🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 12.6

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.88 AU - 1.06 AU

Year: 617 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,392,677 km

• M1: 156,629 km (0.093 R)
• M2: 760,855 km (0.069 R)
• M3: 1,790,537 km (0.116 R)
• M4: 2,199,986 km (0.09 R)
• M5: 3,090,692 km (0.07 R)
• M6: 3,838,831 km (0.113 R)
• M7: 5,496,974 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.9

Radius: 14.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.79 AU - 1.23 AU

Year: 655 Days

Day: 6.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,392,677 km

• M1: 176,525 km (0.082 R)
• M2: 680,222 km (0.034 R)
• M3: 1,148,463 km (0.105 R)
• M4: 1,704,518 km (0.095 R)
• M5: 2,218,836 km (0.111 R)
• M6: 2,756,341 km (0.105 R)
• M7: 3,255,399 km (0.111 R)
• M8: 3,777,496 km (0.025 R)
• M9: 4,314,103 km (0.06 R)
• M10: 5,160,827 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.6

Radius: 10

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.5 AU - 3.3 AU

Year: 3189 Days

Day: 12.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,392,677 km

• M1: 124,316 km (0.093 R)
• M2: 441,613 km (0.11 R)
• M3: 982,409 km (0.091 R)
• M4: 1,888,075 km (0.12 R)
• M5: 2,245,464 km (0.069 R)
• M6: 2,591,634 km (0.107 R)
• M7: 3,067,056 km (0.115 R)
• M8: 3,512,708 km (0.066 R)
• M9: 4,638,432 km (0.078 R)
• M10: 5,092,312 km (0.096 R)
• M11: 6,216,390 km (0.095 R)
• M12: 9,213,284 km (0.066 R)
• M13: 10,216,039 km (0.092 R)
• M14: 11,023,867 km (0.119 R)
• M15: 11,993,112 km (0.102 R)
• M16: 12,808,570 km (0.071 R)
• M17: 14,055,917 km (0.075 R)
• M18: 14,459,083 km (0.113 R)
• M19: 14,962,330 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.1

Radius: 13.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.37 AU - 4.17 AU

Year: 4726 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,392,677 km

• M1: 164,558 km (0.081 R)
• M2: 730,337 km (0.038 R)
• M3: 1,344,286 km (0.046 R)
• M4: 1,979,180 km (0.111 R)
• M5: 2,672,416 km (0.099 R)
• M6: 3,442,247 km (0.099 R)
• M7: 3,945,793 km (0.052 R)
• M8: 5,451,646 km (0.1 R)
• M9: 6,381,097 km (0.104 R)
• M10: 7,550,055 km (0.055 R)
• M11: 8,780,797 km (0.074 R)
• M12: 9,364,528 km (0.025 R)
• M13: 10,784,062 km (0.118 R)
• M14: 13,478,918 km (0.025 R)
• M15: 15,396,164 km (0.102 R)
• M16: 16,536,549 km (0.093 R)
• M17: 17,187,449 km (0.048 R)
• M18: 20,162,951 km (0.098 R)
• M19: 21,878,240 km (0.104 R)
• M20: 24,364,556 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.4

Radius: 5.1

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.88 AU - 11.1 AU

Year: 21937 Days

Day: 16.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,392,677 km

• M1: 72,256 km (0.092 R)
• M2: 425,307 km (0.108 R)
• M3: 3,118,368 km (0.051 R)
• M4: 4,065,023 km (0.098 R)
• M5: 4,588,765 km (0.105 R)
• M6: 5,769,691 km (0.109 R)
• M7: 6,167,771 km (0.109 R)
• M8: 8,902,120 km (0.072 R)
• M9: 9,832,619 km (0.098 R)
• M10: 10,989,011 km (0.082 R)
• M11: 12,708,190 km (0.109 R)
• M12: 13,694,638 km (0.118 R)
• M13: 16,596,986 km (0.066 R)
• M14: 19,562,016 km (0.073 R)
• M15: 21,982,809 km (0.115 R)
• M16: 24,783,580 km (0.061 R)
• M17: 27,711,958 km (0.045 R)
• M18: 28,633,481 km (0.071 R)
• M19: 35,663,684 km (0.047 R)
• M20: 41,070,749 km (0.084 R)
• M21: 41,999,602 km (0.093 R)
• M22: 44,730,811 km (0.119 R)
• M23: 49,194,362 km (0.094 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: 328 - 19,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit