🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.49 AU - 0.81 AU

Year: 191 Days

Day: 39.9 Hours

Environment

Temp: 217 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,707,088 km

• M1: 39,045 km (0.028 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.64 AU - 3.08 AU

Year: 1767 Days

Day: 39.7 Hours

Environment

Temp: -89 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.94 AU - 3.72 AU

Year: 2220 Days

Day: 13.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 20,707,088 km

• M1: 1,075,010 km (0.06 R)
• M2: 1,356,404 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50

Radius: 10.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.84 AU - 10.94 AU

Year: 10510 Days

Day: 6.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 155.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 20,707,088 km

• M1: 310,416 km (0.089 R)
• M2: 636,838 km (0.114 R)
• M3: 817,104 km (0.058 R)
• M4: 1,159,084 km (0.081 R)
• M5: 1,334,413 km (0.106 R)
• M6: 1,569,431 km (0.06 R)
• M7: 1,646,474 km (0.101 R)
• M8: 2,337,916 km (0.102 R)
• M9: 3,030,254 km (0.119 R)
• M10: 3,424,295 km (0.098 R)
• M11: 3,542,328 km (0.076 R)
• M12: 3,782,582 km (0.081 R)
• M13: 3,852,295 km (0.082 R)
• M14: 4,063,826 km (0.093 R)
• M15: 4,135,184 km (0.111 R)
• M16: 4,224,943 km (0.056 R)
• M17: 4,852,955 km (0.102 R)
• M18: 5,119,987 km (0.078 R)
• M19: 5,929,910 km (0.047 R)
• M20: 6,031,337 km (0.06 R)
• M21: 6,673,711 km (0.12 R)
• M22: 6,758,084 km (0.073 R)
• M23: 6,992,354 km (0.1 R)
• M24: 7,933,175 km (0.118 R)
• M25: 8,225,489 km (0.044 R)
• M26: 8,636,135 km (0.063 R)
• M27: 8,774,364 km (0.063 R)
• M28: 8,843,927 km (0.101 R)
• M29: 9,100,188 km (0.06 R)
• M30: 9,883,632 km (0.107 R)
• M31: 10,713,302 km (0.114 R)
• M32: 11,463,984 km (0.116 R)
• M33: 11,973,814 km (0.063 R)
• M34: 12,543,333 km (0.11 R)
• M35: 13,068,571 km (0.107 R)
• M36: 13,951,198 km (0.082 R)
• M37: 14,385,930 km (0.092 R)
• M38: 15,018,878 km (0.078 R)
• M39: 16,254,856 km (0.074 R)
• M40: 16,683,603 km (0.096 R)
• M41: 16,884,962 km (0.063 R)
• M42: 17,087,218 km (0.052 R)
• M43: 17,581,490 km (0.093 R)
• M44: 17,698,625 km (0.073 R)
• M45: 17,786,439 km (0.05 R)
• M46: 17,962,815 km (0.118 R)
• M47: 18,169,260 km (0.072 R)
• M48: 18,376,453 km (0.094 R)
• M49: 19,153,015 km (0.073 R)
• M50: 19,545,261 km (0.081 R)
• M51: 19,848,795 km (0.115 R)
• M52: 20,707,038 km (0.082 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 18,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit