🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.1

Radius: 14.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.11 AU - 1.19 AU

Year: 809 Days

Day: 5.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,373,149 km

• M1: 183,856 km (0.057 R)
• M2: 699,669 km (0.081 R)
• M3: 1,273,975 km (0.107 R)
• M4: 1,896,901 km (0.118 R)
• M5: 2,442,634 km (0.108 R)
• M6: 3,254,502 km (0.112 R)
• M7: 3,787,668 km (0.093 R)
• M8: 5,400,334 km (0.118 R)
• M9: 7,038,580 km (0.079 R)
• M10: 7,797,939 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182

Radius: 12.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.68 AU - 3.94 AU

Year: 3950 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,373,149 km

• M1: 153,039 km (0.077 R)
• M2: 738,265 km (0.053 R)
• M3: 1,127,968 km (0.091 R)
• M4: 1,572,423 km (0.108 R)
• M5: 1,959,433 km (0.11 R)
• M6: 2,655,961 km (0.082 R)
• M7: 3,884,010 km (0.096 R)
• M8: 4,900,228 km (0.118 R)
• M9: 5,766,998 km (0.058 R)
• M10: 6,495,091 km (0.08 R)
• M11: 7,953,520 km (0.073 R)
• M12: 11,858,474 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 13.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.61 AU - 3.63 AU

Year: 4518 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 77.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,373,149 km

• M1: 172,935 km (0.106 R)
• M2: 722,259 km (0.113 R)
• M3: 1,478,775 km (0.032 R)
• M4: 1,970,354 km (0.057 R)
• M5: 2,439,193 km (0.115 R)
• M6: 3,586,459 km (0.104 R)
• M7: 6,690,466 km (0.108 R)
• M8: 7,267,165 km (0.097 R)
• M9: 8,366,261 km (0.103 R)
• M10: 9,447,554 km (0.118 R)
• M11: 12,941,263 km (0.096 R)
• M12: 13,839,000 km (0.11 R)
• M13: 14,721,627 km (0.113 R)
• M14: 15,292,194 km (0.056 R)
• M15: 16,295,846 km (0.038 R)
• M16: 16,906,504 km (0.101 R)
• M17: 17,532,422 km (0.081 R)
• M18: 18,303,748 km (0.067 R)
• M19: 19,030,794 km (0.029 R)
• M20: 21,690,943 km (0.025 R)
• M21: 22,655,401 km (0.053 R)
• M22: 26,549,433 km (0.044 R)
• M23: 27,739,185 km (0.078 R)
• M24: 29,231,274 km (0.026 R)
• M25: 30,591,717 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168

Radius: 9.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.13 AU - 5.75 AU

Year: 7203 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,373,149 km

• M1: 115,789 km (0.102 R)
• M2: 562,189 km (0.107 R)
• M3: 1,153,250 km (0.092 R)
• M4: 2,360,804 km (0.102 R)
• M5: 2,886,940 km (0.1 R)
• M6: 4,512,321 km (0.119 R)
• M7: 4,870,009 km (0.103 R)
• M8: 5,455,236 km (0.088 R)
• M9: 7,997,502 km (0.047 R)
• M10: 10,036,671 km (0.093 R)
• M11: 11,990,120 km (0.055 R)
• M12: 13,393,049 km (0.105 R)
• M13: 15,006,910 km (0.068 R)
• M14: 15,698,202 km (0.119 R)
• M15: 18,556,120 km (0.109 R)
• M16: 21,013,115 km (0.093 R)
• M17: 22,766,851 km (0.093 R)
• M18: 23,750,607 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.1

Radius: 7.6

Gravity: 16.55 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.55 AU - 9.21 AU

Year: 17359 Days

Day: 17.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,373,149 km

• M1: 94,546 km (0.06 R)
• M2: 583,880 km (0.094 R)
• M3: 830,867 km (0.09 R)
• M4: 1,754,783 km (0.1 R)
• M5: 2,078,513 km (0.113 R)
• M6: 2,922,544 km (0.106 R)
• M7: 4,137,279 km (0.09 R)
• M8: 4,504,541 km (0.08 R)
• M9: 5,077,501 km (0.063 R)
• M10: 6,587,991 km (0.068 R)
• M11: 7,230,813 km (0.112 R)
• M12: 7,616,476 km (0.091 R)
• M13: 7,914,775 km (0.05 R)
• M14: 14,785,954 km (0.084 R)
• M15: 15,965,982 km (0.083 R)
• M16: 16,954,226 km (0.106 R)
• M17: 18,601,448 km (0.11 R)
• M18: 22,311,774 km (0.09 R)
• M19: 25,813,861 km (0.107 R)
• M20: 29,300,688 km (0.059 R)
• M21: 31,792,091 km (0.044 R)
• M22: 33,750,925 km (0.115 R)
• M23: 38,340,737 km (0.036 R)
• M24: 39,217,680 km (0.083 R)
• M25: 41,468,530 km (0.091 R)
• M26: 42,237,463 km (0.11 R)
• M27: 49,076,778 km (0.119 R)
• M28: 50,982,655 km (0.055 R)
• M29: 51,511,035 km (0.083 R)
• M30: 54,941,613 km (0.1 R)
• M31: 62,857,585 km (0.045 R)
• M32: 70,406,742 km (0.064 R)
• M33: 75,990,482 km (0.044 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: 327 - 18,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit