🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.4

Radius: 8.9

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.53 AU - 0.67 AU

Year: 327 Days

Day: 12.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,491,917 km

• M1: 110,702 km (0.079 R)
• M2: 480,359 km (0.115 R)
• M3: 929,601 km (0.079 R)
• M4: 1,219,522 km (0.061 R)
• M5: 1,621,791 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.9

Radius: 14.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.77 AU - 1.05 AU

Year: 610 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,491,917 km

• M1: 181,612 km (0.115 R)
• M2: 740,659 km (0.052 R)
• M3: 1,287,738 km (0.091 R)
• M4: 1,869,674 km (0.119 R)
• M5: 2,435,902 km (0.109 R)
• M6: 3,061,371 km (0.066 R)
• M7: 4,013,262 km (0.057 R)
• M8: 4,537,603 km (0.102 R)
• M9: 5,281,553 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321

Radius: 10.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.88 AU - 1.04 AU

Year: 661 Days

Day: 13.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,491,917 km

• M1: 134,339 km (0.088 R)
• M2: 547,678 km (0.089 R)
• M3: 1,005,597 km (0.079 R)
• M4: 1,381,985 km (0.109 R)
• M5: 1,981,573 km (0.092 R)
• M6: 2,747,664 km (0.12 R)
• M7: 3,477,253 km (0.097 R)
• M8: 4,027,623 km (0.044 R)
• M9: 5,016,166 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.6

Radius: 11.9

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.32 AU - 1.62 AU

Year: 1253 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,491,917 km

• M1: 147,952 km (0.063 R)
• M2: 546,631 km (0.066 R)
• M3: 997,070 km (0.097 R)
• M4: 1,700,329 km (0.09 R)
• M5: 2,361,253 km (0.114 R)
• M6: 2,806,007 km (0.086 R)
• M7: 3,398,415 km (0.07 R)
• M8: 3,866,806 km (0.103 R)
• M9: 4,377,982 km (0.084 R)
• M10: 5,177,732 km (0.077 R)
• M11: 5,580,300 km (0.106 R)
• M12: 6,072,477 km (0.118 R)
• M13: 6,790,397 km (0.082 R)
• M14: 8,196,168 km (0.081 R)
• M15: 8,833,605 km (0.08 R)
• M16: 9,225,551 km (0.108 R)
• M17: 9,629,166 km (0.115 R)
• M18: 11,292,844 km (0.082 R)
• M19: 12,416,324 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.9

Radius: 9.3

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.12 AU - 3.04 AU

Year: 2913 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,491,917 km

• M1: 115,938 km (0.102 R)
• M2: 518,506 km (0.068 R)
• M3: 1,000,211 km (0.052 R)
• M4: 1,627,026 km (0.099 R)
• M5: 2,177,098 km (0.075 R)
• M6: 2,776,836 km (0.117 R)
• M7: 3,291,901 km (0.065 R)
• M8: 4,155,530 km (0.055 R)
• M9: 4,552,413 km (0.112 R)
• M10: 5,184,314 km (0.11 R)
• M11: 5,781,359 km (0.066 R)
• M12: 6,723,826 km (0.067 R)
• M13: 7,059,823 km (0.042 R)
• M14: 7,793,451 km (0.071 R)
• M15: 8,310,311 km (0.087 R)
• M16: 9,767,843 km (0.091 R)
• M17: 10,065,394 km (0.092 R)
• M18: 10,540,068 km (0.106 R)
• M19: 11,244,225 km (0.11 R)
• M20: 13,141,724 km (0.098 R)
• M21: 13,668,159 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.8

Radius: 6.1

Gravity: 26.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.85 AU - 7.01 AU

Year: 10151 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,491,917 km

• M1: 77,641 km (0.061 R)
• M2: 307,274 km (0.105 R)
• M3: 498,311 km (0.117 R)
• M4: 773,122 km (0.084 R)
• M5: 1,146,967 km (0.116 R)
• M6: 1,728,603 km (0.115 R)
• M7: 2,233,496 km (0.064 R)
• M8: 2,700,242 km (0.061 R)
• M9: 3,303,719 km (0.099 R)
• M10: 4,021,640 km (0.105 R)
• M11: 5,582,544 km (0.088 R)
• M12: 6,169,416 km (0.066 R)
• M13: 6,837,071 km (0.114 R)
• M14: 8,131,392 km (0.098 R)
• M15: 9,479,419 km (0.038 R)
• M16: 9,786,543 km (0.085 R)
• M17: 12,006,875 km (0.089 R)
• M18: 12,306,220 km (0.083 R)
• M19: 12,795,405 km (0.072 R)
• M20: 13,044,785 km (0.064 R)
• M21: 14,474,791 km (0.088 R)
• M22: 16,515,605 km (0.116 R)
• M23: 18,029,835 km (0.097 R)
• M24: 18,581,103 km (0.058 R)
• M25: 20,217,703 km (0.08 R)
• M26: 21,244,693 km (0.085 R)
• M27: 21,506,639 km (0.103 R)
• M28: 26,803,301 km (0.052 R)
• M29: 27,728,414 km (0.095 R)
• M30: 29,969,540 km (0.113 R)
• M31: 31,755,888 km (0.036 R)
• M32: 32,098,617 km (0.12 R)
• M33: 37,922,611 km (0.105 R)
• M34: 52,875,667 km (0.112 R)
• M35: 54,491,922 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 14,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit