🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.44 AU - 0.68 AU

Year: 151 Days

Day: 32.6 Hours

Environment

Temp: 229 °C

Axial Tilt: 27.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.24 AU - 1.26 AU

Year: 503 Days

Day: 37.8 Hours

Environment

Temp: -2 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.51 AU - 1.59 AU

Year: 694 Days

Day: 37.5 Hours

Environment

Temp: -34 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 102,379,394 km

• M1: 44,879 km (0.066 R)

Asteroid Belt

Center: 3.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.9

Radius: 8.9

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.08 AU - 6.24 AU

Year: 4218 Days

Day: 8.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 102,379,394 km

• M1: 110,852 km (0.114 R)
• M2: 600,037 km (0.115 R)
• M3: 1,018,014 km (0.116 R)
• M4: 1,681,929 km (0.089 R)
• M5: 2,476,294 km (0.064 R)
• M6: 3,487,575 km (0.092 R)
• M7: 3,889,545 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.5

Radius: 12.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.65 AU - 5.77 AU

Year: 4280 Days

Day: 13 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 102,379,394 km

• M1: 158,275 km (0.072 R)
• M2: 623,075 km (0.116 R)
• M3: 1,352,664 km (0.061 R)
• M4: 2,255,487 km (0.034 R)
• M5: 3,075,134 km (0.113 R)
• M6: 4,655,037 km (0.068 R)
• M7: 5,506,847 km (0.111 R)
• M8: 7,745,430 km (0.081 R)
• M9: 12,088,854 km (0.118 R)
• M10: 12,852,103 km (0.1 R)
• M11: 14,574,423 km (0.049 R)
• M12: 16,554,351 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.9

Radius: 3.6

Gravity: 73.83 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 9.96 AU - 15.6 AU

Year: 16443 Days

Day: 22.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 102,379,394 km

• M1: 45,927 km (0.089 R)
• M2: 281,693 km (0.025 R)
• M3: 411,245 km (0.095 R)
• M4: 850,015 km (0.111 R)
• M5: 1,155,344 km (0.071 R)
• M6: 1,448,855 km (0.105 R)
• M7: 1,902,137 km (0.088 R)
• M8: 2,354,371 km (0.076 R)
• M9: 3,002,878 km (0.114 R)
• M10: 3,732,317 km (0.061 R)
• M11: 5,493,234 km (0.04 R)
• M12: 9,482,261 km (0.058 R)
• M13: 9,709,650 km (0.119 R)
• M14: 9,824,691 km (0.115 R)
• M15: 10,963,579 km (0.098 R)
• M16: 15,288,454 km (0.097 R)
• M17: 20,532,009 km (0.086 R)
• M18: 20,912,586 km (0.098 R)
• M19: 22,181,923 km (0.081 R)
• M20: 26,296,463 km (0.096 R)
• M21: 34,636,096 km (0.109 R)
• M22: 41,934,228 km (0.099 R)
• M23: 44,577,473 km (0.086 R)
• M24: 50,537,302 km (0.111 R)
• M25: 52,105,986 km (0.114 R)
• M26: 67,710,689 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.1

Radius: 6.2

Gravity: 24.72 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 13.2 AU - 21.94 AU

Year: 26505 Days

Day: 17.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 102,379,394 km

• M1: 77,193 km (0.077 R)
• M2: 654,042 km (0.09 R)
• M3: 958,474 km (0.102 R)
• M4: 1,675,646 km (0.077 R)
• M5: 2,520,874 km (0.085 R)
• M6: 4,890,055 km (0.105 R)
• M7: 5,824,593 km (0.103 R)
• M8: 8,324,822 km (0.094 R)
• M9: 8,791,568 km (0.052 R)
• M10: 9,650,259 km (0.117 R)
• M11: 14,214,042 km (0.08 R)
• M12: 14,544,803 km (0.104 R)
• M13: 16,456,065 km (0.11 R)
• M14: 17,471,685 km (0.102 R)
• M15: 21,087,914 km (0.098 R)
• M16: 21,518,158 km (0.115 R)
• M17: 23,070,086 km (0.085 R)
• M18: 24,933,627 km (0.12 R)
• M19: 32,102,506 km (0.118 R)
• M20: 36,537,784 km (0.031 R)
• M21: 38,580,244 km (0.042 R)
• M22: 43,582,048 km (0.071 R)
• M23: 46,963,708 km (0.071 R)
• M24: 48,811,840 km (0.074 R)
• M25: 49,187,181 km (0.048 R)
• M26: 50,133,986 km (0.092 R)
• M27: 51,868,873 km (0.038 R)
• M28: 52,259,772 km (0.115 R)
• M29: 54,646,307 km (0.119 R)
• M30: 68,611,717 km (0.046 R)
• M31: 77,423,630 km (0.051 R)
• M32: 77,678,545 km (0.116 R)
• M33: 80,782,252 km (0.091 R)
• M34: 81,044,497 km (0.116 R)
• M35: 81,570,932 km (0.101 R)
• M36: 84,506,491 km (0.082 R)
• M37: 88,343,676 km (0.061 R)
• M38: 90,305,054 km (0.075 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 13,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit