🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.51 AU - 0.59 AU

Year: 268 Days

Day: 15 Hours

Environment

Temp: -130 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 12.1

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.68 AU - 0.94 AU

Year: 478 Days

Day: 11.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 97.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,480,380 km

• M1: 150,495 km (0.096 R)
• M2: 690,245 km (0.114 R)
• M3: 1,099,096 km (0.116 R)
• M4: 1,535,921 km (0.078 R)
• M5: 2,090,032 km (0.102 R)
• M6: 2,630,529 km (0.08 R)
• M7: 3,090,692 km (0.056 R)
• M8: 3,651,834 km (0.112 R)
• M9: 4,373,643 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.8

Radius: 11.3

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.47 AU - 1.95 AU

Year: 1467 Days

Day: 12.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,480,380 km

• M1: 140,622 km (0.087 R)
• M2: 561,890 km (0.104 R)
• M3: 934,388 km (0.039 R)
• M4: 1,531,583 km (0.104 R)
• M5: 2,230,055 km (0.119 R)
• M6: 2,833,384 km (0.052 R)
• M7: 3,204,087 km (0.105 R)
• M8: 3,558,933 km (0.083 R)
• M9: 4,330,709 km (0.11 R)
• M10: 4,707,995 km (0.114 R)
• M11: 5,210,494 km (0.107 R)
• M12: 6,936,704 km (0.066 R)
• M13: 7,349,444 km (0.078 R)
• M14: 7,916,271 km (0.119 R)
• M15: 9,476,876 km (0.113 R)
• M16: 10,018,569 km (0.026 R)
• M17: 10,749,953 km (0.106 R)
• M18: 11,128,735 km (0.104 R)
• M19: 11,480,889 km (0.06 R)
• M20: 11,876,874 km (0.104 R)
• M21: 12,319,235 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.9

Radius: 14.3

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.3 AU - 6.08 AU

Year: 7756 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,480,380 km

• M1: 178,021 km (0.118 R)
• M2: 686,953 km (0.07 R)
• M3: 1,595,611 km (0.079 R)
• M4: 2,684,833 km (0.076 R)
• M5: 3,672,179 km (0.12 R)
• M6: 4,438,718 km (0.082 R)
• M7: 4,948,398 km (0.043 R)
• M8: 6,326,793 km (0.067 R)
• M9: 7,012,101 km (0.045 R)
• M10: 7,907,594 km (0.096 R)
• M11: 8,834,203 km (0.079 R)
• M12: 9,738,373 km (0.114 R)
• M13: 11,625,550 km (0.043 R)
• M14: 13,279,653 km (0.101 R)
• M15: 13,746,100 km (0.114 R)
• M16: 16,311,404 km (0.086 R)
• M17: 17,187,449 km (0.111 R)
• M18: 17,742,158 km (0.034 R)
• M19: 20,310,454 km (0.092 R)
• M20: 25,542,789 km (0.111 R)
• M21: 32,339,619 km (0.092 R)
• M22: 33,722,352 km (0.108 R)
• M23: 34,812,621 km (0.085 R)
• M24: 36,833,988 km (0.116 R)
• M25: 37,640,919 km (0.062 R)
• M26: 40,864,005 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 12,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit