🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.2

Radius: 10.2

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.81 AU - 0.87 AU

Year: 497 Days

Day: 5.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,740,440 km

• M1: 166,203 km (0.07 R)
• M2: 536,907 km (0.06 R)
• M3: 1,181,674 km (0.117 R)
• M4: 1,514,230 km (0.092 R)
• M5: 1,918,892 km (0.041 R)
• M6: 2,495,741 km (0.057 R)
• M7: 2,847,895 km (0.085 R)
• M8: 3,282,327 km (0.109 R)
• M9: 3,680,108 km (0.057 R)
• M10: 4,285,081 km (0.107 R)
• M11: 4,619,732 km (0.062 R)
• M12: 4,938,974 km (0.053 R)
• M13: 5,393,452 km (0.116 R)
• M14: 6,504,216 km (0.115 R)
• M15: 6,906,335 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.3

Radius: 9

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.99 AU - 1.39 AU

Year: 838 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,740,440 km

• M1: 111,899 km (0.049 R)
• M2: 430,842 km (0.053 R)
• M3: 781,499 km (0.04 R)
• M4: 1,188,405 km (0.092 R)
• M5: 1,884,484 km (0.069 R)
• M6: 2,173,507 km (0.038 R)
• M7: 2,571,288 km (0.108 R)
• M8: 3,700,752 km (0.076 R)
• M9: 4,063,976 km (0.077 R)
• M10: 5,682,176 km (0.093 R)
• M11: 6,744,919 km (0.043 R)
• M12: 7,172,919 km (0.05 R)
• M13: 8,158,619 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.2

Radius: 8.5

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.63 AU - 2.41 AU

Year: 1854 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,740,440 km

• M1: 107,561 km (0.114 R)
• M2: 396,734 km (0.046 R)
• M3: 797,357 km (0.073 R)
• M4: 1,139,038 km (0.114 R)
• M5: 1,827,637 km (0.067 R)
• M6: 2,307,398 km (0.094 R)
• M7: 2,672,117 km (0.093 R)
• M8: 3,045,065 km (0.114 R)
• M9: 3,387,494 km (0.083 R)
• M10: 4,168,694 km (0.079 R)
• M11: 4,692,137 km (0.084 R)
• M12: 5,043,692 km (0.105 R)
• M13: 5,823,247 km (0.096 R)
• M14: 6,427,622 km (0.119 R)
• M15: 6,783,964 km (0.057 R)
• M16: 9,758,568 km (0.073 R)
• M17: 10,681,138 km (0.108 R)
• M18: 10,965,374 km (0.067 R)
• M19: 12,738,408 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466

Radius: 13

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.31 AU - 6.97 AU

Year: 8648 Days

Day: 7.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,740,440 km

• M1: 161,715 km (0.046 R)
• M2: 578,645 km (0.094 R)
• M3: 1,410,259 km (0.102 R)
• M4: 2,014,635 km (0.118 R)
• M5: 2,984,777 km (0.111 R)
• M6: 5,040,102 km (0.115 R)
• M7: 6,330,084 km (0.115 R)
• M8: 6,853,527 km (0.085 R)
• M9: 10,244,612 km (0.118 R)
• M10: 11,017,434 km (0.11 R)
• M11: 13,400,528 km (0.109 R)
• M12: 14,443,674 km (0.101 R)
• M13: 15,728,271 km (0.042 R)
• M14: 20,638,073 km (0.105 R)
• M15: 21,094,796 km (0.08 R)
• M16: 21,636,190 km (0.079 R)
• M17: 22,827,438 km (0.079 R)
• M18: 23,480,433 km (0.088 R)
• M19: 24,314,142 km (0.086 R)
• M20: 25,776,760 km (0.085 R)
• M21: 27,663,339 km (0.116 R)
• M22: 28,499,591 km (0.046 R)
• M23: 29,640,574 km (0.054 R)
• M24: 32,115,072 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.2

Radius: 3.8

Gravity: 22.94 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.33 AU - 10.43 AU

Year: 15663 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 50,740,440 km

• M1: 47,273 km (0.093 R)
• M2: 208,240 km (0.1 R)
• M3: 537,206 km (0.106 R)
• M4: 696,827 km (0.027 R)
• M5: 1,078,750 km (0.099 R)
• M6: 1,616,704 km (0.078 R)
• M7: 1,919,191 km (0.111 R)
• M8: 2,258,180 km (0.104 R)
• M9: 2,677,951 km (0.082 R)
• M10: 4,484,346 km (0.109 R)
• M11: 4,853,853 km (0.101 R)
• M12: 7,216,302 km (0.111 R)
• M13: 9,634,252 km (0.035 R)
• M14: 10,353,070 km (0.085 R)
• M15: 11,106,894 km (0.091 R)
• M16: 11,667,138 km (0.086 R)
• M17: 13,713,487 km (0.104 R)
• M18: 15,916,615 km (0.119 R)
• M19: 18,114,357 km (0.073 R)
• M20: 18,968,412 km (0.104 R)
• M21: 20,011,857 km (0.041 R)
• M22: 21,864,028 km (0.101 R)
• M23: 23,010,546 km (0.103 R)
• M24: 24,946,193 km (0.079 R)
• M25: 26,689,457 km (0.069 R)
• M26: 26,987,755 km (0.051 R)
• M27: 29,032,908 km (0.104 R)
• M28: 32,291,000 km (0.083 R)
• M29: 33,775,459 km (0.116 R)
• M30: 34,475,577 km (0.112 R)
• M31: 35,544,005 km (0.102 R)
• M32: 36,025,860 km (0.051 R)
• M33: 36,268,358 km (0.088 R)
• M34: 36,879,465 km (0.098 R)
• M35: 37,871,599 km (0.111 R)
• M36: 42,421,468 km (0.057 R)
• M37: 43,923,431 km (0.085 R)
• M38: 46,456,721 km (0.115 R)
• M39: 48,937,353 km (0.08 R)
• M40: 49,085,904 km (0.065 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 18,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit