🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.6

Radius: 11.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.65 AU - 0.75 AU

Year: 404 Days

Day: 6.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,231,749 km

• M1: 147,952 km (0.036 R)
• M2: 521,797 km (0.087 R)
• M3: 918,980 km (0.053 R)
• M4: 1,438,683 km (0.083 R)
• M5: 2,304,555 km (0.089 R)
• M6: 3,546,367 km (0.113 R)
• M7: 4,379,627 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.1

Radius: 13.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.8 AU - 4.22 AU

Year: 5543 Days

Day: 11.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,231,749 km

• M1: 169,794 km (0.091 R)
• M2: 636,689 km (0.056 R)
• M3: 1,112,859 km (0.11 R)
• M4: 2,312,334 km (0.071 R)
• M5: 3,305,215 km (0.095 R)
• M6: 4,189,937 km (0.084 R)
• M7: 6,480,281 km (0.03 R)
• M8: 11,674,767 km (0.099 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.2

Radius: 7.1

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.59 AU - 6.85 AU

Year: 9443 Days

Day: 19.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,231,749 km

• M1: 88,263 km (0.079 R)
• M2: 396,584 km (0.09 R)
• M3: 848,968 km (0.032 R)
• M4: 1,196,334 km (0.049 R)
• M5: 1,433,896 km (0.082 R)
• M6: 2,260,723 km (0.086 R)
• M7: 2,646,386 km (0.114 R)
• M8: 4,864,025 km (0.108 R)
• M9: 5,914,053 km (0.097 R)
• M10: 6,475,344 km (0.104 R)
• M11: 9,559,005 km (0.11 R)
• M12: 10,331,528 km (0.114 R)
• M13: 10,756,835 km (0.071 R)
• M14: 14,474,492 km (0.048 R)
• M15: 18,689,711 km (0.104 R)
• M16: 19,038,872 km (0.109 R)
• M17: 21,913,844 km (0.12 R)
• M18: 25,576,150 km (0.059 R)
• M19: 31,262,065 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.2

Radius: 3.6

Gravity: 16.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.65 AU - 7.21 AU

Year: 12592 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,231,749 km

• M1: 59,690 km (0.11 R)
• M2: 256,560 km (0.112 R)
• M3: 398,379 km (0.059 R)
• M4: 976,126 km (0.042 R)
• M5: 1,355,656 km (0.112 R)
• M6: 1,668,016 km (0.108 R)
• M7: 1,811,630 km (0.079 R)
• M8: 2,715,351 km (0.048 R)
• M9: 3,017,838 km (0.12 R)
• M10: 4,267,878 km (0.082 R)
• M11: 8,755,215 km (0.033 R)
• M12: 9,101,834 km (0.11 R)
• M13: 9,776,370 km (0.066 R)
• M14: 17,478,417 km (0.028 R)
• M15: 18,587,835 km (0.104 R)
• M16: 20,565,219 km (0.112 R)
• M17: 23,579,168 km (0.074 R)
• M18: 28,726,681 km (0.111 R)
• M19: 29,394,336 km (0.06 R)
• M20: 31,359,154 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 19,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit