🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.54 AU - 0.64 AU

Year: 172 Days

Day: 28.6 Hours

Environment

Temp: 193 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.06 AU - 1.24 AU

Year: 467 Days

Day: 36.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.34 AU - 2.22 AU

Year: 899 Days

Day: 39.7 Hours

Environment

Temp: -68 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.7 AU - 1.96 AU

Year: 938 Days

Day: 25.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,655,618 km

• M1: 159,771 km (0.096 R)
• M2: 678,277 km (0.109 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.68 AU - 2.72 AU

Year: 1680 Days

Day: 42.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,655,618 km

• M1: 1,264,401 km (0.107 R)

Asteroid Belt

Center: 4.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.2

Radius: 11.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.03 AU - 5.95 AU

Year: 4872 Days

Day: 6.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,655,618 km

• M1: 147,803 km (0.11 R)
• M2: 1,116,150 km (0.097 R)
• M3: 1,492,688 km (0.05 R)
• M4: 2,113,220 km (0.11 R)
• M5: 2,883,200 km (0.044 R)
• M6: 3,361,913 km (0.114 R)
• M7: 4,712,782 km (0.047 R)
• M8: 5,201,518 km (0.087 R)
• M9: 6,997,740 km (0.109 R)
• M10: 8,173,579 km (0.082 R)
• M11: 9,325,632 km (0.097 R)
• M12: 9,862,389 km (0.078 R)
• M13: 10,541,863 km (0.096 R)
• M14: 12,722,252 km (0.055 R)
• M15: 21,111,252 km (0.094 R)
• M16: 22,853,768 km (0.106 R)
• M17: 23,408,626 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 14.3

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.29 AU - 9.85 AU

Year: 11213 Days

Day: 6.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,655,618 km

• M1: 178,769 km (0.097 R)
• M2: 660,325 km (0.105 R)
• M3: 1,227,151 km (0.089 R)
• M4: 1,896,153 km (0.097 R)
• M5: 3,123,155 km (0.108 R)
• M6: 7,088,994 km (0.111 R)
• M7: 8,429,092 km (0.056 R)
• M8: 10,252,989 km (0.119 R)
• M9: 12,450,432 km (0.103 R)
• M10: 16,460,553 km (0.093 R)
• M11: 19,043,510 km (0.069 R)
• M12: 20,217,105 km (0.064 R)
• M13: 24,220,194 km (0.065 R)
• M14: 30,154,443 km (0.099 R)
• M15: 31,172,456 km (0.032 R)
• M16: 33,999,108 km (0.09 R)
• M17: 34,486,348 km (0.072 R)
• M18: 36,102,155 km (0.113 R)
• M19: 39,083,491 km (0.118 R)
• M20: 39,752,792 km (0.076 R)
• M21: 55,131,902 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.7

Radius: 7.5

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 17.9 AU - 19.04 AU

Year: 30064 Days

Day: 17.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,655,618 km

• M1: 93,798 km (0.096 R)
• M2: 353,500 km (0.11 R)
• M3: 784,192 km (0.106 R)
• M4: 2,019,422 km (0.114 R)
• M5: 3,265,572 km (0.114 R)
• M6: 4,614,197 km (0.083 R)
• M7: 5,064,786 km (0.112 R)
• M8: 5,356,501 km (0.079 R)
• M9: 5,815,019 km (0.096 R)
• M10: 6,854,275 km (0.068 R)
• M11: 7,166,336 km (0.06 R)
• M12: 8,209,034 km (0.045 R)
• M13: 14,103,040 km (0.056 R)
• M14: 14,462,823 km (0.05 R)
• M15: 18,320,354 km (0.095 R)
• M16: 19,715,204 km (0.052 R)
• M17: 20,806,820 km (0.111 R)
• M18: 22,324,041 km (0.068 R)
• M19: 23,812,241 km (0.096 R)
• M20: 24,944,847 km (0.107 R)
• M21: 26,655,797 km (0.041 R)
• M22: 27,763,869 km (0.063 R)
• M23: 29,835,500 km (0.117 R)
• M24: 36,530,154 km (0.087 R)
• M25: 37,072,596 km (0.114 R)
• M26: 44,160,693 km (0.049 R)
• M27: 44,776,288 km (0.116 R)
• M28: 52,101,348 km (0.055 R)
• M29: 56,677,397 km (0.101 R)
• M30: 66,619,223 km (0.1 R)
• M31: 68,655,549 km (0.071 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 19,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit