🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.27 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.7

Radius: 11.7

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.12 AU - 2.94 AU

Year: 2559 Days

Day: 7.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,425,632 km

• M1: 145,559 km (0.109 R)
• M2: 673,340 km (0.082 R)
• M3: 1,431,352 km (0.096 R)
• M4: 1,828,385 km (0.061 R)
• M5: 2,220,032 km (0.082 R)
• M6: 2,668,078 km (0.116 R)
• M7: 3,193,466 km (0.07 R)
• M8: 4,000,845 km (0.074 R)
• M9: 4,410,744 km (0.043 R)
• M10: 4,781,148 km (0.073 R)
• M11: 6,258,726 km (0.064 R)
• M12: 7,220,790 km (0.044 R)
• M13: 8,311,508 km (0.12 R)
• M14: 8,811,315 km (0.096 R)
• M15: 11,213,408 km (0.083 R)
• M16: 14,162,580 km (0.091 R)
• M17: 14,780,120 km (0.069 R)
• M18: 17,432,041 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.5

Radius: 15

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.63 AU - 4.17 AU

Year: 3986 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,425,632 km

• M1: 192,383 km (0.085 R)
• M2: 873,801 km (0.099 R)
• M3: 2,180,987 km (0.118 R)
• M4: 2,723,579 km (0.116 R)
• M5: 5,135,695 km (0.085 R)
• M6: 5,763,108 km (0.105 R)
• M7: 6,273,836 km (0.086 R)
• M8: 10,625,937 km (0.066 R)
• M9: 11,989,521 km (0.117 R)
• M10: 13,143,819 km (0.026 R)
• M11: 18,919,493 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.6

Radius: 13.8

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.63 AU - 4.69 AU

Year: 6396 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,425,632 km

• M1: 171,589 km (0.093 R)
• M2: 637,137 km (0.063 R)
• M3: 1,449,155 km (0.099 R)
• M4: 2,209,261 km (0.096 R)
• M5: 2,919,253 km (0.066 R)
• M6: 3,474,261 km (0.104 R)
• M7: 5,226,351 km (0.106 R)
• M8: 6,869,833 km (0.101 R)
• M9: 7,603,312 km (0.116 R)
• M10: 10,314,025 km (0.086 R)
• M11: 10,748,009 km (0.105 R)
• M12: 16,903,063 km (0.027 R)
• M13: 19,053,383 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.4

Radius: 13.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.62 AU - 6.48 AU

Year: 9462 Days

Day: 14.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,425,632 km

• M1: 165,455 km (0.062 R)
• M2: 645,216 km (0.115 R)
• M3: 1,522,158 km (0.105 R)
• M4: 3,928,290 km (0.07 R)
• M5: 4,451,434 km (0.114 R)
• M6: 5,201,219 km (0.067 R)
• M7: 5,899,990 km (0.112 R)
• M8: 6,553,135 km (0.1 R)
• M9: 9,339,545 km (0.066 R)
• M10: 9,989,099 km (0.113 R)
• M11: 10,718,239 km (0.115 R)
• M12: 11,745,527 km (0.082 R)
• M13: 13,177,628 km (0.106 R)
• M14: 14,356,309 km (0.082 R)
• M15: 18,602,196 km (0.076 R)
• M16: 21,325,775 km (0.082 R)
• M17: 23,451,112 km (0.09 R)
• M18: 24,218,848 km (0.111 R)
• M19: 24,739,748 km (0.099 R)
• M20: 26,530,734 km (0.077 R)
• M21: 27,364,143 km (0.098 R)
• M22: 33,160,462 km (0.025 R)
• M23: 34,019,304 km (0.102 R)
• M24: 37,952,082 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.1

Radius: 7.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.32 AU - 8.74 AU

Year: 11851 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,425,632 km

• M1: 91,105 km (0.079 R)
• M2: 369,956 km (0.085 R)
• M3: 613,800 km (0.099 R)
• M4: 961,765 km (0.052 R)
• M5: 1,843,644 km (0.116 R)
• M6: 4,824,232 km (0.106 R)
• M7: 8,611,003 km (0.104 R)
• M8: 16,444,247 km (0.104 R)
• M9: 17,387,461 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.9

Radius: 4.8

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.57 AU - 9.27 AU

Year: 14172 Days

Day: 24.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,425,632 km

• M1: 63,579 km (0.12 R)
• M2: 216,169 km (0.117 R)
• M3: 447,597 km (0.106 R)
• M4: 741,557 km (0.089 R)
• M5: 1,088,474 km (0.1 R)
• M6: 1,579,006 km (0.063 R)
• M7: 2,013,737 km (0.109 R)
• M8: 10,844,798 km (0.093 R)
• M9: 14,510,395 km (0.091 R)
• M10: 15,624,899 km (0.113 R)
• M11: 16,514,707 km (0.103 R)
• M12: 17,728,694 km (0.097 R)
• M13: 21,392,645 km (0.118 R)
• M14: 22,232,488 km (0.068 R)
• M15: 22,919,890 km (0.054 R)
• M16: 32,416,811 km (0.119 R)
• M17: 34,313,114 km (0.06 R)
• M18: 39,437,290 km (0.082 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: 413 - 15,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit