🌌 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: 375.8

Radius: 14.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.5 AU - 0.6 AU

Year: 272 Days

Day: 14.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,966,041 km

• M1: 182,809 km (0.104 R)
• M2: 642,672 km (0.066 R)
• M3: 1,434,045 km (0.063 R)
• M4: 2,192,207 km (0.092 R)
• M5: 2,677,951 km (0.091 R)
• M6: 3,245,526 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438

Radius: 8.6

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.2 AU - 1.6 AU

Year: 1105 Days

Day: 7.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,966,041 km

• M1: 106,962 km (0.084 R)
• M2: 406,457 km (0.093 R)
• M3: 695,181 km (0.083 R)
• M4: 1,219,671 km (0.085 R)
• M5: 1,922,033 km (0.104 R)
• M6: 2,240,527 km (0.073 R)
• M7: 2,748,412 km (0.066 R)
• M8: 4,482,551 km (0.084 R)
• M9: 4,937,777 km (0.05 R)
• M10: 5,251,932 km (0.114 R)
• M11: 6,600,557 km (0.065 R)
• M12: 7,864,659 km (0.069 R)
• M13: 8,606,814 km (0.104 R)
• M14: 8,981,258 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.5

Radius: 13.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.12 AU - 3.22 AU

Year: 3764 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,966,041 km

• M1: 171,888 km (0.109 R)
• M2: 608,714 km (0.1 R)
• M3: 1,717,683 km (0.062 R)
• M4: 2,784,914 km (0.097 R)
• M5: 4,781,148 km (0.117 R)
• M6: 5,484,408 km (0.086 R)
• M7: 5,962,074 km (0.075 R)
• M8: 6,528,750 km (0.096 R)
• M9: 9,126,069 km (0.063 R)
• M10: 9,921,630 km (0.073 R)
• M11: 11,469,669 km (0.106 R)
• M12: 13,223,255 km (0.057 R)
• M13: 13,879,840 km (0.117 R)
• M14: 14,986,565 km (0.069 R)
• M15: 17,918,683 km (0.068 R)
• M16: 19,681,694 km (0.115 R)
• M17: 21,765,593 km (0.102 R)
• M18: 24,591,496 km (0.081 R)
• M19: 26,289,133 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.7

Radius: 5.2

Gravity: 25.36 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.12 AU - 8.46 AU

Year: 13126 Days

Day: 20.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,966,041 km

• M1: 64,776 km (0.118 R)
• M2: 295,456 km (0.085 R)
• M3: 559,346 km (0.114 R)
• M4: 1,121,086 km (0.105 R)
• M5: 1,677,740 km (0.081 R)
• M6: 3,116,872 km (0.089 R)
• M7: 3,907,197 km (0.068 R)
• M8: 4,168,395 km (0.085 R)
• M9: 4,597,891 km (0.115 R)
• M10: 5,950,106 km (0.112 R)
• M11: 6,454,251 km (0.056 R)
• M12: 6,944,483 km (0.069 R)
• M13: 7,636,373 km (0.114 R)
• M14: 7,861,667 km (0.103 R)
• M15: 8,807,724 km (0.053 R)
• M16: 10,040,411 km (0.096 R)
• M17: 10,980,185 km (0.096 R)
• M18: 12,653,736 km (0.088 R)
• M19: 16,052,151 km (0.056 R)
• M20: 18,198,132 km (0.061 R)
• M21: 18,763,163 km (0.113 R)
• M22: 21,317,248 km (0.11 R)
• M23: 21,495,419 km (0.104 R)
• M24: 24,190,724 km (0.061 R)
• M25: 30,352,959 km (0.102 R)
• M26: 30,578,403 km (0.111 R)
• M27: 32,894,926 km (0.115 R)
• M28: 33,491,822 km (0.091 R)
• M29: 34,339,593 km (0.09 R)
• M30: 35,325,892 km (0.12 R)
• M31: 35,951,809 km (0.073 R)
• M32: 38,266,387 km (0.079 R)
• M33: 39,863,494 km (0.113 R)
• M34: 43,618,251 km (0.086 R)
• M35: 44,193,904 km (0.102 R)
• M36: 46,846,872 km (0.114 R)
• M37: 51,181,620 km (0.083 R)
• M38: 51,661,381 km (0.111 R)
• M39: 56,114,610 km (0.075 R)
• M40: 56,795,280 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.2

Radius: 3.5

Gravity: 59.44 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.22 AU - 9.18 AU

Year: 15659 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,966,041 km

• M1: 45,328 km (0.096 R)
• M2: 169,195 km (0.053 R)
• M3: 345,122 km (0.072 R)
• M4: 563,086 km (0.067 R)
• M5: 910,004 km (0.087 R)
• M6: 2,026,453 km (0.1 R)
• M7: 2,499,780 km (0.116 R)
• M8: 3,017,838 km (0.056 R)
• M9: 5,582,843 km (0.047 R)
• M10: 8,383,165 km (0.063 R)
• M11: 12,316,243 km (0.098 R)
• M12: 12,905,808 km (0.109 R)
• M13: 13,790,231 km (0.089 R)
• M14: 18,568,537 km (0.086 R)
• M15: 20,771,664 km (0.027 R)
• M16: 21,511,875 km (0.095 R)
• M17: 21,794,016 km (0.108 R)
• M18: 22,173,845 km (0.114 R)
• M19: 24,241,138 km (0.117 R)
• M20: 25,688,498 km (0.076 R)
• M21: 27,854,525 km (0.058 R)
• M22: 29,441,310 km (0.113 R)
• M23: 30,139,333 km (0.084 R)
• M24: 31,689,616 km (0.105 R)
• M25: 32,054,635 km (0.118 R)
• M26: 35,077,410 km (0.103 R)
• M27: 39,255,828 km (0.044 R)
• M28: 45,274,898 km (0.105 R)
• M29: 46,516,860 km (0.117 R)
• M30: 52,557,322 km (0.107 R)
• M31: 56,742,472 km (0.102 R)
• M32: 58,003,732 km (0.116 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: 334 - 14,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit