🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 13.9

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1 AU - 1.02 AU

Year: 655 Days

Day: 7.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,593,193 km

• M1: 172,935 km (0.1 R)
• M2: 614,548 km (0.095 R)
• M3: 1,075,010 km (0.059 R)
• M4: 1,542,952 km (0.109 R)
• M5: 2,319,365 km (0.069 R)
• M6: 2,785,064 km (0.046 R)
• M7: 3,909,441 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.1

Radius: 14

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.11 AU - 2.21 AU

Year: 2050 Days

Day: 10.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,593,193 km

• M1: 176,525 km (0.099 R)
• M2: 670,348 km (0.113 R)
• M3: 1,137,841 km (0.066 R)
• M4: 1,579,454 km (0.098 R)
• M5: 2,786,410 km (0.119 R)
• M6: 3,376,424 km (0.086 R)
• M7: 3,993,066 km (0.059 R)
• M8: 4,539,697 km (0.119 R)
• M9: 5,248,043 km (0.113 R)
• M10: 5,712,544 km (0.088 R)
• M11: 6,179,439 km (0.111 R)
• M12: 7,246,222 km (0.057 R)
• M13: 8,124,511 km (0.091 R)
• M14: 8,941,914 km (0.114 R)
• M15: 9,744,656 km (0.086 R)
• M16: 11,000,829 km (0.1 R)
• M17: 11,962,295 km (0.083 R)
• M18: 12,771,320 km (0.099 R)
• M19: 15,092,331 km (0.1 R)
• M20: 15,749,664 km (0.105 R)
• M21: 16,328,308 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.3

Radius: 11

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.79 AU - 3.83 AU

Year: 4802 Days

Day: 9.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,593,193 km

• M1: 137,331 km (0.094 R)
• M2: 490,681 km (0.09 R)
• M3: 897,438 km (0.108 R)
• M4: 1,376,600 km (0.11 R)
• M5: 1,816,567 km (0.07 R)
• M6: 2,305,602 km (0.112 R)
• M7: 2,898,459 km (0.119 R)
• M8: 4,483,149 km (0.098 R)
• M9: 5,681,129 km (0.089 R)
• M10: 7,242,631 km (0.115 R)
• M11: 8,997,414 km (0.028 R)
• M12: 9,496,622 km (0.074 R)
• M13: 10,054,922 km (0.116 R)
• M14: 12,986,741 km (0.085 R)
• M15: 14,335,814 km (0.098 R)
• M16: 16,276,847 km (0.109 R)
• M17: 20,673,977 km (0.043 R)
• M18: 22,649,118 km (0.103 R)
• M19: 23,358,511 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.6

Radius: 3.5

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7 AU - 8.02 AU

Year: 13288 Days

Day: 19.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,593,193 km

• M1: 43,533 km (0.099 R)
• M2: 169,345 km (0.107 R)
• M3: 377,136 km (0.111 R)
• M4: 1,763,011 km (0.095 R)
• M5: 2,113,070 km (0.075 R)
• M6: 2,417,950 km (0.105 R)
• M7: 3,156,964 km (0.073 R)
• M8: 7,211,814 km (0.072 R)
• M9: 7,626,649 km (0.081 R)
• M10: 11,637,667 km (0.057 R)
• M11: 14,734,493 km (0.05 R)
• M12: 17,927,360 km (0.054 R)
• M13: 18,547,144 km (0.109 R)
• M14: 19,252,498 km (0.084 R)
• M15: 21,629,309 km (0.071 R)
• M16: 23,372,423 km (0.049 R)
• M17: 24,528,964 km (0.097 R)
• M18: 26,422,724 km (0.113 R)
• M19: 29,632,645 km (0.104 R)
• M20: 33,401,465 km (0.12 R)
• M21: 35,400,242 km (0.083 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 11,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit