🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.06 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.8

Radius: 8.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.1 AU - 2.14 AU

Year: 2170 Days

Day: 10.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,486,094 km

• M1: 109,655 km (0.104 R)
• M2: 666,010 km (0.115 R)
• M3: 1,072,467 km (0.058 R)
• M4: 1,398,740 km (0.088 R)
• M5: 2,041,712 km (0.034 R)
• M6: 4,048,118 km (0.115 R)
• M7: 4,406,854 km (0.116 R)
• M8: 5,594,362 km (0.09 R)

Asteroid Belt

Center: 2.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.4

Radius: 13.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.66 AU - 3.84 AU

Year: 4118 Days

Day: 13.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,486,094 km

• M1: 169,943 km (0.109 R)
• M2: 748,588 km (0.117 R)
• M3: 1,197,830 km (0.046 R)
• M4: 1,981,873 km (0.089 R)
• M5: 2,461,633 km (0.106 R)
• M6: 3,819,533 km (0.101 R)
• M7: 4,710,388 km (0.111 R)
• M8: 5,293,670 km (0.078 R)
• M9: 8,124,511 km (0.116 R)
• M10: 9,296,460 km (0.107 R)
• M11: 10,457,041 km (0.094 R)
• M12: 11,114,374 km (0.068 R)
• M13: 11,799,233 km (0.114 R)
• M14: 12,421,261 km (0.059 R)
• M15: 13,925,767 km (0.119 R)
• M16: 17,981,365 km (0.086 R)
• M17: 19,349,437 km (0.059 R)
• M18: 20,658,269 km (0.046 R)
• M19: 21,366,914 km (0.087 R)
• M20: 22,426,516 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.8

Radius: 8.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.68 AU - 5.66 AU

Year: 8263 Days

Day: 14.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,486,094 km

• M1: 145,260 km (0.095 R)
• M2: 445,203 km (0.096 R)
• M3: 1,035,068 km (0.055 R)
• M4: 1,963,622 km (0.114 R)
• M5: 3,650,038 km (0.102 R)
• M6: 4,352,700 km (0.073 R)
• M7: 4,972,633 km (0.099 R)
• M8: 5,623,833 km (0.074 R)
• M9: 5,943,075 km (0.036 R)
• M10: 7,126,244 km (0.085 R)
• M11: 7,855,235 km (0.083 R)
• M12: 17,632,652 km (0.071 R)
• M13: 19,560,969 km (0.059 R)
• M14: 20,357,877 km (0.111 R)
• M15: 21,239,906 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.1

Radius: 6.3

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.54 AU - 7.3 AU

Year: 12796 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,486,094 km

• M1: 79,736 km (0.086 R)
• M2: 514,467 km (0.098 R)
• M3: 724,951 km (0.071 R)
• M4: 937,231 km (0.047 R)
• M5: 1,305,541 km (0.054 R)
• M6: 1,570,478 km (0.09 R)
• M7: 1,840,652 km (0.076 R)
• M8: 4,220,306 km (0.109 R)
• M9: 4,920,124 km (0.119 R)
• M10: 5,727,354 km (0.092 R)
• M11: 6,619,556 km (0.073 R)
• M12: 11,854,584 km (0.062 R)
• M13: 13,009,330 km (0.048 R)
• M14: 16,188,434 km (0.069 R)
• M15: 16,989,381 km (0.091 R)
• M16: 20,381,663 km (0.056 R)
• M17: 22,850,476 km (0.076 R)
• M18: 26,963,221 km (0.089 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: 343 - 14,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit