🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.5

Radius: 9.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.94 AU - 4.3 AU

Year: 4754 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,992,398 km

• M1: 128,654 km (0.106 R)
• M2: 559,646 km (0.11 R)
• M3: 1,065,436 km (0.072 R)
• M4: 2,100,055 km (0.098 R)
• M5: 2,479,435 km (0.116 R)
• M6: 2,815,432 km (0.036 R)
• M7: 3,327,805 km (0.054 R)
• M8: 3,720,798 km (0.117 R)
• M9: 4,458,615 km (0.119 R)
• M10: 5,002,553 km (0.118 R)
• M11: 5,358,895 km (0.047 R)
• M12: 9,815,565 km (0.057 R)
• M13: 10,591,529 km (0.117 R)
• M14: 13,123,772 km (0.113 R)
• M15: 15,986,776 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.2

Radius: 13.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.34 AU - 4.26 AU

Year: 5113 Days

Day: 10.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,992,398 km

• M1: 165,156 km (0.106 R)
• M2: 588,069 km (0.072 R)
• M3: 1,033,422 km (0.116 R)
• M4: 1,836,314 km (0.113 R)
• M5: 2,537,928 km (0.097 R)
• M6: 3,139,162 km (0.079 R)
• M7: 4,008,475 km (0.055 R)
• M8: 6,522,318 km (0.097 R)
• M9: 7,088,845 km (0.098 R)
• M10: 7,968,630 km (0.076 R)
• M11: 8,954,031 km (0.052 R)
• M12: 9,547,635 km (0.078 R)
• M13: 10,093,069 km (0.086 R)
• M14: 12,528,822 km (0.109 R)
• M15: 13,183,163 km (0.051 R)
• M16: 14,465,964 km (0.059 R)
• M17: 16,492,118 km (0.065 R)
• M18: 18,421,631 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.7

Radius: 11

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.48 AU - 5.32 AU

Year: 6371 Days

Day: 7.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,992,398 km

• M1: 140,173 km (0.043 R)
• M2: 491,279 km (0.099 R)
• M3: 1,064,389 km (0.073 R)
• M4: 2,369,929 km (0.092 R)
• M5: 3,332,891 km (0.113 R)
• M6: 6,457,093 km (0.072 R)
• M7: 7,327,603 km (0.118 R)
• M8: 12,454,023 km (0.059 R)
• M9: 14,449,210 km (0.089 R)
• M10: 17,114,595 km (0.067 R)
• M11: 19,063,855 km (0.077 R)
• M12: 23,068,889 km (0.098 R)
• M13: 24,662,406 km (0.068 R)
• M14: 32,182,242 km (0.054 R)
• M15: 33,533,111 km (0.106 R)
• M16: 38,271,174 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235

Radius: 7

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.5 AU - 9.02 AU

Year: 13503 Days

Day: 19 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,992,398 km

• M1: 87,216 km (0.062 R)
• M2: 346,020 km (0.114 R)
• M3: 726,148 km (0.078 R)
• M4: 1,247,646 km (0.03 R)
• M5: 2,125,636 km (0.045 R)
• M6: 2,824,557 km (0.056 R)
• M7: 3,454,065 km (0.102 R)
• M8: 4,068,613 km (0.066 R)
• M9: 5,905,226 km (0.118 R)
• M10: 8,703,604 km (0.05 R)
• M11: 10,413,059 km (0.08 R)
• M12: 12,280,040 km (0.059 R)
• M13: 12,835,797 km (0.093 R)
• M14: 16,131,138 km (0.104 R)
• M15: 18,834,522 km (0.081 R)
• M16: 21,187,995 km (0.04 R)
• M17: 27,678,748 km (0.086 R)
• M18: 29,708,641 km (0.111 R)
• M19: 31,939,594 km (0.1 R)
• M20: 39,060,154 km (0.09 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 17,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit