🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.7

Radius: 13.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.75 AU - 0.87 AU

Year: 486 Days

Day: 7.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,261,140 km

• M1: 165,455 km (0.096 R)
• M2: 706,700 km (0.082 R)
• M3: 1,159,832 km (0.05 R)
• M4: 1,716,037 km (0.064 R)
• M5: 2,664,787 km (0.089 R)
• M6: 3,275,296 km (0.054 R)
• M7: 4,224,494 km (0.106 R)
• M8: 5,365,926 km (0.068 R)
• M9: 6,198,289 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68

Radius: 10

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.33 AU - 1.57 AU

Year: 1164 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,261,140 km

• M1: 124,316 km (0.119 R)
• M2: 515,514 km (0.083 R)
• M3: 1,046,587 km (0.071 R)
• M4: 1,485,357 km (0.05 R)
• M5: 2,176,350 km (0.073 R)
• M6: 2,701,438 km (0.052 R)
• M7: 3,309,254 km (0.112 R)
• M8: 4,541,043 km (0.085 R)
• M9: 5,169,055 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.9

Radius: 13.9

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.58 AU - 2.1 AU

Year: 1664 Days

Day: 9.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,261,140 km

• M1: 173,234 km (0.091 R)
• M2: 1,318,556 km (0.083 R)
• M3: 2,122,495 km (0.075 R)
• M4: 2,760,829 km (0.113 R)
• M5: 3,491,913 km (0.068 R)
• M6: 4,525,036 km (0.08 R)
• M7: 5,522,555 km (0.099 R)
• M8: 6,357,012 km (0.115 R)
• M9: 8,397,976 km (0.091 R)
• M10: 9,568,280 km (0.081 R)
• M11: 10,737,238 km (0.089 R)
• M12: 11,618,070 km (0.108 R)
• M13: 12,309,960 km (0.097 R)
• M14: 14,333,570 km (0.103 R)
• M15: 15,175,058 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.6

Radius: 5.6

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.58 AU - 10.86 AU

Year: 18669 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,261,140 km

• M1: 70,012 km (0.118 R)
• M2: 245,640 km (0.06 R)
• M3: 936,333 km (0.118 R)
• M4: 1,357,900 km (0.109 R)
• M5: 1,754,633 km (0.094 R)
• M6: 2,280,769 km (0.115 R)
• M7: 2,862,854 km (0.104 R)
• M8: 3,391,085 km (0.119 R)
• M9: 3,769,118 km (0.052 R)
• M10: 9,183,514 km (0.112 R)
• M11: 9,916,992 km (0.077 R)
• M12: 10,531,092 km (0.088 R)
• M13: 14,305,745 km (0.111 R)
• M14: 16,177,963 km (0.112 R)
• M15: 19,836,528 km (0.052 R)
• M16: 23,829,894 km (0.096 R)
• M17: 26,446,959 km (0.081 R)
• M18: 34,503,253 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 14,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit