🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.22 AU - 1.8 AU

Year: 658 Days

Day: 21.8 Hours

Environment

Temp: -11 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.4 AU - 2.08 AU

Year: 814 Days

Day: 28.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 128.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.7 AU - 2.18 AU

Year: 959 Days

Day: 30.3 Hours

Environment

Temp: -60 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,503,391 km

• M1: 109,954 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.89 AU - 2.05 AU

Year: 981 Days

Day: 24.4 Hours

Environment

Temp: -45 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,503,391 km

• M1: 26,778 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.6 AU - 4.94 AU

Year: 3130 Days

Day: 47.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 150.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.5

Radius: 11.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.46 AU - 6.9 AU

Year: 5450 Days

Day: 5.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,503,391 km

• M1: 145,708 km (0.11 R)
• M2: 992,582 km (0.102 R)
• M3: 1,572,274 km (0.106 R)
• M4: 2,401,195 km (0.097 R)
• M5: 2,896,664 km (0.066 R)
• M6: 3,337,528 km (0.084 R)
• M7: 3,980,201 km (0.094 R)
• M8: 4,527,430 km (0.085 R)
• M9: 5,316,260 km (0.101 R)
• M10: 5,802,602 km (0.08 R)
• M11: 7,407,787 km (0.099 R)
• M12: 10,876,513 km (0.092 R)
• M13: 11,241,831 km (0.07 R)
• M14: 12,093,941 km (0.098 R)
• M15: 14,087,332 km (0.067 R)
• M16: 15,821,321 km (0.088 R)
• M17: 17,945,461 km (0.115 R)
• M18: 22,752,191 km (0.12 R)
• M19: 23,883,599 km (0.115 R)
• M20: 24,736,906 km (0.082 R)
• M21: 26,176,785 km (0.051 R)
• M22: 27,000,620 km (0.066 R)
• M23: 27,672,016 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 10.5

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.74 AU - 8.28 AU

Year: 8042 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,503,391 km

• M1: 130,599 km (0.095 R)
• M2: 462,557 km (0.107 R)
• M3: 1,005,746 km (0.118 R)
• M4: 1,352,963 km (0.05 R)
• M5: 1,754,933 km (0.113 R)
• M6: 2,220,780 km (0.05 R)
• M7: 4,331,307 km (0.051 R)
• M8: 4,964,405 km (0.115 R)
• M9: 8,208,136 km (0.096 R)
• M10: 8,724,398 km (0.077 R)
• M11: 9,389,510 km (0.118 R)
• M12: 10,680,690 km (0.06 R)
• M13: 11,441,844 km (0.096 R)
• M14: 12,238,901 km (0.072 R)
• M15: 12,598,983 km (0.12 R)
• M16: 13,612,359 km (0.089 R)
• M17: 14,679,291 km (0.041 R)
• M18: 15,262,723 km (0.046 R)
• M19: 16,105,408 km (0.065 R)
• M20: 17,234,123 km (0.031 R)
• M21: 19,578,621 km (0.086 R)
• M22: 28,771,410 km (0.112 R)
• M23: 31,188,014 km (0.106 R)
• M24: 31,764,265 km (0.059 R)
• M25: 32,642,106 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.4

Radius: 8

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 10.31 AU - 16.65 AU

Year: 17558 Days

Day: 20.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 179.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,503,391 km

• M1: 99,632 km (0.077 R)
• M2: 684,560 km (0.09 R)
• M3: 1,390,512 km (0.114 R)
• M4: 1,790,836 km (0.103 R)
• M5: 2,346,592 km (0.044 R)
• M6: 2,709,666 km (0.072 R)
• M7: 3,012,303 km (0.11 R)
• M8: 3,770,016 km (0.055 R)
• M9: 4,616,291 km (0.09 R)
• M10: 7,148,085 km (0.068 R)
• M11: 9,241,109 km (0.08 R)
• M12: 9,555,115 km (0.079 R)
• M13: 10,149,318 km (0.066 R)
• M14: 11,411,326 km (0.109 R)
• M15: 13,230,585 km (0.112 R)
• M16: 13,495,822 km (0.109 R)
• M17: 16,045,718 km (0.094 R)
• M18: 18,320,503 km (0.06 R)
• M19: 19,492,154 km (0.096 R)
• M20: 21,615,546 km (0.109 R)
• M21: 21,983,856 km (0.072 R)
• M22: 23,209,960 km (0.107 R)
• M23: 24,084,958 km (0.09 R)
• M24: 24,480,794 km (0.094 R)
• M25: 25,285,630 km (0.117 R)
• M26: 29,689,493 km (0.042 R)
• M27: 30,374,052 km (0.045 R)
• M28: 32,131,528 km (0.114 R)
• M29: 35,463,821 km (0.042 R)
• M30: 36,885,150 km (0.117 R)
• M31: 37,543,530 km (0.103 R)
• M32: 41,376,527 km (0.118 R)
• M33: 50,130,246 km (0.074 R)
• M34: 57,892,282 km (0.09 R)
• M35: 59,499,262 km (0.094 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 11,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit