🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.45 AU - 0.57 AU

Year: 129 Days

Day: 44.8 Hours

Environment

Temp: 255 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.5 AU - 0.58 AU

Year: 141 Days

Day: 14.1 Hours

Environment

Temp: 228 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 25,868,268 km

• M1: 298,149 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.49 AU - 0.65 AU

Year: 153 Days

Day: 41.3 Hours

Environment

Temp: 191 °C

Axial Tilt: 23.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.95 AU - 2.97 AU

Year: 1369 Days

Day: 40.3 Hours

Environment

Temp: -83 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.58 AU - 3.8 AU

Year: 2021 Days

Day: 29.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.79 AU - 5.21 AU

Year: 3387 Days

Day: 43.9 Hours

Environment

Temp: -117 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.5

Radius: 14.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.42 AU - 5.88 AU

Year: 4764 Days

Day: 12.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,868,268 km

• M1: 197,469 km (0.073 R)
• M2: 852,259 km (0.113 R)
• M3: 1,545,047 km (0.059 R)
• M4: 2,362,599 km (0.09 R)
• M5: 3,618,174 km (0.033 R)
• M6: 5,068,525 km (0.067 R)
• M7: 5,896,998 km (0.073 R)
• M8: 6,846,347 km (0.063 R)
• M9: 7,408,835 km (0.114 R)
• M10: 9,484,355 km (0.09 R)
• M11: 10,227,258 km (0.079 R)
• M12: 11,782,927 km (0.119 R)
• M13: 12,937,523 km (0.051 R)
• M14: 15,583,909 km (0.037 R)
• M15: 16,327,261 km (0.119 R)
• M16: 17,094,100 km (0.106 R)
• M17: 18,195,589 km (0.059 R)
• M18: 18,763,762 km (0.1 R)
• M19: 21,017,902 km (0.113 R)
• M20: 23,152,365 km (0.103 R)
• M21: 27,848,691 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244

Radius: 9.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.59 AU - 7.87 AU

Year: 6194 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,868,268 km

• M1: 117,734 km (0.069 R)
• M2: 716,125 km (0.095 R)
• M3: 1,392,008 km (0.103 R)
• M4: 2,195,798 km (0.067 R)
• M5: 2,508,607 km (0.083 R)
• M6: 3,115,376 km (0.073 R)
• M7: 3,795,896 km (0.054 R)
• M8: 5,163,520 km (0.094 R)
• M9: 6,588,589 km (0.101 R)
• M10: 7,707,731 km (0.116 R)
• M11: 10,860,955 km (0.118 R)
• M12: 12,416,922 km (0.091 R)
• M13: 13,418,929 km (0.101 R)
• M14: 13,964,812 km (0.09 R)
• M15: 14,268,795 km (0.079 R)
• M16: 19,691,119 km (0.091 R)
• M17: 22,404,974 km (0.05 R)
• M18: 23,032,387 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.5

Radius: 13

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.05 AU - 9.15 AU

Year: 8947 Days

Day: 12.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,868,268 km

• M1: 161,715 km (0.073 R)
• M2: 598,092 km (0.086 R)
• M3: 1,003,951 km (0.081 R)
• M4: 1,617,303 km (0.105 R)
• M5: 2,292,288 km (0.088 R)
• M6: 2,916,710 km (0.116 R)
• M7: 3,632,236 km (0.108 R)
• M8: 4,345,968 km (0.104 R)
• M9: 4,798,202 km (0.074 R)
• M10: 5,495,179 km (0.075 R)
• M11: 6,083,098 km (0.109 R)
• M12: 6,900,501 km (0.113 R)
• M13: 7,552,149 km (0.071 R)
• M14: 7,962,646 km (0.099 R)
• M15: 9,362,284 km (0.055 R)
• M16: 10,620,850 km (0.1 R)
• M17: 13,078,145 km (0.067 R)
• M18: 13,571,818 km (0.052 R)
• M19: 14,913,561 km (0.102 R)
• M20: 15,616,821 km (0.039 R)
• M21: 21,309,319 km (0.065 R)
• M22: 25,561,040 km (0.058 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 13,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit