🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.9

Radius: 9.9

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.24 AU - 1.92 AU

Year: 1396 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,276,196 km

• M1: 124,316 km (0.097 R)
• M2: 468,541 km (0.102 R)
• M3: 823,686 km (0.039 R)
• M4: 1,151,455 km (0.036 R)
• M5: 1,894,059 km (0.108 R)
• M6: 2,569,343 km (0.113 R)
• M7: 3,666,644 km (0.074 R)
• M8: 4,123,965 km (0.084 R)
• M9: 4,910,700 km (0.091 R)
• M10: 5,298,158 km (0.096 R)
• M11: 5,772,234 km (0.098 R)
• M12: 6,780,823 km (0.118 R)
• M13: 8,464,996 km (0.105 R)
• M14: 8,903,916 km (0.079 R)
• M15: 9,606,427 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.5

Radius: 8.7

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.25 AU - 2.08 AU

Year: 1503 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,276,196 km

• M1: 108,159 km (0.081 R)
• M2: 478,713 km (0.041 R)
• M3: 1,018,612 km (0.102 R)
• M4: 1,528,890 km (0.104 R)
• M5: 2,002,517 km (0.106 R)
• M6: 2,571,139 km (0.112 R)
• M7: 3,057,631 km (0.1 R)
• M8: 5,549,034 km (0.056 R)
• M9: 5,827,585 km (0.028 R)
• M10: 6,262,915 km (0.119 R)
• M11: 7,036,785 km (0.118 R)
• M12: 7,729,273 km (0.029 R)
• M13: 8,195,719 km (0.106 R)
• M14: 8,527,228 km (0.106 R)
• M15: 9,943,770 km (0.053 R)
• M16: 14,246,654 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.2

Radius: 10.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.33 AU - 2.01 AU

Year: 1517 Days

Day: 5.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,276,196 km

• M1: 130,599 km (0.101 R)
• M2: 462,557 km (0.101 R)
• M3: 983,606 km (0.115 R)
• M4: 1,407,118 km (0.114 R)
• M5: 1,841,251 km (0.105 R)
• M6: 2,332,081 km (0.109 R)
• M7: 2,996,745 km (0.115 R)
• M8: 3,464,687 km (0.045 R)
• M9: 4,011,916 km (0.116 R)
• M10: 4,430,341 km (0.099 R)
• M11: 4,842,333 km (0.119 R)
• M12: 7,394,174 km (0.114 R)
• M13: 7,729,722 km (0.108 R)
• M14: 8,303,131 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.8

Radius: 13.8

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.07 AU - 3.25 AU

Year: 3949 Days

Day: 6.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,276,196 km

• M1: 180,864 km (0.036 R)
• M2: 627,264 km (0.11 R)
• M3: 1,456,634 km (0.084 R)
• M4: 2,003,863 km (0.092 R)
• M5: 3,766,725 km (0.116 R)
• M6: 4,602,827 km (0.077 R)
• M7: 12,624,564 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.6

Radius: 12.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.85 AU - 3.55 AU

Year: 4024 Days

Day: 13.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,276,196 km

• M1: 156,779 km (0.059 R)
• M2: 581,038 km (0.08 R)
• M3: 1,202,617 km (0.097 R)
• M4: 1,687,464 km (0.065 R)
• M5: 2,099,606 km (0.096 R)
• M6: 3,064,213 km (0.113 R)
• M7: 4,616,141 km (0.06 R)
• M8: 5,087,674 km (0.065 R)
• M9: 5,617,400 km (0.113 R)
• M10: 6,045,549 km (0.093 R)
• M11: 6,998,039 km (0.07 R)
• M12: 10,945,029 km (0.111 R)
• M13: 11,445,434 km (0.114 R)
• M14: 11,917,415 km (0.115 R)
• M15: 13,985,755 km (0.116 R)
• M16: 16,662,211 km (0.104 R)
• M17: 17,891,307 km (0.063 R)
• M18: 18,763,313 km (0.118 R)
• M19: 19,420,646 km (0.073 R)
• M20: 21,035,555 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.9

Radius: 9.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.92 AU - 4.2 AU

Year: 4722 Days

Day: 5.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,276,196 km

• M1: 114,442 km (0.039 R)
• M2: 404,513 km (0.067 R)
• M3: 759,209 km (0.043 R)
• M4: 1,219,671 km (0.102 R)
• M5: 1,595,760 km (0.11 R)
• M6: 3,137,367 km (0.06 R)
• M7: 3,766,126 km (0.109 R)
• M8: 4,687,948 km (0.053 R)
• M9: 6,201,879 km (0.097 R)
• M10: 7,369,490 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.6

Radius: 5.8

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.16 AU - 9.6 AU

Year: 17052 Days

Day: 16.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,276,196 km

• M1: 72,555 km (0.1 R)
• M2: 643,271 km (0.103 R)
• M3: 1,000,361 km (0.067 R)
• M4: 1,425,967 km (0.055 R)
• M5: 5,457,630 km (0.076 R)
• M6: 7,888,146 km (0.034 R)
• M7: 11,518,138 km (0.11 R)
• M8: 13,375,845 km (0.081 R)
• M9: 19,965,930 km (0.094 R)
• M10: 33,976,668 km (0.097 R)
• M11: 38,002,197 km (0.069 R)
• M12: 38,638,587 km (0.112 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: 433 - 17,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit