🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 11.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.85 AU - 0.89 AU

Year: 524 Days

Day: 13.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,698,475 km

• M1: 143,016 km (0.118 R)
• M2: 512,672 km (0.045 R)
• M3: 1,008,439 km (0.076 R)
• M4: 1,670,410 km (0.071 R)
• M5: 2,104,543 km (0.118 R)
• M6: 2,827,998 km (0.12 R)
• M7: 4,282,239 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764

Radius: 12.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.77 AU - 1.15 AU

Year: 607 Days

Day: 8 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,698,475 km

• M1: 151,094 km (0.092 R)
• M2: 531,820 km (0.087 R)
• M3: 922,271 km (0.101 R)
• M4: 1,657,993 km (0.106 R)
• M5: 2,476,593 km (0.116 R)
• M6: 2,960,991 km (0.069 R)
• M7: 3,391,085 km (0.074 R)
• M8: 3,948,187 km (0.115 R)
• M9: 4,534,311 km (0.072 R)
• M10: 4,990,286 km (0.066 R)
• M11: 6,606,392 km (0.034 R)
• M12: 7,215,853 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.1

Radius: 8.9

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.65 AU - 1.95 AU

Year: 1559 Days

Day: 7.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,698,475 km

• M1: 110,702 km (0.116 R)
• M2: 547,079 km (0.1 R)
• M3: 869,762 km (0.075 R)
• M4: 1,271,881 km (0.057 R)
• M5: 1,732,942 km (0.064 R)
• M6: 2,227,961 km (0.111 R)
• M7: 3,688,635 km (0.066 R)
• M8: 4,332,803 km (0.114 R)
• M9: 4,651,297 km (0.1 R)
• M10: 5,820,105 km (0.092 R)
• M11: 6,333,525 km (0.107 R)
• M12: 8,852,155 km (0.1 R)
• M13: 9,969,651 km (0.084 R)
• M14: 11,215,502 km (0.037 R)
• M15: 11,551,948 km (0.102 R)
• M16: 12,722,551 km (0.117 R)
• M17: 13,799,356 km (0.116 R)
• M18: 14,229,450 km (0.108 R)
• M19: 15,025,909 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386

Radius: 14.2

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.54 AU - 3.84 AU

Year: 3679 Days

Day: 5.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,698,475 km

• M1: 176,675 km (0.063 R)
• M2: 1,033,123 km (0.061 R)
• M3: 1,565,392 km (0.04 R)
• M4: 2,025,106 km (0.089 R)
• M5: 2,756,341 km (0.084 R)
• M6: 3,314,341 km (0.086 R)
• M7: 3,791,708 km (0.096 R)
• M8: 4,399,673 km (0.043 R)
• M9: 5,191,046 km (0.116 R)
• M10: 5,634,005 km (0.027 R)
• M11: 6,484,469 km (0.118 R)
• M12: 7,058,476 km (0.104 R)
• M13: 7,572,943 km (0.092 R)
• M14: 8,079,931 km (0.102 R)
• M15: 8,917,679 km (0.05 R)
• M16: 9,849,673 km (0.116 R)
• M17: 14,002,211 km (0.095 R)
• M18: 15,562,218 km (0.097 R)
• M19: 17,181,465 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.1

Radius: 6.1

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.15 AU - 8.29 AU

Year: 15217 Days

Day: 23.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,698,475 km

• M1: 75,996 km (0.058 R)
• M2: 272,268 km (0.116 R)
• M3: 466,895 km (0.118 R)
• M4: 1,963,173 km (0.108 R)
• M5: 3,251,061 km (0.102 R)
• M6: 3,989,027 km (0.105 R)
• M7: 6,445,574 km (0.075 R)
• M8: 7,270,307 km (0.088 R)
• M9: 7,602,265 km (0.112 R)
• M10: 7,987,778 km (0.11 R)
• M11: 11,060,967 km (0.035 R)
• M12: 11,780,832 km (0.077 R)
• M13: 12,888,305 km (0.118 R)
• M14: 13,252,127 km (0.116 R)
• M15: 13,747,745 km (0.098 R)
• M16: 15,992,760 km (0.066 R)
• M17: 16,840,232 km (0.096 R)
• M18: 25,954,483 km (0.055 R)
• M19: 26,632,011 km (0.064 R)
• M20: 28,941,503 km (0.107 R)
• M21: 34,881,436 km (0.07 R)
• M22: 43,183,071 km (0.057 R)
• M23: 47,213,238 km (0.098 R)
• M24: 47,500,017 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912

Radius: 6.9

Gravity: 19.16 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.57 AU - 12.39 AU

Year: 20357 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,698,475 km

• M1: 85,869 km (0.115 R)
• M2: 338,390 km (0.081 R)
• M3: 783,294 km (0.034 R)
• M4: 2,557,974 km (0.066 R)
• M5: 3,590,648 km (0.068 R)
• M6: 5,028,134 km (0.112 R)
• M7: 10,726,018 km (0.07 R)
• M8: 19,767,414 km (0.099 R)
• M9: 22,896,253 km (0.074 R)
• M10: 24,411,680 km (0.114 R)
• M11: 29,232,471 km (0.046 R)
• M12: 33,545,677 km (0.073 R)
• M13: 33,957,520 km (0.096 R)
• M14: 36,356,023 km (0.103 R)
• M15: 43,407,468 km (0.103 R)
• M16: 44,060,612 km (0.113 R)
• M17: 54,469,333 km (0.034 R)
• M18: 59,333,956 km (0.052 R)
• M19: 61,358,165 km (0.107 R)
• M20: 65,330,288 km (0.03 R)
• M21: 83,687,143 km (0.049 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 13,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit