🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.85 AU - 0.97 AU

Year: 314 Days

Day: 29.7 Hours

Environment

Temp: 170 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.12 AU - 2.36 AU

Year: 1212 Days

Day: 34.8 Hours

Environment

Temp: -72 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.79 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 9.1

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.62 AU - 6.04 AU

Year: 4450 Days

Day: 5.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 65.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,883,437 km

• M1: 117,135 km (0.101 R)
• M2: 611,855 km (0.092 R)
• M3: 1,932,206 km (0.084 R)
• M4: 3,478,450 km (0.109 R)
• M5: 4,032,261 km (0.093 R)
• M6: 4,720,860 km (0.03 R)
• M7: 5,039,204 km (0.069 R)
• M8: 6,490,902 km (0.086 R)
• M9: 7,867,950 km (0.098 R)
• M10: 10,912,716 km (0.038 R)
• M11: 12,344,517 km (0.096 R)
• M12: 13,002,299 km (0.025 R)
• M13: 19,535,986 km (0.09 R)
• M14: 20,013,652 km (0.11 R)
• M15: 22,743,364 km (0.103 R)
• M16: 25,387,955 km (0.047 R)
• M17: 29,105,911 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.2

Radius: 10.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 12.04 AU - 12.76 AU

Year: 15791 Days

Day: 8.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,883,437 km

• M1: 131,347 km (0.111 R)
• M2: 574,755 km (0.108 R)
• M3: 1,281,755 km (0.056 R)
• M4: 1,949,709 km (0.08 R)
• M5: 2,353,324 km (0.112 R)
• M6: 2,835,927 km (0.109 R)
• M7: 3,227,724 km (0.111 R)
• M8: 4,274,460 km (0.043 R)
• M9: 4,725,049 km (0.027 R)
• M10: 6,109,876 km (0.118 R)
• M11: 7,936,317 km (0.088 R)
• M12: 8,420,116 km (0.11 R)
• M13: 10,962,083 km (0.108 R)
• M14: 12,698,765 km (0.084 R)
• M15: 13,977,079 km (0.119 R)
• M16: 14,327,287 km (0.086 R)
• M17: 17,586,127 km (0.037 R)
• M18: 20,851,250 km (0.097 R)
• M19: 22,055,214 km (0.085 R)
• M20: 22,722,421 km (0.068 R)
• M21: 25,945,357 km (0.112 R)
• M22: 27,120,149 km (0.08 R)
• M23: 27,886,090 km (0.063 R)
• M24: 28,218,646 km (0.117 R)
• M25: 30,387,217 km (0.118 R)
• M26: 35,831,233 km (0.096 R)
• M27: 40,317,225 km (0.119 R)
• M28: 46,550,519 km (0.056 R)
• M29: 48,763,072 km (0.116 R)
• M30: 51,210,642 km (0.092 R)
• M31: 53,910,285 km (0.116 R)
• M32: 58,497,405 km (0.105 R)
• M33: 62,009,664 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.7

Radius: 3.4

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 13.12 AU - 13.38 AU

Year: 17443 Days

Day: 19.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,883,437 km

• M1: 63,429 km (0.12 R)
• M2: 385,514 km (0.072 R)
• M3: 826,528 km (0.041 R)
• M4: 2,535,235 km (0.089 R)
• M5: 2,768,159 km (0.11 R)
• M6: 4,787,132 km (0.048 R)
• M7: 5,296,213 km (0.028 R)
• M8: 5,774,478 km (0.049 R)
• M9: 5,906,872 km (0.085 R)
• M10: 6,927,129 km (0.119 R)
• M11: 7,775,649 km (0.102 R)
• M12: 8,908,703 km (0.104 R)
• M13: 10,983,625 km (0.094 R)
• M14: 11,392,626 km (0.112 R)
• M15: 12,791,964 km (0.098 R)
• M16: 15,162,193 km (0.115 R)
• M17: 15,668,881 km (0.061 R)
• M18: 16,383,959 km (0.041 R)
• M19: 17,670,052 km (0.094 R)
• M20: 21,294,060 km (0.078 R)
• M21: 21,451,587 km (0.075 R)
• M22: 22,413,651 km (0.109 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 17,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit