🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 14.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.58 AU - 0.8 AU

Year: 376 Days

Day: 14.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,931,293 km

• M1: 177,872 km (0.083 R)
• M2: 807,081 km (0.095 R)
• M3: 1,315,863 km (0.104 R)
• M4: 1,776,624 km (0.084 R)
• M5: 2,356,017 km (0.119 R)
• M6: 2,911,175 km (0.064 R)
• M7: 4,061,881 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.9

Radius: 14.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.5 AU - 2.1 AU

Year: 1584 Days

Day: 10.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,931,293 km

• M1: 185,801 km (0.077 R)
• M2: 666,459 km (0.12 R)
• M3: 1,520,812 km (0.055 R)
• M4: 2,294,532 km (0.067 R)
• M5: 3,027,861 km (0.119 R)
• M6: 3,914,228 km (0.079 R)
• M7: 4,409,996 km (0.087 R)
• M8: 6,133,662 km (0.111 R)
• M9: 6,633,768 km (0.074 R)
• M10: 7,501,436 km (0.102 R)
• M11: 8,706,147 km (0.069 R)
• M12: 9,715,335 km (0.036 R)
• M13: 10,530,942 km (0.066 R)
• M14: 11,111,232 km (0.065 R)
• M15: 11,893,928 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 8.9

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.9 AU - 2.66 AU

Year: 2258 Days

Day: 8.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,931,293 km

• M1: 110,702 km (0.102 R)
• M2: 410,796 km (0.099 R)
• M3: 762,650 km (0.089 R)
• M4: 1,119,890 km (0.09 R)
• M5: 2,158,398 km (0.101 R)
• M6: 2,610,034 km (0.071 R)
• M7: 3,059,875 km (0.099 R)
• M8: 3,404,848 km (0.117 R)
• M9: 3,794,101 km (0.079 R)
• M10: 4,095,691 km (0.064 R)
• M11: 6,204,721 km (0.06 R)
• M12: 6,841,859 km (0.116 R)
• M13: 7,319,225 km (0.074 R)
• M14: 7,788,514 km (0.103 R)
• M15: 9,183,364 km (0.087 R)
• M16: 13,002,149 km (0.075 R)
• M17: 13,429,850 km (0.109 R)
• M18: 14,677,795 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.1

Radius: 10.5

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.09 AU - 2.61 AU

Year: 2363 Days

Day: 6.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,931,293 km

• M1: 130,599 km (0.116 R)
• M2: 469,438 km (0.114 R)
• M3: 811,868 km (0.114 R)
• M4: 1,449,454 km (0.098 R)
• M5: 2,014,335 km (0.118 R)
• M6: 2,576,225 km (0.072 R)
• M7: 3,676,068 km (0.087 R)
• M8: 5,752,487 km (0.091 R)
• M9: 6,158,047 km (0.101 R)
• M10: 6,664,585 km (0.102 R)
• M11: 8,352,498 km (0.079 R)
• M12: 9,142,375 km (0.034 R)
• M13: 9,909,513 km (0.076 R)
• M14: 10,531,092 km (0.065 R)
• M15: 10,908,826 km (0.041 R)
• M16: 11,452,764 km (0.07 R)
• M17: 12,511,020 km (0.069 R)
• M18: 14,356,459 km (0.074 R)
• M19: 15,781,229 km (0.077 R)
• M20: 16,578,586 km (0.114 R)
• M21: 17,560,097 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 16,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit