112 R)
• M15: 5,193,440 km (0.082 R)
• M16: 5,888,771 km (0.055 R)
• M17: 7,494,255 km (0.119 R)
• M18: 8,278,746 km (0.037 R)
• M19: 8,445,398 km (0.12 R)
• M20: 8,748,334 km (0.084 R)
• M21: 8,850,060 km (0.057 R)
• M22: 9,054,860 km (0.109 R)
• M23: 9,192,191 km (0.111 R)
• M24: 9,503,953 km (0.093 R)
• M25: 10,102,045 km (0.084 R)
• M26: 10,712,554 km (0.084 R)
• M27: 10,894,315 km (0.091 R)
• M28: 11,040,622 km (0.098 R)
• M29: 12,806,924 km (0.118 R)
• M30: 13,000,055 km (0.111 R)
• M31: 13,194,083 km (0.111 R)
• M32: 13,310,919 km (0.061 R)
• M33: 13,506,593 km (0.059 R)
• M34: 13,585,132 km (0.091 R)
• M35: 13,979,921 km (0.108 R)
• M36: 14,059,357 km (0.045 R)
• M37: 14,418,542 km (0.12 R)
• M38: 16,010,114 km (0.098 R)
• M39: 16,134,878 km (0.048 R)
• M40: 16,385,305 km (0.1 R)
• M41: 16,721,152 km (0.11 R)
• M42: 17,229,336 km (0.11 R)
• M43: 17,528,233 km (0.12 R)
• M44: 17,699,672 km (0.101 R)
• M45: 18,044,346 km (0.114 R)
• M46: 18,217,580 km (0.078 R)
• M47: 18,872,071 km (0.093 R)
• M48: 19,091,830 km (0.048 R)
• M49: 19,224,224 km (0.03 R)
• M50: 19,711,913 km (0.064 R)
• M51: 20,069,302 km (0.109 R)
• M52: 20,338,728 km (0.091 R)
• M53: 20,518,994 km (0.095 R)
• M54: 20,654,529 km (0.09 R)
• M55: 20,971,976 km (0.07 R)
• M56: 21,795,662 km (0.077 R)
• M57: 22,026,491 km (0.04 R)
• M58: 22,770,142 km (0.033 R)
• M59: 23,286,255 km (0.094 R)
• M60: 23,427,625 km (0.043 R)
• M61: 23,569,294 km (0.108 R)
• M62: 23,711,412 km (0.058 R)
• M63: 23,806,108 km (0.104 R)
• M64: 24,473,464 km (0.096 R)
• M65: 25,243,593 km (0.111 R)
• M66: 25,826,427 km (0.09 R)
• M67: 26,021,802 km (0.091 R)
• M68: 26,413,748 km (0.098 R)
• M69: 26,512,034 km (0.071 R)
• M70: 27,054,925 km (0.074 R)
• M71: 27,253,291 km (0.052 R)
• M72: 28,453,515 km (0.106 R)
• M73: 28,857,280 km (0.071 R)
• M74: 30,080,392 km (0.111 R)
• M75: 30,440,324 km (0.117 R)
• M76: 30,956,886 km (0.109 R)
• M77: 31,164,378 km (0.082 R)
• M78: 31,268,199 km (0.111 R)
• M79: 31,632,919 km (0.117 R)
• M80: 31,894,116 km (0.036 R)
• M81: 32,261,080 km (0.119 R)
• M82: 32,576,881 km (0.109 R)
• M83: 32,787,814 km (0.066 R)
• M84: 33,052,303 km (0.054 R)
• M85: 36,116,516 km (0.087 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 17,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit