🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.47 AU - 0.59 AU

Year: 135 Days

Day: 17.1 Hours

Environment

Temp: 274 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.52 AU - 0.6 AU

Year: 147 Days

Day: 20.6 Hours

Environment

Temp: 185 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,076,455 km

• M1: 159,621 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.56 AU - 0.58 AU

Year: 151 Days

Day: 12.9 Hours

Environment

Temp: 210 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.08 AU - 1.14 AU

Year: 409 Days

Day: 15.5 Hours

Environment

Temp: 49 °C

Axial Tilt: 48.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.17 AU - 2.19 AU

Year: 1126 Days

Day: 44.6 Hours

Environment

Temp: -52 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,076,455 km

• M1: 108,907 km (0.054 R)
• M2: 943,215 km (0.085 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.56 AU - 3.72 AU

Year: 1947 Days

Day: 38.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.5

Radius: 11.3

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 11.66 AU - 12.4 AU

Year: 14597 Days

Day: 8.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,076,455 km

• M1: 140,622 km (0.086 R)
• M2: 529,277 km (0.116 R)
• M3: 1,184,666 km (0.062 R)
• M4: 1,601,894 km (0.029 R)
• M5: 2,521,323 km (0.104 R)
• M6: 3,199,150 km (0.12 R)
• M7: 4,205,346 km (0.059 R)
• M8: 4,748,835 km (0.074 R)
• M9: 6,334,722 km (0.109 R)
• M10: 7,679,607 km (0.092 R)
• M11: 8,493,569 km (0.074 R)
• M12: 9,050,222 km (0.093 R)
• M13: 14,847,289 km (0.105 R)
• M14: 15,211,261 km (0.081 R)
• M15: 15,655,866 km (0.042 R)
• M16: 17,684,114 km (0.09 R)
• M17: 19,881,557 km (0.051 R)
• M18: 22,255,526 km (0.109 R)
• M19: 24,710,576 km (0.065 R)
• M20: 25,846,024 km (0.085 R)
• M21: 26,693,346 km (0.091 R)
• M22: 28,892,734 km (0.055 R)
• M23: 29,920,921 km (0.054 R)
• M24: 31,688,419 km (0.098 R)
• M25: 33,524,584 km (0.101 R)
• M26: 37,947,145 km (0.113 R)
• M27: 39,179,832 km (0.075 R)
• M28: 40,580,666 km (0.12 R)
• M29: 42,159,822 km (0.068 R)
• M30: 48,248,156 km (0.073 R)
• M31: 52,336,815 km (0.078 R)
• M32: 56,297,269 km (0.074 R)
• M33: 62,700,656 km (0.078 R)
• M34: 64,037,014 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.5

Radius: 4

Gravity: 54.28 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 13.69 AU - 15.53 AU

Year: 19537 Days

Day: 24.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 150 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,076,455 km

• M1: 49,816 km (0.088 R)
• M2: 207,941 km (0.089 R)
• M3: 499,058 km (0.114 R)
• M4: 1,377,497 km (0.109 R)
• M5: 1,507,049 km (0.067 R)
• M6: 1,662,332 km (0.089 R)
• M7: 1,809,386 km (0.079 R)
• M8: 1,965,267 km (0.054 R)
• M9: 2,961,589 km (0.066 R)
• M10: 3,736,356 km (0.091 R)
• M11: 3,989,775 km (0.08 R)
• M12: 4,120,823 km (0.102 R)
• M13: 5,081,391 km (0.113 R)
• M14: 5,967,459 km (0.062 R)
• M15: 10,734,844 km (0.096 R)
• M16: 11,181,842 km (0.12 R)
• M17: 14,897,854 km (0.108 R)
• M18: 17,377,139 km (0.099 R)
• M19: 20,698,661 km (0.051 R)
• M20: 25,302,984 km (0.084 R)
• M21: 31,570,536 km (0.076 R)
• M22: 32,091,436 km (0.055 R)
• M23: 32,750,714 km (0.086 R)
• M24: 34,232,930 km (0.116 R)
• M25: 39,245,356 km (0.047 R)
• M26: 42,318,096 km (0.054 R)
• M27: 56,786,903 km (0.05 R)
• M28: 56,978,687 km (0.069 R)
• M29: 57,363,752 km (0.119 R)
• M30: 65,856,872 km (0.07 R)
• M31: 66,920,513 km (0.047 R)
• M32: 72,411,204 km (0.111 R)
• M33: 79,867,162 km (0.071 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 20,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit