🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.51 AU - 0.55 AU

Year: 253 Days

Day: 30.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 4.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 10

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.61 AU - 0.95 AU

Year: 452 Days

Day: 10.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,029,472 km

• M1: 124,316 km (0.097 R)
• M2: 576,401 km (0.092 R)
• M3: 977,472 km (0.11 R)
• M4: 1,420,731 km (0.077 R)
• M5: 1,751,492 km (0.111 R)
• M6: 2,755,443 km (0.035 R)
• M7: 3,277,241 km (0.084 R)
• M8: 3,874,884 km (0.081 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.4

Radius: 6.1

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.82 AU - 7.24 AU

Year: 10947 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,029,472 km

• M1: 79,736 km (0.088 R)
• M2: 332,257 km (0.037 R)
• M3: 945,758 km (0.08 R)
• M4: 1,681,181 km (0.067 R)
• M5: 1,980,526 km (0.083 R)
• M6: 2,315,027 km (0.113 R)
• M7: 3,096,826 km (0.113 R)
• M8: 3,716,161 km (0.03 R)
• M9: 4,637,684 km (0.062 R)
• M10: 9,130,407 km (0.114 R)
• M11: 9,401,628 km (0.109 R)
• M12: 12,638,178 km (0.092 R)
• M13: 13,666,962 km (0.112 R)
• M14: 17,848,073 km (0.075 R)
• M15: 18,558,962 km (0.039 R)
• M16: 19,362,452 km (0.104 R)
• M17: 20,495,207 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.2

Radius: 3.1

Gravity: 27.91 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.84 AU - 9.3 AU

Year: 15039 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,029,472 km

• M1: 38,596 km (0.089 R)
• M2: 256,560 km (0.108 R)
• M3: 395,537 km (0.041 R)
• M4: 666,459 km (0.079 R)
• M5: 933,790 km (0.034 R)
• M6: 1,137,243 km (0.093 R)
• M7: 2,044,405 km (0.12 R)
• M8: 2,311,885 km (0.114 R)
• M9: 2,444,429 km (0.058 R)
• M10: 3,093,684 km (0.089 R)
• M11: 3,373,432 km (0.082 R)
• M12: 3,470,371 km (0.116 R)
• M13: 4,603,276 km (0.1 R)
• M14: 4,813,461 km (0.119 R)
• M15: 5,061,494 km (0.08 R)
• M16: 8,690,888 km (0.109 R)
• M17: 9,580,547 km (0.053 R)
• M18: 9,873,609 km (0.097 R)
• M19: 10,223,070 km (0.084 R)
• M20: 12,265,081 km (0.096 R)
• M21: 19,055,478 km (0.119 R)
• M22: 19,674,663 km (0.117 R)
• M23: 19,831,591 km (0.036 R)
• M24: 24,299,481 km (0.105 R)
• M25: 27,200,334 km (0.026 R)
• M26: 27,688,771 km (0.08 R)
• M27: 28,482,537 km (0.084 R)
• M28: 30,533,075 km (0.082 R)
• M29: 37,031,607 km (0.074 R)
• M30: 43,857,009 km (0.105 R)
• M31: 43,990,750 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 18,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit