🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.4

Radius: 14.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.84 AU - 0.94 AU

Year: 551 Days

Day: 11 Hours

Environment

Temp: -145 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,257,215 km

• M1: 178,470 km (0.106 R)
• M2: 709,244 km (0.096 R)
• M3: 1,208,601 km (0.106 R)
• M4: 1,985,463 km (0.117 R)
• M5: 2,737,043 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 13.3

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.13 AU - 1.43 AU

Year: 950 Days

Day: 8.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,257,215 km

• M1: 165,455 km (0.098 R)
• M2: 621,130 km (0.082 R)
• M3: 1,094,458 km (0.068 R)
• M4: 1,534,874 km (0.104 R)
• M5: 2,049,042 km (0.096 R)
• M6: 2,490,655 km (0.111 R)
• M7: 3,570,602 km (0.113 R)
• M8: 4,280,145 km (0.11 R)
• M9: 4,702,759 km (0.084 R)
• M10: 5,297,560 km (0.064 R)
• M11: 5,942,327 km (0.064 R)
• M12: 6,470,258 km (0.117 R)
• M13: 7,029,454 km (0.053 R)
• M14: 7,574,140 km (0.106 R)
• M15: 8,098,032 km (0.101 R)
• M16: 8,595,295 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.8

Radius: 11.8

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.63 AU - 6.77 AU

Year: 8927 Days

Day: 10 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,257,215 km

• M1: 146,756 km (0.077 R)
• M2: 533,765 km (0.077 R)
• M3: 1,273,527 km (0.107 R)
• M4: 1,813,276 km (0.105 R)
• M5: 2,243,220 km (0.04 R)
• M6: 3,266,170 km (0.037 R)
• M7: 4,375,139 km (0.1 R)
• M8: 6,104,341 km (0.03 R)
• M9: 6,656,806 km (0.113 R)
• M10: 14,099,749 km (0.118 R)
• M11: 15,466,026 km (0.092 R)
• M12: 16,494,512 km (0.034 R)
• M13: 17,495,172 km (0.068 R)
• M14: 18,384,681 km (0.116 R)
• M15: 20,740,249 km (0.099 R)
• M16: 23,824,508 km (0.112 R)
• M17: 26,812,127 km (0.11 R)
• M18: 27,497,435 km (0.071 R)
• M19: 29,313,553 km (0.085 R)
• M20: 29,831,910 km (0.087 R)
• M21: 39,355,609 km (0.047 R)
• M22: 45,834,095 km (0.042 R)
• M23: 46,673,189 km (0.03 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.7

Radius: 6.9

Gravity: 20.45 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.19 AU - 8.47 AU

Year: 13019 Days

Day: 23.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,257,215 km

• M1: 86,168 km (0.104 R)
• M2: 324,777 km (0.086 R)
• M3: 759,808 km (0.089 R)
• M4: 1,162,375 km (0.112 R)
• M5: 1,888,673 km (0.07 R)
• M6: 3,662,904 km (0.103 R)
• M7: 4,010,719 km (0.049 R)
• M8: 4,977,271 km (0.089 R)
• M9: 6,621,501 km (0.066 R)
• M10: 7,821,874 km (0.117 R)
• M11: 10,704,176 km (0.114 R)
• M12: 12,413,183 km (0.063 R)
• M13: 15,677,558 km (0.033 R)
• M14: 17,546,633 km (0.092 R)
• M15: 18,036,267 km (0.055 R)
• M16: 19,128,033 km (0.063 R)
• M17: 27,049,988 km (0.102 R)
• M18: 27,375,214 km (0.074 R)
• M19: 32,086,649 km (0.082 R)
• M20: 33,188,587 km (0.033 R)
• M21: 40,054,082 km (0.091 R)
• M22: 44,415,907 km (0.109 R)
• M23: 60,483,466 km (0.059 R)
• M24: 60,854,020 km (0.103 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: 396 - 11,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit