🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.63 AU - 0.81 AU

Year: 231 Days

Day: 21.7 Hours

Environment

Temp: 181 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,040,866 km

• M1: 41,289 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.68 AU - 0.92 AU

Year: 271 Days

Day: 46.4 Hours

Environment

Temp: 169 °C

Axial Tilt: 25.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.81 AU - 1.25 AU

Year: 396 Days

Day: 45.2 Hours

Environment

Temp: -3 °C

Axial Tilt: 2.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 80,040,866 km

• M1: 36,502 km (0.054 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.94 AU - 1.3 AU

Year: 449 Days

Day: 31.4 Hours

Environment

Temp: -9 °C

Axial Tilt: 139.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.9 AU - 4.08 AU

Year: 2469 Days

Day: 25.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.07 AU - 4.11 AU

Year: 3133 Days

Day: 21.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.5

Radius: 9

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.13 AU - 9.13 AU

Year: 7982 Days

Day: 6.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,040,866 km

• M1: 112,049 km (0.097 R)
• M2: 590,762 km (0.099 R)
• M3: 1,231,938 km (0.112 R)
• M4: 1,800,560 km (0.12 R)
• M5: 2,264,762 km (0.113 R)
• M6: 2,727,169 km (0.109 R)
• M7: 3,013,051 km (0.079 R)
• M8: 4,585,923 km (0.116 R)
• M9: 6,046,297 km (0.109 R)
• M10: 6,358,059 km (0.108 R)
• M11: 7,203,586 km (0.089 R)
• M12: 7,633,680 km (0.065 R)
• M13: 11,399,358 km (0.064 R)
• M14: 12,926,752 km (0.098 R)
• M15: 13,739,517 km (0.11 R)
• M16: 15,466,774 km (0.113 R)
• M17: 16,650,841 km (0.119 R)
• M18: 17,058,645 km (0.112 R)
• M19: 17,403,468 km (0.106 R)
• M20: 19,124,293 km (0.11 R)
• M21: 26,040,053 km (0.111 R)
• M22: 26,682,127 km (0.108 R)
• M23: 29,061,630 km (0.093 R)
• M24: 34,238,315 km (0.117 R)
• M25: 35,008,894 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.7

Radius: 14.4

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.58 AU - 8.42 AU

Year: 8570 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,040,866 km

• M1: 179,517 km (0.079 R)
• M2: 673,639 km (0.09 R)
• M3: 2,230,654 km (0.109 R)
• M4: 3,743,238 km (0.065 R)
• M5: 5,990,348 km (0.092 R)
• M6: 6,600,408 km (0.089 R)
• M7: 7,516,395 km (0.117 R)
• M8: 8,350,104 km (0.094 R)
• M9: 10,202,126 km (0.078 R)
• M10: 12,049,061 km (0.109 R)
• M11: 13,474,131 km (0.094 R)
• M12: 14,644,884 km (0.026 R)
• M13: 15,255,093 km (0.091 R)
• M14: 17,322,985 km (0.093 R)
• M15: 17,799,155 km (0.113 R)
• M16: 18,494,635 km (0.102 R)
• M17: 18,992,198 km (0.104 R)
• M18: 24,899,668 km (0.09 R)
• M19: 28,597,428 km (0.102 R)
• M20: 32,031,746 km (0.112 R)
• M21: 32,543,820 km (0.098 R)
• M22: 36,172,316 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.9

Radius: 7.6

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 15.14 AU - 15.2 AU

Year: 22378 Days

Day: 22.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,040,866 km

• M1: 102,325 km (0.12 R)
• M2: 359,035 km (0.103 R)
• M3: 1,313,918 km (0.118 R)
• M4: 1,703,321 km (0.081 R)
• M5: 2,362,749 km (0.102 R)
• M6: 3,732,018 km (0.035 R)
• M7: 5,366,076 km (0.096 R)
• M8: 6,629,878 km (0.096 R)
• M9: 7,526,269 km (0.113 R)
• M10: 7,978,054 km (0.103 R)
• M11: 9,328,474 km (0.059 R)
• M12: 9,673,896 km (0.12 R)
• M13: 10,637,157 km (0.099 R)
• M14: 11,335,629 km (0.048 R)
• M15: 11,862,513 km (0.08 R)
• M16: 13,395,592 km (0.105 R)
• M17: 21,348,065 km (0.115 R)
• M18: 21,847,722 km (0.095 R)
• M19: 27,048,641 km (0.105 R)
• M20: 41,799,291 km (0.111 R)
• M21: 43,055,165 km (0.064 R)
• M22: 50,590,858 km (0.088 R)
• M23: 55,134,744 km (0.112 R)
• M24: 63,163,363 km (0.073 R)
• M25: 67,561,989 km (0.119 R)
• M26: 80,040,845 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 15,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit