🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.4

Radius: 10.1

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.59 AU - 0.75 AU

Year: 385 Days

Day: 14 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,824,737 km

• M1: 125,662 km (0.073 R)
• M2: 442,211 km (0.116 R)
• M3: 842,685 km (0.112 R)
• M4: 1,315,115 km (0.068 R)
• M5: 1,664,127 km (0.091 R)
• M6: 2,002,517 km (0.107 R)
• M7: 2,453,106 km (0.119 R)
• M8: 3,195,261 km (0.074 R)
• M9: 3,591,994 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.5

Radius: 10.3

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.97 AU - 1.41 AU

Year: 912 Days

Day: 10.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,824,737 km

• M1: 135,087 km (0.112 R)
• M2: 473,627 km (0.101 R)
• M3: 871,258 km (0.042 R)
• M4: 2,554,832 km (0.065 R)
• M5: 3,190,923 km (0.102 R)
• M6: 4,398,177 km (0.091 R)
• M7: 5,217,974 km (0.113 R)
• M8: 5,764,904 km (0.11 R)
• M9: 7,420,054 km (0.099 R)
• M10: 8,061,680 km (0.087 R)
• M11: 8,500,899 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 9.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.88 AU - 3.3 AU

Year: 3818 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,824,737 km

• M1: 118,781 km (0.118 R)
• M2: 418,126 km (0.109 R)
• M3: 761,154 km (0.1 R)
• M4: 1,413,101 km (0.105 R)
• M5: 2,047,396 km (0.118 R)
• M6: 2,608,837 km (0.051 R)
• M7: 2,959,644 km (0.115 R)
• M8: 3,856,035 km (0.092 R)
• M9: 5,066,730 km (0.076 R)
• M10: 13,820,450 km (0.042 R)
• M11: 15,398,109 km (0.101 R)
• M12: 15,758,640 km (0.059 R)
• M13: 17,423,365 km (0.12 R)
• M14: 17,927,958 km (0.119 R)
• M15: 19,261,773 km (0.114 R)
• M16: 20,785,278 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.2

Radius: 13.2

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.7 AU - 3.82 AU

Year: 4137 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,824,737 km

• M1: 165,306 km (0.081 R)
• M2: 739,612 km (0.104 R)
• M3: 1,312,721 km (0.069 R)
• M4: 2,091,977 km (0.095 R)
• M5: 2,612,428 km (0.117 R)
• M6: 3,660,510 km (0.057 R)
• M7: 4,691,988 km (0.077 R)
• M8: 5,764,006 km (0.086 R)
• M9: 6,175,699 km (0.102 R)
• M10: 6,895,115 km (0.071 R)
• M11: 10,431,160 km (0.1 R)
• M12: 11,683,295 km (0.079 R)
• M13: 14,378,001 km (0.113 R)
• M14: 18,456,189 km (0.111 R)
• M15: 22,517,771 km (0.075 R)
• M16: 23,694,059 km (0.06 R)
• M17: 24,988,230 km (0.092 R)
• M18: 26,490,043 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.7

Radius: 13.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.93 AU - 3.95 AU

Year: 4485 Days

Day: 8.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,824,737 km

• M1: 172,187 km (0.108 R)
• M2: 664,963 km (0.078 R)
• M3: 1,200,373 km (0.067 R)
• M4: 1,830,480 km (0.086 R)
• M5: 2,268,353 km (0.105 R)
• M6: 4,255,162 km (0.095 R)
• M7: 6,207,264 km (0.113 R)
• M8: 9,756,025 km (0.082 R)
• M9: 11,386,044 km (0.078 R)
• M10: 17,482,456 km (0.114 R)
• M11: 19,162,590 km (0.066 R)
• M12: 23,351,330 km (0.094 R)
• M13: 24,241,737 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.3

Radius: 7.5

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.79 AU - 7.73 AU

Year: 12355 Days

Day: 21.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,824,737 km

• M1: 93,199 km (0.116 R)
• M2: 336,894 km (0.088 R)
• M3: 725,699 km (0.113 R)
• M4: 1,052,421 km (0.117 R)
• M5: 1,462,319 km (0.05 R)
• M6: 1,797,269 km (0.063 R)
• M7: 4,898,732 km (0.096 R)
• M8: 5,482,612 km (0.087 R)
• M9: 8,112,842 km (0.107 R)
• M10: 8,514,512 km (0.113 R)
• M11: 12,689,191 km (0.071 R)
• M12: 13,291,771 km (0.115 R)
• M13: 14,103,339 km (0.101 R)
• M14: 14,489,003 km (0.088 R)
• M15: 15,416,061 km (0.104 R)
• M16: 16,241,542 km (0.08 R)
• M17: 16,951,832 km (0.113 R)
• M18: 17,534,815 km (0.09 R)
• M19: 24,302,772 km (0.06 R)
• M20: 24,950,382 km (0.042 R)
• M21: 25,799,798 km (0.097 R)
• M22: 26,766,051 km (0.066 R)
• M23: 27,258,228 km (0.084 R)
• M24: 32,072,587 km (0.115 R)
• M25: 36,574,286 km (0.097 R)
• M26: 37,058,534 km (0.117 R)
• M27: 38,912,650 km (0.099 R)
• M28: 39,671,261 km (0.116 R)
• M29: 40,182,586 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 12,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit