🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.44 AU - 0.64 AU

Year: 141 Days

Day: 23.5 Hours

Environment

Temp: 246 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,303,367 km

• M1: 34,557 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.51 AU - 0.73 AU

Year: 174 Days

Day: 28.1 Hours

Environment

Temp: 178 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.77 AU - 0.85 AU

Year: 260 Days

Day: 16.5 Hours

Environment

Temp: 195 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.86 AU - 2.3 AU

Year: 1069 Days

Day: 30 Hours

Environment

Temp: -58 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,303,367 km

• M1: 128,654 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.09 AU - 2.31 AU

Year: 1163 Days

Day: 27.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.76 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861

Radius: 11.2

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.91 AU - 5.71 AU

Year: 4362 Days

Day: 13.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,303,367 km

• M1: 139,425 km (0.04 R)
• M2: 564,134 km (0.057 R)
• M3: 946,805 km (0.074 R)
• M4: 1,509,293 km (0.079 R)
• M5: 2,364,694 km (0.066 R)
• M6: 3,708,980 km (0.095 R)
• M7: 4,090,455 km (0.104 R)
• M8: 4,522,792 km (0.112 R)
• M9: 6,503,468 km (0.118 R)
• M10: 7,128,488 km (0.047 R)
• M11: 8,965,700 km (0.097 R)
• M12: 9,327,278 km (0.115 R)
• M13: 10,165,923 km (0.032 R)
• M14: 10,872,474 km (0.115 R)
• M15: 11,849,049 km (0.056 R)
• M16: 12,334,195 km (0.093 R)
• M17: 12,984,646 km (0.102 R)
• M18: 15,875,924 km (0.057 R)
• M19: 17,502,652 km (0.092 R)
• M20: 19,504,271 km (0.098 R)
• M21: 23,122,146 km (0.075 R)
• M22: 25,367,311 km (0.091 R)
• M23: 27,081,254 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 13.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.07 AU - 7.19 AU

Year: 6085 Days

Day: 7.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,303,367 km

• M1: 172,935 km (0.09 R)
• M2: 771,177 km (0.065 R)
• M3: 1,265,299 km (0.059 R)
• M4: 1,810,134 km (0.112 R)
• M5: 2,644,741 km (0.071 R)
• M6: 3,109,093 km (0.097 R)
• M7: 3,840,177 km (0.048 R)
• M8: 4,374,990 km (0.041 R)
• M9: 4,820,193 km (0.1 R)
• M10: 6,014,283 km (0.063 R)
• M11: 6,652,468 km (0.102 R)
• M12: 7,274,346 km (0.043 R)
• M13: 10,468,709 km (0.108 R)
• M14: 10,904,787 km (0.116 R)
• M15: 16,013,255 km (0.106 R)
• M16: 20,008,416 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.9

Radius: 10.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.65 AU - 8.51 AU

Year: 7439 Days

Day: 13.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,303,367 km

• M1: 125,662 km (0.026 R)
• M2: 456,124 km (0.1 R)
• M3: 2,221,080 km (0.063 R)
• M4: 2,806,306 km (0.111 R)
• M5: 3,387,195 km (0.097 R)
• M6: 5,446,709 km (0.097 R)
• M7: 5,978,380 km (0.108 R)
• M8: 7,856,880 km (0.106 R)
• M9: 9,213,733 km (0.114 R)
• M10: 10,857,215 km (0.09 R)
• M11: 13,890,761 km (0.117 R)
• M12: 15,398,258 km (0.09 R)
• M13: 16,161,806 km (0.115 R)
• M14: 16,583,223 km (0.113 R)
• M15: 18,408,018 km (0.061 R)
• M16: 18,867,732 km (0.115 R)
• M17: 19,947,530 km (0.036 R)
• M18: 20,293,250 km (0.032 R)
• M19: 21,426,454 km (0.067 R)
• M20: 23,053,032 km (0.112 R)
• M21: 23,974,106 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.1

Radius: 4.3

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 12.09 AU - 14.65 AU

Year: 17426 Days

Day: 18.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,303,367 km

• M1: 59,091 km (0.064 R)
• M2: 395,238 km (0.111 R)
• M3: 596,148 km (0.094 R)
• M4: 794,065 km (0.102 R)
• M5: 1,218,026 km (0.073 R)
• M6: 4,759,905 km (0.11 R)
• M7: 6,860,259 km (0.025 R)
• M8: 9,646,220 km (0.089 R)
• M9: 22,003,304 km (0.058 R)
• M10: 30,384,674 km (0.093 R)
• M11: 35,552,832 km (0.085 R)
• M12: 39,226,357 km (0.113 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 20,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit