🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.59 AU - 0.81 AU

Year: 219 Days

Day: 23.3 Hours

Environment

Temp: 130 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,504,402 km

• M1: 59,989 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1 AU - 1.64 AU

Year: 568 Days

Day: 39.4 Hours

Environment

Temp: -25 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580

Radius: 12.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.01 AU - 10.01 AU

Year: 8495 Days

Day: 13.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,504,402 km

• M1: 160,668 km (0.115 R)
• M2: 671,694 km (0.107 R)
• M3: 1,751,641 km (0.037 R)
• M4: 2,161,988 km (0.079 R)
• M5: 3,403,052 km (0.031 R)
• M6: 5,533,625 km (0.1 R)
• M7: 6,259,624 km (0.11 R)
• M8: 6,936,853 km (0.105 R)
• M9: 7,662,553 km (0.108 R)
• M10: 10,730,506 km (0.081 R)
• M11: 11,860,418 km (0.114 R)
• M12: 12,344,966 km (0.085 R)
• M13: 15,599,019 km (0.089 R)
• M14: 16,246,778 km (0.109 R)
• M15: 17,944,713 km (0.105 R)
• M16: 19,460,289 km (0.081 R)
• M17: 20,363,711 km (0.083 R)
• M18: 21,770,978 km (0.119 R)
• M19: 22,416,792 km (0.084 R)
• M20: 23,158,648 km (0.092 R)
• M21: 23,916,810 km (0.041 R)
• M22: 25,482,800 km (0.113 R)
• M23: 29,205,843 km (0.082 R)
• M24: 30,490,140 km (0.082 R)
• M25: 36,229,762 km (0.1 R)
• M26: 39,710,605 km (0.05 R)
• M27: 40,675,362 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 8.4

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 10.13 AU - 12.39 AU

Year: 14159 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,504,402 km

• M1: 105,466 km (0.081 R)
• M2: 427,551 km (0.103 R)
• M3: 737,368 km (0.077 R)
• M4: 1,076,805 km (0.083 R)
• M5: 2,186,373 km (0.071 R)
• M6: 3,289,807 km (0.092 R)
• M7: 3,609,797 km (0.067 R)
• M8: 4,227,037 km (0.041 R)
• M9: 4,636,038 km (0.111 R)
• M10: 5,135,695 km (0.079 R)
• M11: 6,316,620 km (0.049 R)
• M12: 6,773,792 km (0.076 R)
• M13: 8,641,222 km (0.062 R)
• M14: 10,353,669 km (0.113 R)
• M15: 11,043,913 km (0.088 R)
• M16: 16,122,013 km (0.057 R)
• M17: 18,161,481 km (0.109 R)
• M18: 18,929,666 km (0.116 R)
• M19: 20,203,791 km (0.109 R)
• M20: 20,945,048 km (0.042 R)
• M21: 22,833,422 km (0.115 R)
• M22: 23,367,487 km (0.06 R)
• M23: 23,637,511 km (0.054 R)
• M24: 24,553,199 km (0.071 R)
• M25: 25,113,743 km (0.108 R)
• M26: 25,397,231 km (0.099 R)
• M27: 27,642,096 km (0.053 R)
• M28: 29,071,354 km (0.115 R)
• M29: 31,197,888 km (0.098 R)
• M30: 37,700,159 km (0.035 R)
• M31: 38,823,041 km (0.059 R)
• M32: 48,767,111 km (0.106 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: 241 - 18,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit