🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.2

Radius: 10.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.88 AU - 1.24 AU

Year: 705 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,734,389 km

• M1: 134,339 km (0.054 R)
• M2: 546,182 km (0.078 R)
• M3: 903,721 km (0.109 R)
• M4: 1,494,932 km (0.096 R)
• M5: 2,014,186 km (0.104 R)
• M6: 2,781,623 km (0.11 R)
• M7: 4,029,119 km (0.109 R)
• M8: 4,667,753 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.8

Radius: 13.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.34 AU - 1.58 AU

Year: 1139 Days

Day: 15 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,734,389 km

• M1: 170,542 km (0.098 R)
• M2: 665,112 km (0.104 R)
• M3: 1,199,027 km (0.029 R)
• M4: 1,662,481 km (0.06 R)
• M5: 3,276,493 km (0.03 R)
• M6: 4,160,018 km (0.061 R)
• M7: 5,344,982 km (0.051 R)
• M8: 5,826,239 km (0.113 R)
• M9: 7,032,895 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.1

Radius: 13.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.42 AU - 1.8 AU

Year: 1319 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,734,389 km

• M1: 171,888 km (0.076 R)
• M2: 660,475 km (0.115 R)
• M3: 1,106,426 km (0.077 R)
• M4: 1,835,117 km (0.111 R)
• M5: 2,570,091 km (0.097 R)
• M6: 3,177,459 km (0.079 R)
• M7: 4,665,958 km (0.071 R)
• M8: 5,615,605 km (0.109 R)
• M9: 6,168,369 km (0.114 R)
• M10: 7,194,461 km (0.076 R)
• M11: 7,773,255 km (0.102 R)
• M12: 8,357,135 km (0.096 R)
• M13: 8,888,507 km (0.118 R)
• M14: 9,584,436 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.8

Radius: 13.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.45 AU - 2.27 AU

Year: 1638 Days

Day: 12.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,734,389 km

• M1: 163,810 km (0.101 R)
• M2: 589,266 km (0.055 R)
• M3: 1,014,274 km (0.105 R)
• M4: 1,456,186 km (0.072 R)
• M5: 2,423,934 km (0.034 R)
• M6: 3,589,751 km (0.074 R)
• M7: 4,841,885 km (0.044 R)
• M8: 5,515,225 km (0.093 R)
• M9: 6,134,709 km (0.089 R)
• M10: 7,330,744 km (0.11 R)
• M11: 8,220,253 km (0.057 R)
• M12: 9,988,201 km (0.118 R)
• M13: 10,944,879 km (0.104 R)
• M14: 11,358,218 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.4

Radius: 12.7

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.02 AU - 4.72 AU

Year: 5898 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,734,389 km

• M1: 157,975 km (0.071 R)
• M2: 577,597 km (0.099 R)
• M3: 1,336,059 km (0.104 R)
• M4: 1,814,323 km (0.103 R)
• M5: 2,355,718 km (0.113 R)
• M6: 3,381,959 km (0.113 R)
• M7: 3,839,729 km (0.117 R)
• M8: 5,811,428 km (0.104 R)
• M9: 6,302,409 km (0.109 R)
• M10: 8,927,851 km (0.119 R)
• M11: 11,794,595 km (0.091 R)
• M12: 14,386,229 km (0.099 R)
• M13: 15,721,240 km (0.11 R)
• M14: 16,290,610 km (0.114 R)
• M15: 19,418,252 km (0.026 R)
• M16: 20,744,438 km (0.049 R)
• M17: 22,845,689 km (0.081 R)
• M18: 23,412,815 km (0.1 R)
• M19: 27,924,687 km (0.101 R)
• M20: 33,088,207 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.8

Radius: 3.9

Gravity: 24.44 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.44 AU - 10.32 AU

Year: 15663 Days

Day: 17.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,734,389 km

• M1: 48,919 km (0.081 R)
• M2: 172,486 km (0.077 R)
• M3: 594,352 km (0.116 R)
• M4: 963,859 km (0.099 R)
• M5: 1,360,293 km (0.085 R)
• M6: 1,618,051 km (0.045 R)
• M7: 3,574,492 km (0.075 R)
• M8: 5,448,953 km (0.109 R)
• M9: 7,371,435 km (0.077 R)
• M10: 7,499,341 km (0.105 R)
• M11: 8,814,157 km (0.116 R)
• M12: 9,202,214 km (0.089 R)
• M13: 9,601,640 km (0.079 R)
• M14: 10,012,436 km (0.082 R)
• M15: 13,411,599 km (0.072 R)
• M16: 16,687,792 km (0.047 R)
• M17: 19,065,201 km (0.056 R)
• M18: 19,387,435 km (0.06 R)
• M19: 20,628,499 km (0.063 R)
• M20: 22,994,240 km (0.046 R)
• M21: 25,050,762 km (0.116 R)
• M22: 30,501,510 km (0.088 R)
• M23: 30,831,672 km (0.111 R)
• M24: 31,053,077 km (0.105 R)
• M25: 31,723,874 km (0.098 R)
• M26: 32,633,130 km (0.089 R)
• M27: 35,708,264 km (0.117 R)
• M28: 39,620,248 km (0.118 R)
• M29: 40,013,391 km (0.071 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 16,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit