🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.7

Radius: 8.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.55 AU - 0.83 AU

Year: 370 Days

Day: 8.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,949,887 km

• M1: 104,419 km (0.09 R)
• M2: 414,984 km (0.116 R)
• M3: 1,102,686 km (0.048 R)
• M4: 1,562,400 km (0.106 R)
• M5: 2,198,490 km (0.077 R)
• M6: 3,839,130 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.3

Radius: 8.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.29 AU - 1.35 AU

Year: 979 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,949,887 km

• M1: 105,766 km (0.085 R)
• M2: 435,330 km (0.087 R)
• M3: 788,381 km (0.116 R)
• M4: 1,180,327 km (0.078 R)
• M5: 1,481,169 km (0.032 R)
• M6: 2,499,631 km (0.034 R)
• M7: 3,076,480 km (0.117 R)
• M8: 3,396,919 km (0.043 R)
• M9: 3,697,162 km (0.12 R)
• M10: 4,288,821 km (0.091 R)
• M11: 5,028,284 km (0.114 R)
• M12: 5,346,927 km (0.116 R)
• M13: 5,697,884 km (0.114 R)
• M14: 6,303,605 km (0.078 R)
• M15: 6,822,710 km (0.112 R)
• M16: 7,125,646 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 14.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.69 AU - 1.75 AU

Year: 1456 Days

Day: 10.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,949,887 km

• M1: 185,352 km (0.071 R)
• M2: 690,394 km (0.115 R)
• M3: 1,326,484 km (0.041 R)
• M4: 2,643,993 km (0.093 R)
• M5: 3,144,547 km (0.104 R)
• M6: 4,085,069 km (0.103 R)
• M7: 5,821,751 km (0.066 R)
• M8: 6,620,603 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 11.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.43 AU - 2.21 AU

Year: 1585 Days

Day: 11.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,949,887 km

• M1: 145,708 km (0.106 R)
• M2: 669,600 km (0.102 R)
• M3: 1,319,902 km (0.038 R)
• M4: 3,134,375 km (0.097 R)
• M5: 4,242,446 km (0.116 R)
• M6: 5,186,857 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321

Radius: 10.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.91 AU - 4.75 AU

Year: 4840 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,949,887 km

• M1: 134,339 km (0.102 R)
• M2: 725,998 km (0.063 R)
• M3: 1,146,518 km (0.08 R)
• M4: 1,529,788 km (0.112 R)
• M5: 2,117,857 km (0.082 R)
• M6: 3,342,316 km (0.091 R)
• M7: 5,062,542 km (0.098 R)
• M8: 5,545,593 km (0.113 R)
• M9: 6,003,811 km (0.113 R)
• M10: 7,467,627 km (0.109 R)
• M11: 8,864,871 km (0.112 R)
• M12: 10,149,767 km (0.108 R)
• M13: 10,672,611 km (0.071 R)
• M14: 11,728,473 km (0.097 R)
• M15: 12,668,097 km (0.114 R)
• M16: 15,106,692 km (0.109 R)
• M17: 16,164,499 km (0.11 R)
• M18: 16,601,025 km (0.111 R)
• M19: 22,677,242 km (0.038 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 14,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit