🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.51 AU - 0.55 AU

Year: 245 Days

Day: 22.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562

Radius: 8.3

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.76 AU - 1.1 AU

Year: 570 Days

Day: 6 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,334,659 km

• M1: 103,223 km (0.088 R)
• M2: 365,019 km (0.079 R)
• M3: 711,637 km (0.104 R)
• M4: 1,246,449 km (0.091 R)
• M5: 1,566,888 km (0.081 R)
• M6: 1,884,036 km (0.099 R)
• M7: 2,179,342 km (0.109 R)
• M8: 2,455,499 km (0.119 R)
• M9: 2,953,511 km (0.087 R)
• M10: 3,466,631 km (0.119 R)
• M11: 3,872,490 km (0.073 R)
• M12: 4,502,746 km (0.087 R)
• M13: 4,874,347 km (0.099 R)
• M14: 5,149,757 km (0.059 R)
• M15: 5,643,879 km (0.116 R)
• M16: 6,434,354 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563

Radius: 8.6

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.86 AU - 1.24 AU

Year: 684 Days

Day: 5.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,334,659 km

• M1: 106,962 km (0.086 R)
• M2: 484,996 km (0.066 R)
• M3: 846,574 km (0.074 R)
• M4: 1,178,233 km (0.049 R)
• M5: 1,521,710 km (0.077 R)
• M6: 2,011,493 km (0.118 R)
• M7: 2,592,232 km (0.104 R)
• M8: 3,255,250 km (0.119 R)
• M9: 3,812,801 km (0.04 R)
• M10: 4,159,120 km (0.072 R)
• M11: 5,612,613 km (0.074 R)
• M12: 6,821,962 km (0.115 R)
• M13: 7,246,820 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.5

Radius: 8.3

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.82 AU - 3.88 AU

Year: 4803 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,334,659 km

• M1: 103,522 km (0.065 R)
• M2: 597,045 km (0.094 R)
• M3: 905,067 km (0.091 R)
• M4: 1,195,287 km (0.113 R)
• M5: 1,984,416 km (0.103 R)
• M6: 2,500,678 km (0.047 R)
• M7: 3,557,138 km (0.078 R)
• M8: 3,868,302 km (0.043 R)
• M9: 4,648,455 km (0.093 R)
• M10: 5,242,807 km (0.107 R)
• M11: 5,917,493 km (0.119 R)
• M12: 6,228,358 km (0.088 R)
• M13: 6,681,938 km (0.09 R)
• M14: 7,297,235 km (0.09 R)
• M15: 8,522,740 km (0.097 R)
• M16: 9,923,425 km (0.065 R)
• M17: 12,252,814 km (0.068 R)
• M18: 12,965,348 km (0.095 R)
• M19: 13,490,886 km (0.08 R)
• M20: 16,153,728 km (0.098 R)
• M21: 16,517,101 km (0.073 R)
• M22: 17,010,175 km (0.046 R)
• M23: 18,416,545 km (0.102 R)
• M24: 18,879,850 km (0.112 R)
• M25: 20,954,174 km (0.115 R)
• M26: 25,713,780 km (0.064 R)
• M27: 30,132,452 km (0.086 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 13,763 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit