🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.7

Radius: 11.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.54 AU - 0.6 AU

Year: 302 Days

Day: 6.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 11,639,211 km

• M1: 143,016 km (0.087 R)
• M2: 645,515 km (0.027 R)
• M3: 1,015,321 km (0.1 R)
• M4: 1,489,546 km (0.088 R)
• M5: 2,103,645 km (0.095 R)
• M6: 2,544,361 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 12.1

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.56 AU - 0.74 AU

Year: 368 Days

Day: 12 Hours

Environment

Temp: -146 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,639,211 km

• M1: 150,495 km (0.031 R)
• M2: 531,372 km (0.072 R)
• M3: 917,933 km (0.102 R)
• M4: 1,297,762 km (0.082 R)
• M5: 1,908,719 km (0.106 R)
• M6: 2,349,883 km (0.12 R)
• M7: 3,019,783 km (0.068 R)
• M8: 3,917,071 km (0.112 R)
• M9: 4,392,941 km (0.079 R)
• M10: 4,999,561 km (0.12 R)
• M11: 5,917,942 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.4

Radius: 12.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.75 AU - 0.89 AU

Year: 522 Days

Day: 14.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,639,211 km

• M1: 150,645 km (0.07 R)
• M2: 576,700 km (0.083 R)
• M3: 1,065,735 km (0.1 R)
• M4: 2,098,110 km (0.034 R)
• M5: 2,691,565 km (0.117 R)
• M6: 3,373,133 km (0.029 R)
• M7: 3,790,511 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 14.1

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.15 AU - 1.45 AU

Year: 1042 Days

Day: 13.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 11,639,211 km

• M1: 175,329 km (0.095 R)
• M2: 614,847 km (0.073 R)
• M3: 1,125,126 km (0.087 R)
• M4: 1,615,059 km (0.074 R)
• M5: 2,058,467 km (0.076 R)
• M6: 2,980,588 km (0.114 R)
• M7: 3,432,374 km (0.091 R)
• M8: 4,405,358 km (0.087 R)
• M9: 5,210,643 km (0.048 R)
• M10: 6,134,261 km (0.098 R)
• M11: 6,896,611 km (0.061 R)
• M12: 8,865,020 km (0.075 R)
• M13: 10,307,144 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 10.1

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.37 AU - 1.91 AU

Year: 1476 Days

Day: 13.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 11,639,211 km

• M1: 127,906 km (0.067 R)
• M2: 566,228 km (0.102 R)
• M3: 1,041,052 km (0.07 R)
• M4: 1,522,009 km (0.067 R)
• M5: 2,104,543 km (0.115 R)
• M6: 3,045,813 km (0.105 R)
• M7: 3,496,252 km (0.071 R)
• M8: 3,924,401 km (0.119 R)
• M9: 4,715,923 km (0.052 R)
• M10: 5,361,438 km (0.117 R)
• M11: 5,845,537 km (0.105 R)
• M12: 6,949,719 km (0.087 R)
• M13: 8,407,550 km (0.092 R)
• M14: 9,267,738 km (0.066 R)
• M15: 9,658,188 km (0.106 R)
• M16: 10,407,973 km (0.11 R)
• M17: 11,331,141 km (0.034 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 12,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit