🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.9 AU - 1.44 AU

Year: 455 Days

Day: 12 Hours

Environment

Temp: 1 °C

Axial Tilt: 35.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 69,677,192 km

• M1: 222,452 km (0.059 R)
• M2: 1,010,534 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.36 AU - 1.76 AU

Year: 701 Days

Day: 35.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.21 AU - 4.51 AU

Year: 2729 Days

Day: 24.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120

Radius: 9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.02 AU - 6.72 AU

Year: 5118 Days

Day: 9.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,677,192 km

• M1: 359,633 km (0.049 R)
• M2: 724,652 km (0.109 R)
• M3: 1,032,824 km (0.095 R)
• M4: 1,916,199 km (0.107 R)
• M5: 4,354,794 km (0.033 R)
• M6: 5,567,883 km (0.059 R)
• M7: 6,239,877 km (0.118 R)
• M8: 8,613,995 km (0.078 R)
• M9: 10,002,114 km (0.101 R)
• M10: 13,431,346 km (0.067 R)
• M11: 15,817,282 km (0.077 R)
• M12: 16,654,881 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.3

Radius: 3.5

Gravity: 28.27 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 13.84 AU - 19.64 AU

Year: 24649 Days

Day: 18.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,677,192 km

• M1: 43,533 km (0.086 R)
• M2: 238,758 km (0.099 R)
• M3: 397,781 km (0.08 R)
• M4: 1,475,933 km (0.111 R)
• M5: 1,795,025 km (0.041 R)
• M6: 2,500,678 km (0.115 R)
• M7: 3,570,752 km (0.099 R)
• M8: 3,686,391 km (0.105 R)
• M9: 3,986,334 km (0.085 R)
• M10: 6,056,470 km (0.119 R)
• M11: 7,792,703 km (0.077 R)
• M12: 8,592,004 km (0.067 R)
• M13: 8,852,604 km (0.102 R)
• M14: 10,587,490 km (0.092 R)
• M15: 12,736,613 km (0.111 R)
• M16: 13,700,323 km (0.107 R)
• M17: 14,417,644 km (0.108 R)
• M18: 14,564,101 km (0.061 R)
• M19: 18,990,702 km (0.056 R)
• M20: 22,621,741 km (0.074 R)
• M21: 25,177,322 km (0.09 R)
• M22: 26,360,342 km (0.103 R)
• M23: 32,582,566 km (0.108 R)
• M24: 37,324,519 km (0.084 R)
• M25: 39,286,346 km (0.091 R)
• M26: 40,003,219 km (0.06 R)
• M27: 41,315,641 km (0.119 R)
• M28: 42,506,141 km (0.091 R)
• M29: 45,267,867 km (0.082 R)
• M30: 47,013,225 km (0.104 R)
• M31: 47,658,890 km (0.082 R)
• M32: 48,310,388 km (0.069 R)
• M33: 56,053,873 km (0.106 R)
• M34: 56,416,050 km (0.114 R)
• M35: 61,843,610 km (0.069 R)
• M36: 62,813,304 km (0.1 R)
• M37: 69,052,432 km (0.081 R)
• M38: 69,677,153 km (0.07 R)

Kuiper Belt

Range: 30.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 17,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit