🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.59 AU - 0.75 AU

Year: 192 Days

Day: 40.5 Hours

Environment

Temp: 212 °C

Axial Tilt: 27 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.15 AU - 1.19 AU

Year: 443 Days

Day: 17 Hours

Environment

Temp: 41 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.16 AU - 1.82 AU

Year: 636 Days

Day: 37.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.32 AU - 1.68 AU

Year: 643 Days

Day: 43.8 Hours

Environment

Temp: -17 °C

Axial Tilt: 0.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 68,170,401 km

• M1: 60,438 km (0.075 R)

Asteroid Belt

Center: 3.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.6

Radius: 12.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.63 AU - 6.57 AU

Year: 4636 Days

Day: 10.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,170,401 km

• M1: 152,141 km (0.093 R)
• M2: 530,025 km (0.093 R)
• M3: 990,936 km (0.115 R)
• M4: 2,313,830 km (0.117 R)
• M5: 2,867,642 km (0.11 R)
• M6: 3,345,158 km (0.064 R)
• M7: 4,220,006 km (0.081 R)
• M8: 4,840,688 km (0.092 R)
• M9: 6,203,076 km (0.112 R)
• M10: 6,709,913 km (0.076 R)
• M11: 8,061,979 km (0.066 R)
• M12: 11,298,828 km (0.114 R)
• M13: 11,911,880 km (0.092 R)
• M14: 12,497,406 km (0.031 R)
• M15: 15,033,688 km (0.08 R)
• M16: 15,950,574 km (0.078 R)
• M17: 16,482,394 km (0.056 R)
• M18: 18,277,269 km (0.064 R)
• M19: 19,321,463 km (0.096 R)
• M20: 20,405,150 km (0.098 R)
• M21: 24,440,253 km (0.086 R)
• M22: 26,030,927 km (0.082 R)
• M23: 27,436,249 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51

Radius: 3.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 12.44 AU - 16.56 AU

Year: 19317 Days

Day: 19.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,170,401 km

• M1: 52,060 km (0.113 R)
• M2: 870,061 km (0.045 R)
• M3: 1,326,036 km (0.116 R)
• M4: 1,983,069 km (0.118 R)
• M5: 2,149,273 km (0.074 R)
• M6: 3,454,664 km (0.04 R)
• M7: 5,354,108 km (0.111 R)
• M8: 20,048,059 km (0.115 R)
• M9: 25,737,266 km (0.056 R)
• M10: 28,725,334 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.3

Radius: 6.8

Gravity: 20.01 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 17.84 AU - 20.24 AU

Year: 29065 Days

Day: 19.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,170,401 km

• M1: 84,822 km (0.053 R)
• M2: 300,243 km (0.09 R)
• M3: 633,248 km (0.094 R)
• M4: 1,538,315 km (0.099 R)
• M5: 2,401,345 km (0.12 R)
• M6: 4,551,066 km (0.088 R)
• M7: 7,142,102 km (0.093 R)
• M8: 8,188,239 km (0.117 R)
• M9: 8,538,747 km (0.101 R)
• M10: 14,054,421 km (0.083 R)
• M11: 14,304,399 km (0.054 R)
• M12: 16,596,687 km (0.115 R)
• M13: 21,672,393 km (0.045 R)
• M14: 28,351,639 km (0.092 R)
• M15: 30,109,414 km (0.082 R)
• M16: 41,860,327 km (0.068 R)
• M17: 42,551,768 km (0.108 R)
• M18: 42,900,331 km (0.05 R)
• M19: 87,379,667 km (0.099 R)
• M20: 89,361,390 km (0.117 R)
• M21: 92,828,022 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.7

Radius: 7

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 14.75 AU - 23.75 AU

Year: 29548 Days

Day: 21.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,170,401 km

• M1: 87,515 km (0.088 R)
• M2: 421,567 km (0.092 R)
• M3: 782,696 km (0.109 R)
• M4: 2,235,441 km (0.087 R)
• M5: 2,646,686 km (0.117 R)
• M6: 3,107,297 km (0.064 R)
• M7: 3,370,590 km (0.109 R)
• M8: 3,648,692 km (0.086 R)
• M9: 4,411,791 km (0.027 R)
• M10: 5,537,964 km (0.116 R)
• M11: 6,249,900 km (0.119 R)
• M12: 9,065,332 km (0.057 R)
• M13: 9,660,133 km (0.12 R)
• M14: 11,291,348 km (0.115 R)
• M15: 13,165,809 km (0.074 R)
• M16: 16,078,779 km (0.112 R)
• M17: 16,313,199 km (0.097 R)
• M18: 19,749,911 km (0.093 R)
• M19: 20,290,109 km (0.094 R)
• M20: 29,040,088 km (0.067 R)
• M21: 33,400,567 km (0.078 R)
• M22: 37,215,462 km (0.114 R)
• M23: 37,625,959 km (0.119 R)
• M24: 42,194,528 km (0.101 R)
• M25: 56,096,359 km (0.118 R)
• M26: 61,841,366 km (0.097 R)
• M27: 63,970,593 km (0.06 R)
• M28: 65,152,416 km (0.114 R)
• M29: 67,559,446 km (0.069 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 12,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit