🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.88 AU - 0.96 AU

Year: 313 Days

Day: 38.4 Hours

Environment

Temp: 101 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 22,260,546 km

• M1: 58,642 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.36 AU - 2.56 AU

Year: 1369 Days

Day: 41.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,260,546 km

• M1: 291,267 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.77 AU - 3.05 AU

Year: 1761 Days

Day: 12.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.18 AU - 3.32 AU

Year: 2079 Days

Day: 46.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.62 AU - 4.26 AU

Year: 2263 Days

Day: 47.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,260,546 km

• M1: 734,226 km (0.111 R)
• M2: 1,527,843 km (0.07 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.92 AU - 4.02 AU

Year: 2806 Days

Day: 36.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.15 AU - 5.15 AU

Year: 2999 Days

Day: 33.6 Hours

Environment

Temp: -112 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,260,546 km

• M1: 1,189,303 km (0.12 R)
• M2: 1,911,861 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.6

Radius: 13.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.46 AU - 8.34 AU

Year: 6430 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 167.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 22,260,546 km

• M1: 210,933 km (0.109 R)
• M2: 427,700 km (0.076 R)
• M3: 526,585 km (0.055 R)
• M4: 661,073 km (0.031 R)
• M5: 808,876 km (0.116 R)
• M6: 1,061,247 km (0.066 R)
• M7: 1,391,859 km (0.119 R)
• M8: 1,515,426 km (0.111 R)
• M9: 1,698,684 km (0.116 R)
• M10: 1,793,230 km (0.071 R)
• M11: 1,928,616 km (0.083 R)
• M12: 2,067,592 km (0.066 R)
• M13: 2,169,020 km (0.058 R)
• M14: 2,334,924 km (0.112 R)
• M15: 2,419,446 km (0.11 R)
• M16: 2,613,624 km (0.113 R)
• M17: 2,903,395 km (0.092 R)
• M18: 3,017,688 km (0.092 R)
• M19: 4,087,911 km (0.05 R)
• M20: 4,557,499 km (0.094 R)
• M21: 5,491,139 km (0.05 R)
• M22: 5,662,130 km (0.074 R)
• M23: 6,846,347 km (0.088 R)
• M24: 7,154,369 km (0.098 R)
• M25: 7,783,876 km (0.111 R)
• M26: 8,040,736 km (0.074 R)
• M27: 8,300,288 km (0.056 R)
• M28: 8,628,805 km (0.119 R)
• M29: 9,197,127 km (0.115 R)
• M30: 9,434,689 km (0.085 R)
• M31: 9,605,530 km (0.12 R)
• M32: 10,089,628 km (0.096 R)
• M33: 10,369,975 km (0.079 R)
• M34: 10,617,260 km (0.068 R)
• M35: 10,830,886 km (0.105 R)
• M36: 11,081,761 km (0.1 R)
• M37: 12,328,061 km (0.09 R)
• M38: 12,778,650 km (0.037 R)
• M39: 12,967,891 km (0.092 R)
• M40: 13,234,475 km (0.106 R)
• M41: 13,695,835 km (0.118 R)
• M42: 13,889,564 km (0.064 R)
• M43: 14,162,430 km (0.036 R)
• M44: 14,634,262 km (0.089 R)
• M45: 14,753,043 km (0.097 R)
• M46: 15,271,399 km (0.105 R)
• M47: 15,432,068 km (0.105 R)
• M48: 16,862,223 km (0.094 R)
• M49: 17,070,015 km (0.077 R)
• M50: 17,446,253 km (0.086 R)
• M51: 17,614,252 km (0.09 R)
• M52: 17,825,035 km (0.054 R)
• M53: 18,762,715 km (0.065 R)
• M54: 19,367,688 km (0.119 R)
• M55: 21,535,511 km (0.118 R)
• M56: 21,761,105 km (0.066 R)
• M57: 22,351,119 km (0.109 R)
• M58: 22,579,405 km (0.039 R)
• M59: 23,361,503 km (0.105 R)
• M60: 23,454,104 km (0.084 R)
• M61: 23,732,655 km (0.094 R)
• M62: 24,059,078 km (0.049 R)
• M63: 24,386,996 km (0.055 R)
• M64: 24,574,891 km (0.095 R)
• M65: 25,189,289 km (0.07 R)
• M66: 27,501,474 km (0.118 R)
• M67: 28,336,529 km (0.118 R)
• M68: 29,030,514 km (0.069 R)
• M69: 29,379,526 km (0.098 R)
• M70: 29,679,918 km (0.106 R)
• M71: 29,880,679 km (0.098 R)
• M72: 30,031,623 km (0.071 R)
• M73: 33,154,179 km (0.101 R)
• M74: 33,832,905 km (0.09 R)
• M75: 33,990,282 km (0.099 R)
• M76: 34,727,500 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.7

Radius: 10.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 8.6 AU - 14.22 AU

Year: 13673 Days

Day: 9.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 22,260,546 km

• M1: 194,477 km (0.045 R)
• M2: 270,623 km (0.11 R)
• M3: 532,868 km (0.101 R)
• M4: 641,924 km (0.111 R)
• M5: 790,026 km (0.046 R)
• M6: 917,185 km (0.078 R)
• M7: 1,040,154 km (0.113 R)
• M8: 1,737,878 km (0.064 R)
• M9: 2,200,734 km (0.107 R)
• M10: 2,766,214 km (0.092 R)
• M11: 2,981,336 km (0.106 R)
• M12: 3,988,279 km (0.12 R)
• M13: 5,051,770 km (0.108 R)
• M14: 5,254,176 km (0.064 R)
• M15: 5,459,275 km (0.104 R)
• M16: 5,583,741 km (0.095 R)
• M17: 6,241,373 km (0.077 R)
• M18: 7,536,890 km (0.053 R)
• M19: 7,955,465 km (0.116 R)
• M20: 8,026,075 km (0.106 R)
• M21: 8,405,605 km (0.078 R)
• M22: 9,281,351 km (0.09 R)
• M23: 9,881,089 km (0.109 R)
• M24: 10,856,467 km (0.091 R)
• M25: 11,197,251 km (0.074 R)
• M26: 11,435,112 km (0.079 R)
• M27: 11,781,880 km (0.063 R)
• M28: 12,704,898 km (0.067 R)
• M29: 12,815,002 km (0.088 R)
• M30: 13,091,758 km (0.118 R)
• M31: 13,342,484 km (0.119 R)
• M32: 14,018,966 km (0.093 R)
• M33: 14,648,773 km (0.116 R)
• M34: 16,864,766 km (0.062 R)
• M35: 17,076,896 km (0.091 R)
• M36: 18,275,025 km (0.072 R)
• M37: 18,492,840 km (0.089 R)
• M38: 18,649,020 km (0.088 R)
• M39: 18,994,142 km (0.081 R)
• M40: 19,850,291 km (0.061 R)
• M41: 20,106,403 km (0.1 R)
• M42: 21,174,232 km (0.119 R)
• M43: 21,731,634 km (0.087 R)

Kuiper Belt

Range: 30.9 - 54.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 19,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit