🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.98 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.95 AU - 1.95 AU

Year: 1031 Days

Day: 42.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.6 AU - 2.78 AU

Year: 1671 Days

Day: 36.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 101,139,612 km

• M1: 43,383 km (0.113 R)
• M2: 175,777 km (0.106 R)

Planet 3 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.6

Radius: 5.1

Gravity: 15.02 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 10.49 AU - 16.79 AU

Year: 19080 Days

Day: 24 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 101,139,612 km

• M1: 63,579 km (0.055 R)
• M2: 425,606 km (0.106 R)
• M3: 3,362,511 km (0.111 R)
• M4: 3,603,813 km (0.116 R)
• M5: 6,086,689 km (0.094 R)
• M6: 9,842,792 km (0.069 R)
• M7: 12,736,314 km (0.119 R)
• M8: 13,060,193 km (0.116 R)
• M9: 14,480,475 km (0.106 R)
• M10: 15,703,288 km (0.104 R)
• M11: 33,496,010 km (0.106 R)
• M12: 34,988,997 km (0.115 R)
• M13: 35,369,125 km (0.056 R)
• M14: 36,137,610 km (0.109 R)
• M15: 40,843,211 km (0.094 R)
• M16: 47,009,186 km (0.087 R)
• M17: 52,268,000 km (0.038 R)
• M18: 59,330,815 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624

Radius: 3.1

Gravity: 64.93 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 15.98 AU - 22.62 AU

Year: 32113 Days

Day: 15.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 101,139,612 km

• M1: 45,478 km (0.062 R)
• M2: 245,640 km (0.118 R)
• M3: 452,683 km (0.055 R)
• M4: 896,839 km (0.088 R)
• M5: 1,714,990 km (0.118 R)
• M6: 1,877,752 km (0.103 R)
• M7: 2,935,409 km (0.084 R)
• M8: 3,228,771 km (0.056 R)
• M9: 4,410,594 km (0.105 R)
• M10: 4,954,831 km (0.038 R)
• M11: 5,542,452 km (0.11 R)
• M12: 8,592,154 km (0.115 R)
• M13: 9,943,621 km (0.116 R)
• M14: 10,669,769 km (0.115 R)
• M15: 11,011,151 km (0.112 R)
• M16: 18,370,319 km (0.102 R)
• M17: 25,925,311 km (0.067 R)
• M18: 29,236,959 km (0.077 R)
• M19: 30,310,025 km (0.075 R)
• M20: 32,250,608 km (0.075 R)
• M21: 33,686,299 km (0.083 R)
• M22: 35,464,569 km (0.077 R)
• M23: 46,917,632 km (0.09 R)
• M24: 48,201,032 km (0.106 R)
• M25: 48,386,234 km (0.026 R)
• M26: 48,572,035 km (0.076 R)
• M27: 52,582,604 km (0.104 R)
• M28: 56,602,150 km (0.029 R)
• M29: 57,015,040 km (0.106 R)
• M30: 58,475,863 km (0.087 R)
• M31: 70,117,120 km (0.093 R)
• M32: 77,488,107 km (0.069 R)
• M33: 78,508,364 km (0.049 R)
• M34: 89,486,305 km (0.119 R)
• M35: 91,741,193 km (0.078 R)
• M36: 92,882,625 km (0.103 R)
• M37: 101,139,680 km (0.097 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 12,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit