🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.7 AU - 0.88 AU

Year: 269 Days

Day: 25.5 Hours

Environment

Temp: 73 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.68 AU - 1.04 AU

Year: 305 Days

Day: 18.3 Hours

Environment

Temp: 42 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 71,232,897 km

• M1: 17,054 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.84 AU - 0.9 AU

Year: 311 Days

Day: 20.9 Hours

Environment

Temp: 23 °C

Axial Tilt: 19.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.28 AU - 1.54 AU

Year: 641 Days

Day: 15.9 Hours

Environment

Temp: -56 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,232,897 km

• M1: 89,460 km (0.108 R)
• M2: 505,491 km (0.076 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.52 AU - 1.8 AU

Year: 819 Days

Day: 31.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.7

Radius: 13.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.41 AU - 6.03 AU

Year: 4566 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,232,897 km

• M1: 165,455 km (0.078 R)
• M2: 633,547 km (0.099 R)
• M3: 1,319,453 km (0.114 R)
• M4: 1,797,119 km (0.102 R)
• M5: 3,018,885 km (0.079 R)
• M6: 3,455,112 km (0.112 R)
• M7: 4,261,146 km (0.105 R)
• M8: 5,134,349 km (0.084 R)
• M9: 6,696,599 km (0.12 R)
• M10: 7,987,778 km (0.11 R)
• M11: 8,634,041 km (0.112 R)
• M12: 9,521,904 km (0.117 R)
• M13: 10,161,585 km (0.11 R)
• M14: 12,503,240 km (0.117 R)
• M15: 13,166,857 km (0.12 R)
• M16: 14,620,050 km (0.048 R)
• M17: 15,472,309 km (0.091 R)
• M18: 15,940,401 km (0.106 R)
• M19: 18,293,576 km (0.095 R)
• M20: 19,350,634 km (0.064 R)
• M21: 21,154,635 km (0.095 R)
• M22: 24,145,396 km (0.097 R)
• M23: 24,696,364 km (0.119 R)
• M24: 25,741,754 km (0.079 R)
• M25: 26,732,840 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.3

Radius: 14.5

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.93 AU - 7.31 AU

Year: 6522 Days

Day: 9.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,232,897 km

• M1: 180,265 km (0.06 R)
• M2: 1,046,886 km (0.059 R)
• M3: 1,538,165 km (0.066 R)
• M4: 2,025,406 km (0.089 R)
• M5: 2,563,509 km (0.088 R)
• M6: 3,029,506 km (0.102 R)
• M7: 3,881,018 km (0.115 R)
• M8: 4,520,548 km (0.105 R)
• M9: 5,273,923 km (0.076 R)
• M10: 10,223,668 km (0.073 R)
• M11: 13,552,221 km (0.048 R)
• M12: 14,629,026 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.4

Radius: 3.7

Gravity: 28.08 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 13.99 AU - 17.73 AU

Year: 24184 Days

Day: 21.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,232,897 km

• M1: 46,974 km (0.103 R)
• M2: 286,330 km (0.114 R)
• M3: 511,475 km (0.113 R)
• M4: 743,651 km (0.102 R)
• M5: 1,054,964 km (0.106 R)
• M6: 1,836,613 km (0.083 R)
• M7: 2,045,900 km (0.079 R)
• M8: 2,356,914 km (0.087 R)
• M9: 2,651,024 km (0.08 R)
• M10: 3,177,309 km (0.09 R)
• M11: 3,740,246 km (0.111 R)
• M12: 3,952,226 km (0.056 R)
• M13: 4,952,288 km (0.052 R)
• M14: 5,357,848 km (0.098 R)
• M15: 5,745,456 km (0.114 R)
• M16: 5,946,067 km (0.099 R)
• M17: 6,532,939 km (0.096 R)
• M18: 6,663,538 km (0.085 R)
• M19: 7,065,807 km (0.098 R)
• M20: 11,131,278 km (0.075 R)
• M21: 12,019,441 km (0.071 R)
• M22: 14,079,553 km (0.118 R)
• M23: 14,370,970 km (0.04 R)
• M24: 16,283,728 km (0.11 R)
• M25: 16,766,780 km (0.117 R)
• M26: 24,673,027 km (0.071 R)
• M27: 26,176,037 km (0.073 R)
• M28: 26,395,497 km (0.047 R)
• M29: 31,791,343 km (0.097 R)
• M30: 37,737,708 km (0.065 R)
• M31: 40,749,712 km (0.103 R)
• M32: 60,695,147 km (0.071 R)
• M33: 66,229,521 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 13,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit