🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.83 AU - 1.19 AU

Year: 369 Days

Day: 33.2 Hours

Environment

Temp: 39 °C

Axial Tilt: 70.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 48,566,836 km

• M1: 50,863 km (0.114 R)
• M2: 69,114 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.26 AU - 2.04 AU

Year: 770 Days

Day: 44.9 Hours

Environment

Temp: -37 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,566,836 km

• M1: 32,912 km (0.045 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.68 AU - 2.18 AU

Year: 974 Days

Day: 39.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,566,836 km

• M1: 585,526 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.26 AU - 2.92 AU

Year: 1515 Days

Day: 42 Hours

Environment

Temp: -97 °C

Axial Tilt: 124.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.96 AU - 3.32 AU

Year: 2022 Days

Day: 22.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 44.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,566,836 km

• M1: 83,027 km (0.087 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.79 AU - 5.53 AU

Year: 3656 Days

Day: 37.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,566,836 km

• M1: 2,376,811 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.6

Radius: 3.9

Gravity: 43.83 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 12 AU - 14.88 AU

Year: 17907 Days

Day: 23.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,566,836 km

• M1: 48,619 km (0.047 R)
• M2: 228,436 km (0.101 R)
• M3: 625,469 km (0.107 R)
• M4: 900,130 km (0.068 R)
• M5: 1,773,333 km (0.105 R)
• M6: 2,775,489 km (0.082 R)
• M7: 6,995,795 km (0.071 R)
• M8: 7,177,407 km (0.115 R)
• M9: 7,838,031 km (0.08 R)
• M10: 8,641,521 km (0.116 R)
• M11: 9,553,769 km (0.068 R)
• M12: 9,890,514 km (0.091 R)
• M13: 15,319,420 km (0.102 R)
• M14: 18,483,864 km (0.104 R)
• M15: 19,808,553 km (0.12 R)
• M16: 20,632,987 km (0.091 R)
• M17: 21,480,160 km (0.063 R)
• M18: 21,864,028 km (0.059 R)
• M19: 23,546,555 km (0.087 R)
• M20: 26,283,598 km (0.092 R)
• M21: 53,494,553 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.3

Radius: 3.4

Gravity: 17.41 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 10.61 AU - 17.17 AU

Year: 18814 Days

Day: 17.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,566,836 km

• M1: 43,084 km (0.12 R)
• M2: 199,564 km (0.091 R)
• M3: 320,588 km (0.118 R)
• M4: 448,195 km (0.108 R)
• M5: 828,174 km (0.06 R)
• M6: 935,136 km (0.071 R)
• M7: 1,201,420 km (0.104 R)
• M8: 1,378,844 km (0.12 R)
• M9: 1,544,598 km (0.097 R)
• M10: 1,818,063 km (0.076 R)
• M11: 2,069,687 km (0.111 R)
• M12: 2,789,851 km (0.099 R)
• M13: 3,147,838 km (0.087 R)
• M14: 4,643,368 km (0.097 R)
• M15: 5,341,841 km (0.119 R)
• M16: 5,716,284 km (0.105 R)
• M17: 5,927,666 km (0.103 R)
• M18: 6,254,537 km (0.117 R)
• M19: 6,555,079 km (0.065 R)
• M20: 6,983,977 km (0.072 R)
• M21: 9,461,168 km (0.102 R)
• M22: 13,123,772 km (0.081 R)
• M23: 14,899,649 km (0.098 R)
• M24: 25,073,650 km (0.11 R)
• M25: 26,214,184 km (0.025 R)
• M26: 31,995,843 km (0.063 R)
• M27: 36,729,718 km (0.109 R)
• M28: 37,215,014 km (0.114 R)
• M29: 37,704,647 km (0.068 R)
• M30: 38,074,752 km (0.046 R)
• M31: 38,198,620 km (0.063 R)
• M32: 38,571,866 km (0.05 R)
• M33: 39,961,331 km (0.118 R)
• M34: 48,421,390 km (0.075 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 14,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit