🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 10.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.52 AU - 0.72 AU

Year: 343 Days

Day: 10 Hours

Environment

Temp: -154 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,787,849 km

• M1: 134,339 km (0.118 R)
• M2: 471,981 km (0.068 R)
• M3: 908,059 km (0.103 R)
• M4: 1,276,070 km (0.119 R)
• M5: 1,663,080 km (0.055 R)
• M6: 2,369,481 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.6

Radius: 14.1

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.28 AU - 1.64 AU

Year: 1240 Days

Day: 6.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,787,849 km

• M1: 176,226 km (0.095 R)
• M2: 658,979 km (0.042 R)
• M3: 1,137,841 km (0.108 R)
• M4: 1,597,406 km (0.048 R)
• M5: 2,088,835 km (0.045 R)
• M6: 2,559,769 km (0.117 R)
• M7: 3,658,715 km (0.075 R)
• M8: 4,212,975 km (0.076 R)
• M9: 4,955,729 km (0.1 R)
• M10: 5,784,501 km (0.057 R)
• M11: 6,288,945 km (0.082 R)
• M12: 6,966,773 km (0.12 R)
• M13: 8,304,327 km (0.057 R)
• M14: 8,919,324 km (0.069 R)
• M15: 9,685,265 km (0.116 R)
• M16: 10,146,775 km (0.049 R)
• M17: 11,450,071 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.4

Radius: 10.9

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.75 AU - 2.79 AU

Year: 3241 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,787,849 km

• M1: 140,323 km (0.103 R)
• M2: 563,834 km (0.067 R)
• M3: 2,007,454 km (0.043 R)
• M4: 2,658,803 km (0.093 R)
• M5: 3,601,120 km (0.11 R)
• M6: 4,292,412 km (0.054 R)
• M7: 4,681,815 km (0.104 R)
• M8: 5,220,966 km (0.083 R)
• M9: 6,163,881 km (0.092 R)
• M10: 6,571,535 km (0.084 R)
• M11: 7,636,822 km (0.104 R)
• M12: 8,455,720 km (0.063 R)
• M13: 9,219,418 km (0.108 R)
• M14: 9,714,736 km (0.114 R)
• M15: 10,926,030 km (0.105 R)
• M16: 11,351,337 km (0.116 R)
• M17: 11,876,276 km (0.075 R)
• M18: 12,740,652 km (0.1 R)
• M19: 13,500,460 km (0.077 R)
• M20: 13,891,658 km (0.116 R)
• M21: 15,479,340 km (0.06 R)
• M22: 19,442,038 km (0.043 R)
• M23: 20,835,692 km (0.076 R)
• M24: 23,398,005 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104

Radius: 4.2

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.54 AU - 6.54 AU

Year: 11756 Days

Day: 24.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,787,849 km

• M1: 53,556 km (0.09 R)
• M2: 215,271 km (0.026 R)
• M3: 940,821 km (0.119 R)
• M4: 1,777,971 km (0.047 R)
• M5: 2,204,175 km (0.046 R)
• M6: 2,574,579 km (0.104 R)
• M7: 2,910,875 km (0.085 R)
• M8: 3,757,599 km (0.113 R)
• M9: 4,455,025 km (0.047 R)
• M10: 4,705,601 km (0.048 R)
• M11: 5,207,502 km (0.073 R)
• M12: 5,542,452 km (0.067 R)
• M13: 7,195,358 km (0.085 R)
• M14: 10,752,945 km (0.045 R)
• M15: 13,286,684 km (0.097 R)
• M16: 15,386,889 km (0.075 R)
• M17: 15,785,867 km (0.109 R)
• M18: 16,133,382 km (0.099 R)
• M19: 17,267,484 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.2

Radius: 3.9

Gravity: 54.78 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.78 AU - 10.82 AU

Year: 18350 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,787,849 km

• M1: 48,470 km (0.071 R)
• M2: 187,745 km (0.057 R)
• M3: 502,948 km (0.074 R)
• M4: 993,180 km (0.117 R)
• M5: 2,266,109 km (0.117 R)
• M6: 3,168,483 km (0.105 R)
• M7: 4,155,230 km (0.108 R)
• M8: 4,559,893 km (0.07 R)
• M9: 5,102,185 km (0.088 R)
• M10: 7,220,341 km (0.1 R)
• M11: 8,846,320 km (0.069 R)
• M12: 9,120,683 km (0.115 R)
• M13: 11,523,374 km (0.044 R)
• M14: 15,789,158 km (0.096 R)
• M15: 16,274,304 km (0.074 R)
• M16: 16,852,799 km (0.071 R)
• M17: 18,138,293 km (0.079 R)
• M18: 19,952,018 km (0.105 R)
• M19: 30,979,924 km (0.107 R)
• M20: 31,358,107 km (0.052 R)
• M21: 34,226,497 km (0.029 R)
• M22: 34,901,931 km (0.119 R)
• M23: 35,586,192 km (0.117 R)
• M24: 37,835,994 km (0.086 R)
• M25: 37,979,608 km (0.072 R)
• M26: 40,930,277 km (0.107 R)
• M27: 49,480,393 km (0.091 R)
• M28: 49,652,281 km (0.119 R)
• M29: 51,041,298 km (0.092 R)
• M30: 51,568,929 km (0.087 R)
• M31: 55,734,482 km (0.097 R)
• M32: 58,568,614 km (0.079 R)
• M33: 60,510,544 km (0.072 R)
• M34: 66,383,906 km (0.094 R)
• M35: 69,565,703 km (0.114 R)
• M36: 72,625,877 km (0.216 R)
• M37: 74,865,656 km (0.059 R)
• M38: 76,690,451 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456

Radius: 4.7

Gravity: 20.64 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.75 AU - 9.83 AU

Year: 21532 Days

Day: 25 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,787,849 km

• M1: 58,493 km (0.101 R)
• M2: 275,410 km (0.053 R)
• M3: 425,756 km (0.085 R)
• M4: 685,906 km (0.09 R)
• M5: 1,446,312 km (0.085 R)
• M6: 2,237,835 km (0.088 R)
• M7: 2,587,146 km (0.03 R)
• M8: 2,799,126 km (0.104 R)
• M9: 3,178,057 km (0.073 R)
• M10: 4,794,313 km (0.091 R)
• M11: 5,298,757 km (0.08 R)
• M12: 5,563,844 km (0.104 R)
• M13: 7,205,980 km (0.095 R)
• M14: 7,390,733 km (0.07 R)
• M15: 11,470,866 km (0.119 R)
• M16: 14,306,643 km (0.075 R)
• M17: 18,166,717 km (0.043 R)
• M18: 25,976,473 km (0.114 R)
• M19: 27,295,927 km (0.094 R)
• M20: 28,314,539 km (0.049 R)
• M21: 29,007,326 km (0.056 R)
• M22: 34,830,872 km (0.12 R)
• M23: 44,255,688 km (0.089 R)
• M24: 48,884,844 km (0.049 R)
• M25: 51,401,230 km (0.117 R)
• M26: 51,743,061 km (0.09 R)
• M27: 52,258,875 km (0.047 R)
• M28: 56,508,352 km (0.082 R)
• M29: 58,159,613 km (0.113 R)
• M30: 65,687,228 km (0.055 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 15,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit