🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.56 AU - 0.88 AU

Year: 231 Days

Day: 14.2 Hours

Environment

Temp: 123 °C

Axial Tilt: 43.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2 AU - 2.82 AU

Year: 1417 Days

Day: 12.7 Hours

Environment

Temp: -103 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.07 AU - 2.81 AU

Year: 1444 Days

Day: 23.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,725,762 km

• M1: 232,625 km (0.068 R)
• M2: 275,559 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.4

Radius: 11.6

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.03 AU - 7.95 AU

Year: 7764 Days

Day: 14.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,725,762 km

• M1: 145,409 km (0.092 R)
• M2: 606,320 km (0.073 R)
• M3: 1,202,468 km (0.086 R)
• M4: 1,579,454 km (0.113 R)
• M5: 2,359,906 km (0.057 R)
• M6: 3,475,159 km (0.116 R)
• M7: 4,258,453 km (0.078 R)
• M8: 4,823,783 km (0.09 R)
• M9: 5,535,570 km (0.106 R)
• M10: 7,168,132 km (0.087 R)
• M11: 7,970,126 km (0.056 R)
• M12: 8,479,507 km (0.108 R)
• M13: 9,284,044 km (0.097 R)
• M14: 10,686,673 km (0.057 R)
• M15: 11,201,739 km (0.069 R)
• M16: 11,679,255 km (0.075 R)
• M17: 12,060,132 km (0.053 R)
• M18: 14,151,659 km (0.113 R)
• M19: 15,090,835 km (0.093 R)
• M20: 16,204,890 km (0.087 R)
• M21: 16,610,749 km (0.098 R)
• M22: 18,013,528 km (0.094 R)
• M23: 26,416,590 km (0.063 R)
• M24: 30,732,639 km (0.092 R)
• M25: 31,880,952 km (0.085 R)
• M26: 33,165,998 km (0.041 R)
• M27: 34,596,752 km (0.048 R)
• M28: 37,581,079 km (0.102 R)
• M29: 38,173,936 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.4

Radius: 13.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 10.2 AU - 11.88 AU

Year: 13893 Days

Day: 14.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,725,762 km

• M1: 170,691 km (0.081 R)
• M2: 721,361 km (0.098 R)
• M3: 1,611,019 km (0.09 R)
• M4: 2,467,168 km (0.107 R)
• M5: 2,895,616 km (0.08 R)
• M6: 5,170,102 km (0.092 R)
• M7: 5,713,442 km (0.1 R)
• M8: 10,351,275 km (0.089 R)
• M9: 11,009,506 km (0.114 R)
• M10: 11,641,706 km (0.095 R)
• M11: 12,522,389 km (0.088 R)
• M12: 15,957,754 km (0.06 R)
• M13: 23,231,801 km (0.042 R)
• M14: 31,816,475 km (0.104 R)
• M15: 36,116,367 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 10,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit