🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.53 AU - 0.77 AU

Year: 188 Days

Day: 31.5 Hours

Environment

Temp: 181 °C

Axial Tilt: 16 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.82 AU - 0.88 AU

Year: 281 Days

Day: 45.5 Hours

Environment

Temp: 176 °C

Axial Tilt: 48.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,857,620 km

• M1: 392,096 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.08 AU - 1.48 AU

Year: 519 Days

Day: 41.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 19.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.3 AU - 2.06 AU

Year: 780 Days

Day: 28.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.73 AU - 3.45 AU

Year: 1945 Days

Day: 16.3 Hours

Environment

Temp: -89 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.63 AU - 3.93 AU

Year: 2128 Days

Day: 30.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 45.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,857,620 km

• M1: 1,060,200 km (0.111 R)

Asteroid Belt

Center: 4.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.8

Radius: 10.5

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.52 AU - 7.6 AU

Year: 6018 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,857,620 km

• M1: 133,740 km (0.106 R)
• M2: 492,775 km (0.081 R)
• M3: 868,266 km (0.09 R)
• M4: 1,279,810 km (0.108 R)
• M5: 2,236,189 km (0.073 R)
• M6: 2,967,274 km (0.049 R)
• M7: 3,433,271 km (0.12 R)
• M8: 4,594,300 km (0.096 R)
• M9: 5,131,656 km (0.102 R)
• M10: 5,967,010 km (0.081 R)
• M11: 9,591,767 km (0.104 R)
• M12: 12,658,373 km (0.119 R)
• M13: 13,207,697 km (0.07 R)
• M14: 15,195,404 km (0.089 R)
• M15: 16,389,195 km (0.055 R)
• M16: 18,191,699 km (0.047 R)
• M17: 18,750,298 km (0.05 R)
• M18: 19,392,222 km (0.086 R)
• M19: 21,950,645 km (0.079 R)
• M20: 22,824,446 km (0.105 R)
• M21: 27,911,223 km (0.09 R)
• M22: 28,748,223 km (0.09 R)
• M23: 31,659,697 km (0.057 R)
• M24: 32,468,123 km (0.077 R)
• M25: 37,497,903 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 13.7

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.08 AU - 9.38 AU

Year: 9238 Days

Day: 6.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,857,620 km

• M1: 183,108 km (0.089 R)
• M2: 860,637 km (0.071 R)
• M3: 1,603,839 km (0.101 R)
• M4: 2,654,913 km (0.117 R)
• M5: 3,707,933 km (0.109 R)
• M6: 5,380,736 km (0.088 R)
• M7: 7,209,271 km (0.115 R)
• M8: 13,371,955 km (0.11 R)
• M9: 15,334,231 km (0.104 R)
• M10: 16,029,262 km (0.076 R)
• M11: 18,240,618 km (0.105 R)
• M12: 21,968,597 km (0.071 R)
• M13: 22,933,653 km (0.053 R)
• M14: 24,690,381 km (0.039 R)
• M15: 26,535,222 km (0.068 R)
• M16: 28,564,816 km (0.034 R)
• M17: 29,327,915 km (0.049 R)
• M18: 30,300,899 km (0.118 R)
• M19: 36,262,225 km (0.077 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.7

Radius: 11.9

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.63 AU - 10.21 AU

Year: 9542 Days

Day: 14.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,857,620 km

• M1: 147,952 km (0.097 R)
• M2: 699,520 km (0.056 R)
• M3: 1,540,260 km (0.113 R)
• M4: 2,114,267 km (0.094 R)
• M5: 2,706,824 km (0.099 R)
• M6: 3,250,911 km (0.063 R)
• M7: 4,320,237 km (0.108 R)
• M8: 5,388,366 km (0.107 R)
• M9: 7,043,816 km (0.048 R)
• M10: 10,404,532 km (0.098 R)
• M11: 12,408,096 km (0.079 R)
• M12: 13,146,511 km (0.112 R)
• M13: 13,913,948 km (0.101 R)
• M14: 14,388,622 km (0.092 R)
• M15: 15,594,531 km (0.073 R)
• M16: 17,958,028 km (0.106 R)
• M17: 19,095,719 km (0.103 R)
• M18: 20,960,457 km (0.032 R)
• M19: 23,905,590 km (0.07 R)
• M20: 25,281,741 km (0.062 R)
• M21: 26,468,351 km (0.057 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 10,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit