🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.8 AU - 0.98 AU

Year: 304 Days

Day: 25.4 Hours

Environment

Temp: 109 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,227,103 km

• M1: 434,283 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.78 AU - 1.92 AU

Year: 910 Days

Day: 13.5 Hours

Environment

Temp: -63 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.66 AU - 2.08 AU

Year: 925 Days

Day: 33.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,227,103 km

• M1: 511,625 km (0.053 R)
• M2: 672,293 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.2

Radius: 8.2

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.69 AU - 6.55 AU

Year: 5475 Days

Day: 12 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,227,103 km

• M1: 102,175 km (0.068 R)
• M2: 550,371 km (0.118 R)
• M3: 1,067,830 km (0.077 R)
• M4: 2,167,823 km (0.093 R)
• M5: 2,517,583 km (0.082 R)
• M6: 2,849,690 km (0.096 R)
• M7: 4,095,691 km (0.065 R)
• M8: 5,699,828 km (0.116 R)
• M9: 6,151,165 km (0.096 R)
• M10: 6,822,710 km (0.102 R)
• M11: 7,296,935 km (0.066 R)
• M12: 9,416,737 km (0.109 R)
• M13: 9,876,751 km (0.095 R)
• M14: 10,978,240 km (0.083 R)
• M15: 13,112,253 km (0.087 R)
• M16: 16,150,437 km (0.11 R)
• M17: 16,992,822 km (0.101 R)
• M18: 17,674,988 km (0.075 R)
• M19: 19,293,189 km (0.042 R)
• M20: 23,575,428 km (0.11 R)
• M21: 26,263,103 km (0.111 R)
• M22: 27,511,348 km (0.028 R)
• M23: 28,624,805 km (0.095 R)
• M24: 29,590,010 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.53 AU - 9.83 AU

Year: 10892 Days

Day: 9 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,227,103 km

• M1: 111,899 km (0.112 R)
• M2: 634,744 km (0.094 R)
• M3: 924,814 km (0.112 R)
• M4: 1,306,289 km (0.085 R)
• M5: 1,861,895 km (0.101 R)
• M6: 2,163,036 km (0.071 R)
• M7: 3,597,230 km (0.116 R)
• M8: 3,899,119 km (0.089 R)
• M9: 4,217,912 km (0.108 R)
• M10: 4,688,248 km (0.112 R)
• M11: 5,580,150 km (0.114 R)
• M12: 6,822,560 km (0.092 R)
• M13: 9,755,427 km (0.083 R)
• M14: 11,448,127 km (0.114 R)
• M15: 12,468,833 km (0.117 R)
• M16: 13,001,401 km (0.115 R)
• M17: 13,604,580 km (0.086 R)
• M18: 15,104,598 km (0.087 R)
• M19: 16,840,083 km (0.062 R)
• M20: 21,223,600 km (0.103 R)
• M21: 22,447,160 km (0.116 R)
• M22: 22,760,269 km (0.095 R)
• M23: 25,034,306 km (0.083 R)
• M24: 25,967,797 km (0.03 R)
• M25: 28,084,607 km (0.074 R)
• M26: 30,889,268 km (0.081 R)
• M27: 31,569,489 km (0.114 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 17,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit