🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.1

Radius: 12.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.86 AU - 1.04 AU

Year: 617 Days

Day: 14.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,400,054 km

• M1: 152,440 km (0.12 R)
• M2: 533,915 km (0.058 R)
• M3: 1,087,277 km (0.066 R)
• M4: 1,511,537 km (0.108 R)
• M5: 2,792,693 km (0.042 R)
• M6: 4,428,695 km (0.096 R)
• M7: 5,074,061 km (0.105 R)
• M8: 5,676,342 km (0.115 R)
• M9: 6,085,791 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.1

Radius: 14.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.21 AU - 1.41 AU

Year: 1000 Days

Day: 15 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,400,054 km

• M1: 185,352 km (0.059 R)
• M2: 650,751 km (0.027 R)
• M3: 1,563,747 km (0.04 R)
• M4: 2,108,582 km (0.116 R)
• M5: 2,593,877 km (0.112 R)
• M6: 3,398,415 km (0.112 R)
• M7: 4,260,547 km (0.089 R)
• M8: 4,781,298 km (0.118 R)
• M9: 5,632,360 km (0.118 R)
• M10: 6,239,428 km (0.1 R)
• M11: 7,458,202 km (0.04 R)
• M12: 9,471,939 km (0.102 R)
• M13: 10,848,688 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.2

Radius: 12.2

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.33 AU - 2.37 AU

Year: 2402 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,400,054 km

• M1: 151,692 km (0.066 R)
• M2: 558,000 km (0.076 R)
• M3: 1,006,943 km (0.118 R)
• M4: 1,453,194 km (0.086 R)
• M5: 2,003,714 km (0.077 R)
• M6: 2,482,876 km (0.057 R)
• M7: 3,025,318 km (0.096 R)
• M8: 5,506,249 km (0.106 R)
• M9: 6,654,562 km (0.101 R)
• M10: 7,132,976 km (0.075 R)
• M11: 9,421,225 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.9

Radius: 12

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.21 AU - 6.21 AU

Year: 9099 Days

Day: 12.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,400,054 km

• M1: 151,842 km (0.03 R)
• M2: 973,284 km (0.032 R)
• M3: 1,369,419 km (0.085 R)
• M4: 1,851,423 km (0.11 R)
• M5: 3,792,904 km (0.07 R)
• M6: 7,015,691 km (0.108 R)
• M7: 9,077,150 km (0.072 R)
• M8: 17,701,766 km (0.073 R)
• M9: 18,821,806 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.4

Radius: 5.7

Gravity: 21.68 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 7.55 AU - 11.83 AU

Year: 20115 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,400,054 km

• M1: 256,261 km (0.075 R)
• M2: 558,598 km (0.092 R)
• M3: 754,123 km (0.046 R)
• M4: 1,456,186 km (0.102 R)
• M5: 3,878,175 km (0.082 R)
• M6: 4,432,136 km (0.051 R)
• M7: 4,890,205 km (0.102 R)
• M8: 5,536,318 km (0.05 R)
• M9: 6,721,881 km (0.075 R)
• M10: 9,990,445 km (0.075 R)
• M11: 10,652,864 km (0.095 R)
• M12: 13,025,935 km (0.07 R)
• M13: 14,335,066 km (0.088 R)
• M14: 17,382,225 km (0.039 R)
• M15: 23,549,098 km (0.093 R)
• M16: 25,927,705 km (0.114 R)
• M17: 28,580,673 km (0.066 R)
• M18: 34,284,092 km (0.069 R)
• M19: 44,430,717 km (0.082 R)
• M20: 51,847,331 km (0.105 R)
• M21: 56,033,678 km (0.091 R)
• M22: 63,434,434 km (0.117 R)
• M23: 68,215,881 km (0.115 R)
• M24: 69,286,254 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.9

Radius: 4.3

Gravity: 24.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.4 AU - 10.04 AU

Year: 20208 Days

Day: 15.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,400,054 km

• M1: 58,044 km (0.048 R)
• M2: 247,435 km (0.088 R)
• M3: 779,405 km (0.106 R)
• M4: 2,331,034 km (0.12 R)
• M5: 3,665,447 km (0.095 R)
• M6: 9,382,330 km (0.113 R)
• M7: 10,385,084 km (0.099 R)
• M8: 11,830,349 km (0.096 R)
• M9: 13,472,934 km (0.083 R)
• M10: 18,697,639 km (0.08 R)
• M11: 21,848,919 km (0.117 R)
• M12: 22,326,136 km (0.084 R)
• M13: 22,908,072 km (0.089 R)
• M14: 23,499,881 km (0.096 R)
• M15: 25,651,846 km (0.102 R)
• M16: 28,607,002 km (0.083 R)
• M17: 32,270,505 km (0.067 R)
• M18: 32,764,926 km (0.032 R)
• M19: 47,300,304 km (0.089 R)
• M20: 53,076,277 km (0.065 R)
• M21: 56,757,881 km (0.05 R)
• M22: 63,266,136 km (0.081 R)
• M23: 65,804,663 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 17,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit