🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 8.3

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.92 AU - 1.1 AU

Year: 666 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,515,275 km

• M1: 104,419 km (0.102 R)
• M2: 471,832 km (0.086 R)
• M3: 773,571 km (0.056 R)
• M4: 1,032,375 km (0.04 R)
• M5: 1,338,003 km (0.038 R)
• M6: 1,631,664 km (0.026 R)
• M7: 2,162,886 km (0.079 R)
• M8: 2,986,422 km (0.065 R)
• M9: 3,617,277 km (0.119 R)
• M10: 4,017,900 km (0.079 R)
• M11: 4,433,482 km (0.119 R)
• M12: 4,741,205 km (0.07 R)
• M13: 5,032,024 km (0.111 R)
• M14: 5,532,129 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.1

Radius: 11.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.45 AU - 1.81 AU

Year: 1365 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,515,275 km

• M1: 139,276 km (0.091 R)
• M2: 521,049 km (0.117 R)
• M3: 1,374,655 km (0.08 R)
• M4: 2,479,136 km (0.032 R)
• M5: 3,415,319 km (0.092 R)
• M6: 4,054,701 km (0.099 R)
• M7: 5,591,071 km (0.109 R)
• M8: 8,315,846 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.3

Radius: 12.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.53 AU - 2.39 AU

Year: 1800 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,515,275 km

• M1: 156,629 km (0.084 R)
• M2: 599,738 km (0.119 R)
• M3: 1,015,620 km (0.112 R)
• M4: 1,533,827 km (0.091 R)
• M5: 2,369,780 km (0.111 R)
• M6: 3,394,974 km (0.12 R)
• M7: 4,241,848 km (0.109 R)
• M8: 4,715,774 km (0.1 R)
• M9: 5,395,397 km (0.096 R)
• M10: 6,186,770 km (0.073 R)
• M11: 7,667,040 km (0.098 R)
• M12: 8,938,772 km (0.08 R)
• M13: 9,466,254 km (0.106 R)
• M14: 10,413,957 km (0.111 R)
• M15: 11,568,104 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 14

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.65 AU - 5.19 AU

Year: 6096 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,515,275 km

• M1: 174,282 km (0.11 R)
• M2: 653,443 km (0.054 R)
• M3: 1,190,051 km (0.068 R)
• M4: 1,872,068 km (0.075 R)
• M5: 2,973,258 km (0.115 R)
• M6: 4,032,111 km (0.119 R)
• M7: 5,950,555 km (0.066 R)
• M8: 7,268,811 km (0.089 R)
• M9: 9,771,434 km (0.025 R)
• M10: 10,797,376 km (0.109 R)
• M11: 12,191,778 km (0.081 R)
• M12: 14,363,939 km (0.096 R)
• M13: 16,169,585 km (0.098 R)
• M14: 17,095,745 km (0.039 R)
• M15: 18,717,536 km (0.061 R)
• M16: 25,082,776 km (0.078 R)
• M17: 31,986,718 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154

Radius: 13.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.87 AU - 5.91 AU

Year: 8209 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,515,275 km

• M1: 169,195 km (0.081 R)
• M2: 834,158 km (0.063 R)
• M3: 1,363,285 km (0.083 R)
• M4: 1,805,945 km (0.072 R)
• M5: 2,466,869 km (0.072 R)
• M6: 3,616,080 km (0.101 R)
• M7: 4,188,441 km (0.11 R)
• M8: 5,070,769 km (0.055 R)
• M9: 6,576,921 km (0.057 R)
• M10: 7,500,089 km (0.106 R)
• M11: 8,185,846 km (0.09 R)
• M12: 9,177,680 km (0.11 R)
• M13: 10,043,851 km (0.097 R)
• M14: 11,180,496 km (0.095 R)
• M15: 13,165,510 km (0.118 R)
• M16: 13,609,217 km (0.086 R)
• M17: 16,258,297 km (0.084 R)
• M18: 16,884,364 km (0.084 R)
• M19: 19,360,657 km (0.09 R)
• M20: 20,194,067 km (0.031 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.4

Radius: 3.2

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.25 AU - 12.41 AU

Year: 23380 Days

Day: 22.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,515,275 km

• M1: 47,273 km (0.102 R)
• M2: 412,441 km (0.062 R)
• M3: 602,879 km (0.119 R)
• M4: 726,298 km (0.06 R)
• M5: 929,452 km (0.103 R)
• M6: 1,044,492 km (0.05 R)
• M7: 1,537,567 km (0.115 R)
• M8: 2,072,978 km (0.073 R)
• M9: 3,042,222 km (0.066 R)
• M10: 6,938,050 km (0.067 R)
• M11: 7,569,203 km (0.092 R)
• M12: 8,077,088 km (0.11 R)
• M13: 9,379,338 km (0.048 R)
• M14: 11,207,872 km (0.117 R)
• M15: 20,004,377 km (0.098 R)
• M16: 22,598,853 km (0.112 R)
• M17: 25,927,555 km (0.09 R)
• M18: 28,442,744 km (0.108 R)
• M19: 29,002,090 km (0.045 R)
• M20: 32,210,217 km (0.059 R)
• M21: 33,743,445 km (0.072 R)
• M22: 34,580,894 km (0.095 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 17,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit