🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.7

Radius: 14.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.52 AU - 0.58 AU

Year: 287 Days

Day: 13.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,946,811 km

• M1: 175,329 km (0.06 R)
• M2: 643,420 km (0.12 R)
• M3: 1,099,544 km (0.118 R)
• M4: 1,640,939 km (0.117 R)
• M5: 2,464,475 km (0.061 R)
• M6: 3,498,047 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.2

Radius: 13.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.55 AU - 0.91 AU

Year: 438 Days

Day: 9.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,946,811 km

• M1: 170,392 km (0.104 R)
• M2: 619,784 km (0.043 R)
• M3: 1,196,035 km (0.055 R)
• M4: 1,833,322 km (0.099 R)
• M5: 2,493,049 km (0.085 R)
• M6: 3,432,523 km (0.067 R)
• M7: 4,226,289 km (0.111 R)
• M8: 5,482,313 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.9

Radius: 12.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.78 AU - 0.9 AU

Year: 541 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,946,811 km

• M1: 155,432 km (0.064 R)
• M2: 568,771 km (0.105 R)
• M3: 964,757 km (0.103 R)
• M4: 1,591,721 km (0.105 R)
• M5: 1,993,092 km (0.12 R)
• M6: 2,487,813 km (0.119 R)
• M7: 2,932,717 km (0.117 R)
• M8: 3,566,862 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.4

Radius: 8.1

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.32 AU - 2.08 AU

Year: 1558 Days

Day: 10.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,946,811 km

• M1: 100,829 km (0.062 R)
• M2: 540,946 km (0.048 R)
• M3: 1,168,958 km (0.105 R)
• M4: 1,568,085 km (0.096 R)
• M5: 1,903,932 km (0.087 R)
• M6: 2,275,533 km (0.089 R)
• M7: 2,708,469 km (0.091 R)
• M8: 3,017,239 km (0.111 R)
• M9: 3,639,118 km (0.089 R)
• M10: 4,325,024 km (0.115 R)
• M11: 4,630,353 km (0.062 R)
• M12: 5,199,274 km (0.115 R)
• M13: 5,544,845 km (0.118 R)
• M14: 5,905,675 km (0.101 R)
• M15: 6,282,063 km (0.073 R)
• M16: 6,902,296 km (0.048 R)
• M17: 7,922,254 km (0.119 R)
• M18: 8,765,837 km (0.114 R)
• M19: 9,070,119 km (0.107 R)
• M20: 10,258,225 km (0.033 R)
• M21: 12,629,651 km (0.084 R)
• M22: 13,454,982 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 10.7

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.54 AU - 6.16 AU

Year: 8698 Days

Day: 11.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,946,811 km

• M1: 139,575 km (0.106 R)
• M2: 563,984 km (0.065 R)
• M3: 1,133,952 km (0.096 R)
• M4: 1,667,418 km (0.092 R)
• M5: 2,016,878 km (0.041 R)
• M6: 2,398,203 km (0.12 R)
• M7: 3,308,207 km (0.088 R)
• M8: 3,991,570 km (0.115 R)
• M9: 4,488,684 km (0.093 R)
• M10: 7,542,425 km (0.115 R)
• M11: 8,098,930 km (0.115 R)
• M12: 10,027,844 km (0.104 R)
• M13: 10,603,198 km (0.099 R)
• M14: 11,715,159 km (0.061 R)
• M15: 12,191,778 km (0.106 R)
• M16: 16,287,319 km (0.116 R)
• M17: 18,043,149 km (0.056 R)
• M18: 18,536,672 km (0.035 R)
• M19: 19,257,435 km (0.037 R)
• M20: 21,218,812 km (0.11 R)
• M21: 22,409,013 km (0.112 R)
• M22: 22,897,300 km (0.06 R)
• M23: 24,064,613 km (0.079 R)
• M24: 27,247,607 km (0.096 R)
• M25: 28,652,929 km (0.088 R)
• M26: 31,506,209 km (0.049 R)
• M27: 34,328,223 km (0.103 R)
• M28: 36,861,514 km (0.082 R)
• M29: 37,200,951 km (0.12 R)
• M30: 37,885,960 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971

Radius: 6.3

Gravity: 24.46 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.54 AU - 7.58 AU

Year: 14611 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,946,811 km

• M1: 139,575 km (0.096 R)
• M2: 336,296 km (0.108 R)
• M3: 560,842 km (0.106 R)
• M4: 776,263 km (0.043 R)
• M5: 1,338,153 km (0.081 R)
• M6: 1,732,643 km (0.113 R)
• M7: 2,499,930 km (0.092 R)
• M8: 2,776,387 km (0.093 R)
• M9: 3,176,711 km (0.098 R)
• M10: 3,789,164 km (0.083 R)
• M11: 4,444,403 km (0.103 R)
• M12: 5,584,489 km (0.088 R)
• M13: 6,018,023 km (0.042 R)
• M14: 6,431,362 km (0.073 R)
• M15: 8,997,414 km (0.078 R)
• M16: 10,564,751 km (0.098 R)
• M17: 10,983,326 km (0.081 R)
• M18: 15,952,818 km (0.074 R)
• M19: 16,266,225 km (0.108 R)
• M20: 18,318,110 km (0.115 R)
• M21: 21,188,444 km (0.089 R)
• M22: 22,143,626 km (0.089 R)
• M23: 24,242,036 km (0.105 R)
• M24: 25,498,957 km (0.118 R)
• M25: 26,035,116 km (0.1 R)
• M26: 28,484,482 km (0.109 R)
• M27: 30,001,853 km (0.095 R)
• M28: 30,599,496 km (0.073 R)
• M29: 34,223,355 km (0.068 R)
• M30: 37,984,096 km (0.106 R)
• M31: 38,824,387 km (0.095 R)
• M32: 42,910,055 km (0.083 R)
• M33: 43,364,084 km (0.114 R)
• M34: 48,572,035 km (0.089 R)
• M35: 58,708,338 km (0.054 R)
• M36: 59,080,986 km (0.076 R)
• M37: 60,019,414 km (0.086 R)
• M38: 61,158,751 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.1

Radius: 6.5

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.54 AU - 10.02 AU

Year: 16748 Days

Day: 17.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,946,811 km

• M1: 81,082 km (0.078 R)
• M2: 314,904 km (0.112 R)
• M3: 741,108 km (0.101 R)
• M4: 2,199,238 km (0.051 R)
• M5: 3,112,832 km (0.115 R)
• M6: 3,984,689 km (0.029 R)
• M7: 4,574,104 km (0.118 R)
• M8: 6,120,498 km (0.087 R)
• M9: 6,524,861 km (0.117 R)
• M10: 10,201,528 km (0.065 R)
• M11: 10,597,364 km (0.053 R)
• M12: 12,157,370 km (0.056 R)
• M13: 14,350,176 km (0.108 R)
• M14: 15,136,163 km (0.103 R)
• M15: 23,350,432 km (0.069 R)
• M16: 28,115,573 km (0.053 R)
• M17: 34,490,088 km (0.098 R)
• M18: 37,742,346 km (0.084 R)
• M19: 46,369,954 km (0.111 R)
• M20: 46,832,810 km (0.101 R)
• M21: 48,082,252 km (0.074 R)
• M22: 50,484,644 km (0.109 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 13,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit