🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.5 AU - 0.56 AU

Year: 136 Days

Day: 31.9 Hours

Environment

Temp: 282 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,030,950 km

• M1: 43,832 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.65 AU - 0.93 AU

Year: 247 Days

Day: 42.6 Hours

Environment

Temp: 199 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.24 AU - 1.28 AU

Year: 497 Days

Day: 35.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.49 AU - 1.77 AU

Year: 731 Days

Day: 16.4 Hours

Environment

Temp: -28 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,030,950 km

• M1: 706,401 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.18 AU - 3.36 AU

Year: 2078 Days

Day: 44.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.25 AU - 4.41 AU

Year: 2634 Days

Day: 30.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.8

Radius: 10.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.9 AU - 11.36 AU

Year: 9696 Days

Day: 9.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,030,950 km

• M1: 128,056 km (0.077 R)
• M2: 519,553 km (0.102 R)
• M3: 890,556 km (0.096 R)
• M4: 1,383,481 km (0.094 R)
• M5: 1,885,980 km (0.033 R)
• M6: 2,314,429 km (0.102 R)
• M7: 2,635,615 km (0.069 R)
• M8: 3,007,216 km (0.089 R)
• M9: 4,156,726 km (0.11 R)
• M10: 5,703,568 km (0.11 R)
• M11: 6,329,935 km (0.108 R)
• M12: 11,910,683 km (0.117 R)
• M13: 15,093,228 km (0.116 R)
• M14: 21,329,216 km (0.095 R)
• M15: 25,269,474 km (0.06 R)
• M16: 25,618,187 km (0.119 R)
• M17: 30,745,803 km (0.089 R)
• M18: 31,847,591 km (0.094 R)
• M19: 32,562,221 km (0.045 R)
• M20: 32,975,410 km (0.087 R)
• M21: 34,556,061 km (0.07 R)
• M22: 37,527,374 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.5

Radius: 10.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 9.52 AU - 13.4 AU

Year: 13635 Days

Day: 10.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,030,950 km

• M1: 173,085 km (0.079 R)
• M2: 514,916 km (0.118 R)
• M3: 894,745 km (0.117 R)
• M4: 1,313,021 km (0.031 R)
• M5: 2,449,964 km (0.106 R)
• M6: 3,179,553 km (0.119 R)
• M7: 6,709,016 km (0.093 R)
• M8: 8,132,589 km (0.118 R)
• M9: 12,366,658 km (0.118 R)
• M10: 17,124,019 km (0.093 R)
• M11: 18,659,193 km (0.095 R)
• M12: 19,831,891 km (0.08 R)
• M13: 25,017,402 km (0.085 R)
• M14: 33,105,859 km (0.069 R)
• M15: 36,371,730 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 12.8

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 9.67 AU - 16.05 AU

Year: 16208 Days

Day: 10 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,030,950 km

• M1: 159,172 km (0.071 R)
• M2: 561,890 km (0.112 R)
• M3: 1,157,588 km (0.097 R)
• M4: 1,587,981 km (0.107 R)
• M5: 2,215,993 km (0.081 R)
• M6: 2,960,841 km (0.096 R)
• M7: 3,479,048 km (0.08 R)
• M8: 4,226,140 km (0.11 R)
• M9: 5,341,093 km (0.115 R)
• M10: 6,336,816 km (0.109 R)
• M11: 8,057,940 km (0.09 R)
• M12: 10,123,737 km (0.117 R)
• M13: 12,166,196 km (0.104 R)
• M14: 12,884,117 km (0.088 R)
• M15: 15,004,367 km (0.116 R)
• M16: 16,397,423 km (0.057 R)
• M17: 20,755,657 km (0.114 R)
• M18: 21,264,141 km (0.06 R)
• M19: 25,347,414 km (0.093 R)
• M20: 30,575,561 km (0.08 R)
• M21: 31,790,595 km (0.054 R)
• M22: 32,466,777 km (0.047 R)
• M23: 34,671,401 km (0.098 R)
• M24: 35,749,852 km (0.077 R)
• M25: 47,063,191 km (0.047 R)
• M26: 50,185,897 km (0.074 R)
• M27: 50,949,295 km (0.12 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 14,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit