🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.1

Radius: 9.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.91 AU - 1.07 AU

Year: 646 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,638,901 km

• M1: 122,072 km (0.119 R)
• M2: 711,338 km (0.051 R)
• M3: 1,137,093 km (0.083 R)
• M4: 3,337,528 km (0.064 R)
• M5: 3,792,156 km (0.061 R)
• M6: 4,622,425 km (0.118 R)
• M7: 5,035,165 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.6

Radius: 10.1

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.03 AU - 1.33 AU

Year: 841 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,638,901 km

• M1: 125,662 km (0.112 R)
• M2: 468,092 km (0.073 R)
• M3: 1,006,794 km (0.06 R)
• M4: 1,324,540 km (0.112 R)
• M5: 1,903,035 km (0.098 R)
• M6: 2,289,296 km (0.109 R)
• M7: 2,740,035 km (0.112 R)
• M8: 3,072,890 km (0.034 R)
• M9: 3,821,029 km (0.059 R)
• M10: 4,441,112 km (0.095 R)
• M11: 4,829,917 km (0.039 R)
• M12: 5,146,017 km (0.097 R)
• M13: 5,595,559 km (0.077 R)
• M14: 6,308,243 km (0.047 R)
• M15: 6,893,171 km (0.087 R)
• M16: 8,407,550 km (0.094 R)
• M17: 9,228,842 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.2

Radius: 11.5

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.23 AU - 1.61 AU

Year: 1110 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,638,901 km

• M1: 143,016 km (0.108 R)
• M2: 580,440 km (0.054 R)
• M3: 950,096 km (0.08 R)
• M4: 1,509,443 km (0.073 R)
• M5: 2,757,388 km (0.104 R)
• M6: 3,185,537 km (0.058 R)
• M7: 4,093,147 km (0.109 R)
• M8: 4,726,844 km (0.085 R)
• M9: 5,884,582 km (0.109 R)
• M10: 6,324,848 km (0.098 R)
• M11: 6,858,464 km (0.055 R)
• M12: 7,396,717 km (0.118 R)
• M13: 7,989,573 km (0.107 R)
• M14: 8,530,519 km (0.106 R)
• M15: 9,417,186 km (0.111 R)
• M16: 10,021,113 km (0.078 R)
• M17: 10,812,336 km (0.084 R)
• M18: 11,239,886 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 9.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.29 AU - 1.81 AU

Year: 1266 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,638,901 km

• M1: 115,789 km (0.068 R)
• M2: 546,481 km (0.091 R)
• M3: 1,065,885 km (0.059 R)
• M4: 2,121,747 km (0.094 R)
• M5: 3,311,050 km (0.103 R)
• M6: 3,878,774 km (0.072 R)
• M7: 4,282,987 km (0.067 R)
• M8: 5,272,278 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.9

Radius: 12.8

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.65 AU - 1.85 AU

Year: 1519 Days

Day: 6.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,638,901 km

• M1: 159,172 km (0.114 R)
• M2: 627,563 km (0.117 R)
• M3: 1,148,463 km (0.093 R)
• M4: 1,810,583 km (0.029 R)
• M5: 2,389,527 km (0.025 R)
• M6: 3,596,931 km (0.089 R)
• M7: 4,031,214 km (0.104 R)
• M8: 6,206,068 km (0.106 R)
• M9: 7,367,546 km (0.106 R)
• M10: 8,043,878 km (0.106 R)
• M11: 9,750,340 km (0.093 R)
• M12: 11,912,478 km (0.045 R)
• M13: 13,045,383 km (0.119 R)
• M14: 14,291,533 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621

Radius: 10.4

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.51 AU - 2.37 AU

Year: 1773 Days

Day: 5.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 175.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 14,638,901 km

• M1: 130,001 km (0.07 R)
• M2: 465,249 km (0.067 R)
• M3: 812,017 km (0.084 R)
• M4: 1,266,944 km (0.115 R)
• M5: 1,607,130 km (0.113 R)
• M6: 1,942,977 km (0.11 R)
• M7: 2,363,646 km (0.082 R)
• M8: 2,691,116 km (0.066 R)
• M9: 3,201,095 km (0.102 R)
• M10: 3,537,391 km (0.096 R)
• M11: 3,915,126 km (0.111 R)
• M12: 4,377,084 km (0.089 R)
• M13: 4,895,890 km (0.063 R)
• M14: 5,366,524 km (0.062 R)
• M15: 5,773,730 km (0.049 R)
• M16: 6,128,875 km (0.111 R)
• M17: 6,935,806 km (0.096 R)
• M18: 7,364,853 km (0.106 R)
• M19: 7,897,571 km (0.088 R)
• M20: 10,777,479 km (0.113 R)
• M21: 11,687,633 km (0.097 R)
• M22: 12,027,519 km (0.09 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 13,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit