🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.4

Radius: 8.4

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.57 AU - 0.95 AU

Year: 442 Days

Day: 9.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,965,251 km

• M1: 104,419 km (0.113 R)
• M2: 391,647 km (0.101 R)
• M3: 666,459 km (0.089 R)
• M4: 997,668 km (0.112 R)
• M5: 1,284,597 km (0.032 R)
• M6: 1,619,995 km (0.072 R)
• M7: 2,056,372 km (0.042 R)
• M8: 2,630,230 km (0.11 R)
• M9: 2,971,762 km (0.04 R)
• M10: 3,428,035 km (0.098 R)
• M11: 3,916,771 km (0.12 R)
• M12: 4,192,331 km (0.059 R)
• M13: 4,584,876 km (0.081 R)
• M14: 5,146,316 km (0.115 R)
• M15: 5,858,253 km (0.12 R)
• M16: 6,238,082 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.3

Radius: 13.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.94 AU - 2.46 AU

Year: 2176 Days

Day: 6.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,965,251 km

• M1: 167,998 km (0.103 R)
• M2: 782,846 km (0.101 R)
• M3: 1,322,445 km (0.053 R)
• M4: 1,917,845 km (0.068 R)
• M5: 2,492,450 km (0.073 R)
• M6: 2,934,063 km (0.101 R)
• M7: 3,400,060 km (0.119 R)
• M8: 3,946,691 km (0.09 R)
• M9: 4,761,102 km (0.119 R)
• M10: 5,351,415 km (0.112 R)
• M11: 6,073,823 km (0.088 R)
• M12: 6,635,264 km (0.088 R)
• M13: 8,851,556 km (0.07 R)
• M14: 9,404,470 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.9

Radius: 13.7

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.15 AU - 2.55 AU

Year: 2402 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,965,251 km

• M1: 170,392 km (0.046 R)
• M2: 752,178 km (0.098 R)
• M3: 1,251,685 km (0.07 R)
• M4: 1,862,344 km (0.114 R)
• M5: 2,478,538 km (0.113 R)
• M6: 3,914,677 km (0.109 R)
• M7: 4,535,807 km (0.089 R)
• M8: 5,029,780 km (0.11 R)
• M9: 5,912,557 km (0.092 R)
• M10: 8,302,831 km (0.109 R)
• M11: 9,361,087 km (0.092 R)
• M12: 10,351,425 km (0.071 R)
• M13: 10,792,290 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.1

Radius: 15

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.13 AU - 3.45 AU

Year: 3979 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,965,251 km

• M1: 186,549 km (0.077 R)
• M2: 737,218 km (0.116 R)
• M3: 1,345,334 km (0.079 R)
• M4: 2,288,847 km (0.091 R)
• M5: 3,184,490 km (0.054 R)
• M6: 3,662,305 km (0.11 R)
• M7: 5,421,726 km (0.069 R)
• M8: 6,350,430 km (0.103 R)
• M9: 7,281,676 km (0.051 R)
• M10: 8,599,933 km (0.094 R)
• M11: 12,273,458 km (0.037 R)
• M12: 12,957,420 km (0.112 R)
• M13: 13,874,155 km (0.067 R)
• M14: 15,218,741 km (0.052 R)
• M15: 16,530,864 km (0.11 R)
• M16: 17,548,429 km (0.101 R)
• M17: 19,708,323 km (0.078 R)
• M18: 21,615,995 km (0.081 R)
• M19: 23,052,134 km (0.043 R)
• M20: 24,398,366 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.5

Radius: 14

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.09 AU - 4.95 AU

Year: 5375 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,965,251 km

• M1: 176,525 km (0.097 R)
• M2: 612,005 km (0.065 R)
• M3: 1,511,836 km (0.057 R)
• M4: 2,007,603 km (0.119 R)
• M5: 3,718,853 km (0.075 R)
• M6: 4,472,827 km (0.087 R)
• M7: 5,116,696 km (0.11 R)
• M8: 5,570,576 km (0.113 R)
• M9: 6,198,139 km (0.076 R)
• M10: 8,368,804 km (0.059 R)
• M11: 9,428,256 km (0.111 R)
• M12: 10,321,954 km (0.11 R)
• M13: 12,090,799 km (0.089 R)
• M14: 13,244,797 km (0.116 R)
• M15: 13,797,711 km (0.084 R)
• M16: 14,789,096 km (0.113 R)
• M17: 16,972,327 km (0.056 R)
• M18: 18,981,277 km (0.025 R)
• M19: 19,684,836 km (0.046 R)
• M20: 23,104,643 km (0.113 R)
• M21: 24,203,290 km (0.094 R)
• M22: 24,652,383 km (0.095 R)
• M23: 25,336,643 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.5

Radius: 13.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.44 AU - 4.54 AU

Year: 6345 Days

Day: 12.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,965,251 km

• M1: 171,589 km (0.1 R)
• M2: 739,612 km (0.101 R)
• M3: 1,215,483 km (0.108 R)
• M4: 1,695,692 km (0.074 R)
• M5: 2,304,256 km (0.088 R)
• M6: 3,056,284 km (0.079 R)
• M7: 3,823,422 km (0.109 R)
• M8: 5,138,986 km (0.094 R)
• M9: 6,095,066 km (0.04 R)
• M10: 7,575,636 km (0.114 R)
• M11: 8,118,976 km (0.08 R)
• M12: 8,771,970 km (0.104 R)
• M13: 9,816,911 km (0.12 R)
• M14: 16,006,523 km (0.103 R)
• M15: 16,450,979 km (0.081 R)
• M16: 17,232,328 km (0.1 R)
• M17: 19,365,444 km (0.043 R)
• M18: 22,057,308 km (0.056 R)
• M19: 24,483,936 km (0.102 R)
• M20: 30,927,265 km (0.108 R)
• M21: 32,117,765 km (0.105 R)
• M22: 34,379,236 km (0.088 R)
• M23: 36,306,954 km (0.065 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 17,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit