🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.51 AU - 0.79 AU

Year: 190 Days

Day: 26.6 Hours

Environment

Temp: 212 °C

Axial Tilt: 8.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.53 AU - 0.77 AU

Year: 190 Days

Day: 42.6 Hours

Environment

Temp: 199 °C

Axial Tilt: 109 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,127,782 km

• M1: 392,994 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.1 AU - 1.1 AU

Year: 419 Days

Day: 41.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 45,127,782 km

• M1: 59,091 km (0.034 R)
• M2: 201,060 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.15 AU - 1.35 AU

Year: 508 Days

Day: 35.1 Hours

Environment

Temp: 6 °C

Axial Tilt: 23 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.27 AU - 3.05 AU

Year: 1577 Days

Day: 45.7 Hours

Environment

Temp: -96 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,127,782 km

• M1: 58,194 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.5 AU - 5.48 AU

Year: 3458 Days

Day: 27.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,127,782 km

• M1: 356,641 km (0.048 R)
• M2: 937,829 km (0.076 R)

Asteroid Belt

Center: 8.53 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.9

Radius: 5.6

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 10.02 AU - 15.12 AU

Year: 16197 Days

Day: 16.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 45,127,782 km

• M1: 339,737 km (0.034 R)
• M2: 558,299 km (0.035 R)
• M3: 635,043 km (0.064 R)
• M4: 699,071 km (0.063 R)
• M5: 1,166,564 km (0.11 R)
• M6: 1,389,016 km (0.098 R)
• M7: 1,515,875 km (0.057 R)
• M8: 2,354,521 km (0.058 R)
• M9: 3,396,620 km (0.079 R)
• M10: 3,860,373 km (0.047 R)
• M11: 4,190,835 km (0.109 R)
• M12: 4,530,272 km (0.096 R)
• M13: 4,592,954 km (0.092 R)
• M14: 4,750,929 km (0.036 R)
• M15: 5,007,340 km (0.061 R)
• M16: 6,391,120 km (0.086 R)
• M17: 7,289,156 km (0.084 R)
• M18: 7,510,561 km (0.052 R)
• M19: 7,696,661 km (0.104 R)
• M20: 9,200,269 km (0.092 R)
• M21: 9,479,568 km (0.062 R)
• M22: 9,680,777 km (0.11 R)
• M23: 11,001,577 km (0.117 R)
• M24: 11,297,930 km (0.102 R)
• M25: 11,812,248 km (0.06 R)
• M26: 12,028,716 km (0.087 R)
• M27: 13,130,953 km (0.085 R)
• M28: 13,807,584 km (0.106 R)
• M29: 14,403,133 km (0.08 R)
• M30: 14,449,359 km (0.115 R)
• M31: 14,495,585 km (0.099 R)
• M32: 16,191,576 km (0.057 R)
• M33: 16,239,597 km (0.08 R)
• M34: 17,014,215 km (0.114 R)
• M35: 17,751,134 km (0.101 R)
• M36: 18,398,294 km (0.1 R)
• M37: 19,972,513 km (0.118 R)
• M38: 20,749,524 km (0.119 R)
• M39: 21,694,982 km (0.103 R)
• M40: 22,173,097 km (0.081 R)
• M41: 22,815,770 km (0.065 R)
• M42: 23,031,340 km (0.12 R)
• M43: 25,001,993 km (0.109 R)
• M44: 25,279,946 km (0.113 R)
• M45: 25,558,946 km (0.11 R)
• M46: 25,782,894 km (0.114 R)
• M47: 26,912,208 km (0.098 R)
• M48: 26,969,055 km (0.108 R)
• M49: 27,197,042 km (0.051 R)
• M50: 29,218,708 km (0.039 R)
• M51: 29,687,697 km (0.104 R)
• M52: 29,746,489 km (0.117 R)
• M53: 30,632,857 km (0.076 R)
• M54: 30,692,247 km (0.117 R)
• M55: 31,348,234 km (0.038 R)
• M56: 31,468,062 km (0.109 R)
• M57: 32,917,067 km (0.089 R)
• M58: 34,820,700 km (0.088 R)
• M59: 35,879,703 km (0.107 R)
• M60: 37,965,396 km (0.061 R)
• M61: 38,540,899 km (0.12 R)
• M62: 39,119,394 km (0.088 R)
• M63: 39,506,703 km (0.03 R)
• M64: 39,700,881 km (0.114 R)
• M65: 39,765,657 km (0.074 R)
• M66: 41,856,886 km (0.104 R)
• M67: 42,054,804 km (0.112 R)
• M68: 42,253,021 km (0.091 R)
• M69: 42,385,266 km (0.114 R)
• M70: 43,916,699 km (0.102 R)
• M71: 44,117,758 km (0.085 R)
• M72: 44,386,436 km (0.101 R)
• M73: 44,790,201 km (0.049 R)
• M74: 44,857,670 km (0.055 R)
• M75: 44,992,607 km (0.049 R)

Kuiper Belt

Range: 30.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 14,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit