🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.5

Radius: 14.9

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.49 AU - 0.79 AU

Year: 341 Days

Day: 13.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,264,139 km

• M1: 185,352 km (0.077 R)
• M2: 786,436 km (0.056 R)
• M3: 1,324,390 km (0.07 R)
• M4: 1,857,856 km (0.085 R)
• M5: 2,509,205 km (0.113 R)
• M6: 3,067,205 km (0.064 R)
• M7: 3,591,246 km (0.069 R)
• M8: 4,531,469 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.1

Radius: 11.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.03 AU - 1.23 AU

Year: 801 Days

Day: 11.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,264,139 km

• M1: 139,874 km (0.073 R)
• M2: 1,281,455 km (0.11 R)
• M3: 1,783,655 km (0.115 R)
• M4: 2,547,502 km (0.058 R)
• M5: 3,465,584 km (0.058 R)
• M6: 4,814,359 km (0.108 R)
• M7: 5,179,377 km (0.09 R)
• M8: 6,021,763 km (0.082 R)
• M9: 6,406,978 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.2

Radius: 11

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.98 AU - 2.4 AU

Year: 2161 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,264,139 km

• M1: 136,732 km (0.12 R)
• M2: 564,882 km (0.12 R)
• M3: 940,223 km (0.035 R)
• M4: 1,339,948 km (0.072 R)
• M5: 2,228,709 km (0.086 R)
• M6: 2,727,768 km (0.039 R)
• M7: 3,334,537 km (0.069 R)
• M8: 3,781,385 km (0.119 R)
• M9: 4,147,451 km (0.069 R)
• M10: 4,730,434 km (0.065 R)
• M11: 5,535,420 km (0.08 R)
• M12: 6,243,168 km (0.049 R)
• M13: 6,591,731 km (0.063 R)
• M14: 7,067,303 km (0.063 R)
• M15: 7,416,614 km (0.065 R)
• M16: 8,024,579 km (0.039 R)
• M17: 9,032,570 km (0.103 R)
• M18: 9,869,271 km (0.107 R)
• M19: 10,417,996 km (0.064 R)
• M20: 10,833,130 km (0.084 R)
• M21: 11,536,539 km (0.112 R)
• M22: 16,820,336 km (0.111 R)
• M23: 17,603,929 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.6

Radius: 12.4

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.9 AU - 3.96 AU

Year: 4236 Days

Day: 8.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,264,139 km

• M1: 154,684 km (0.053 R)
• M2: 559,346 km (0.065 R)
• M3: 1,144,873 km (0.086 R)
• M4: 2,352,427 km (0.07 R)
• M5: 4,021,041 km (0.117 R)
• M6: 4,723,254 km (0.043 R)
• M7: 5,226,650 km (0.065 R)
• M8: 6,310,188 km (0.055 R)
• M9: 7,259,985 km (0.115 R)
• M10: 8,153,084 km (0.073 R)
• M11: 9,078,197 km (0.11 R)
• M12: 10,908,976 km (0.095 R)
• M13: 12,373,689 km (0.08 R)
• M14: 13,127,662 km (0.046 R)
• M15: 15,232,055 km (0.111 R)
• M16: 18,634,360 km (0.095 R)
• M17: 22,809,487 km (0.12 R)
• M18: 23,561,365 km (0.088 R)
• M19: 24,097,375 km (0.119 R)
• M20: 26,159,880 km (0.107 R)
• M21: 28,337,577 km (0.108 R)
• M22: 29,294,255 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.3

Radius: 7.1

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.09 AU - 7.87 AU

Year: 11000 Days

Day: 17.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,264,139 km

• M1: 88,263 km (0.071 R)
• M2: 464,651 km (0.06 R)
• M3: 752,178 km (0.07 R)
• M4: 1,066,483 km (0.1 R)
• M5: 1,930,261 km (0.1 R)
• M6: 2,446,823 km (0.056 R)
• M7: 2,781,174 km (0.119 R)
• M8: 3,752,363 km (0.12 R)
• M9: 4,227,337 km (0.041 R)
• M10: 5,229,493 km (0.098 R)
• M11: 8,138,423 km (0.104 R)
• M12: 9,275,517 km (0.095 R)
• M13: 10,515,085 km (0.1 R)
• M14: 12,881,873 km (0.078 R)
• M15: 13,572,716 km (0.1 R)
• M16: 19,849,244 km (0.064 R)
• M17: 20,348,003 km (0.113 R)
• M18: 21,370,804 km (0.091 R)
• M19: 23,796,533 km (0.1 R)
• M20: 25,904,218 km (0.078 R)
• M21: 27,410,668 km (0.092 R)
• M22: 27,718,840 km (0.069 R)
• M23: 28,446,783 km (0.084 R)
• M24: 30,267,688 km (0.084 R)
• M25: 32,393,325 km (0.117 R)
• M26: 34,140,328 km (0.117 R)
• M27: 40,019,525 km (0.061 R)
• M28: 40,416,109 km (0.056 R)
• M29: 41,621,868 km (0.095 R)
• M30: 42,029,073 km (0.03 R)
• M31: 43,684,373 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.1

Radius: 6.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.08 AU - 9 AU

Year: 16642 Days

Day: 25 Hours

Environment

Temp: -240 °C

Axial Tilt: 172.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,264,139 km

• M1: 98,735 km (0.116 R)
• M2: 1,014,573 km (0.054 R)
• M3: 1,458,130 km (0.062 R)
• M4: 2,785,363 km (0.079 R)
• M5: 4,580,986 km (0.076 R)
• M6: 5,878,000 km (0.108 R)
• M7: 6,104,940 km (0.087 R)
• M8: 8,624,916 km (0.111 R)
• M9: 11,919,061 km (0.085 R)
• M10: 12,441,905 km (0.041 R)
• M11: 17,653,596 km (0.088 R)
• M12: 19,598,667 km (0.094 R)
• M13: 27,258,976 km (0.113 R)
• M14: 33,721,305 km (0.119 R)
• M15: 36,264,169 km (0.089 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 20,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit