🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.65 AU - 1.05 AU

Year: 300 Days

Day: 16.6 Hours

Environment

Temp: 38 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.07 AU - 4.39 AU

Year: 2758 Days

Day: 47.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.81 AU - 4.07 AU

Year: 2994 Days

Day: 12 Hours

Environment

Temp: -140 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.7

Radius: 10

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.58 AU - 8.5 AU

Year: 7152 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,718,879 km

• M1: 215,421 km (0.088 R)
• M2: 901,327 km (0.093 R)
• M3: 1,769,144 km (0.076 R)
• M4: 2,568,745 km (0.079 R)
• M5: 10,292,034 km (0.117 R)
• M6: 10,688,169 km (0.063 R)
• M7: 14,576,667 km (0.065 R)
• M8: 16,699,910 km (0.06 R)
• M9: 17,358,439 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.4

Radius: 12.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.78 AU - 8.92 AU

Year: 7630 Days

Day: 13.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,718,879 km

• M1: 204,799 km (0.118 R)
• M2: 650,900 km (0.083 R)
• M3: 1,205,609 km (0.049 R)
• M4: 2,025,256 km (0.071 R)
• M5: 2,894,868 km (0.06 R)
• M6: 3,835,989 km (0.088 R)
• M7: 4,290,467 km (0.085 R)
• M8: 7,165,738 km (0.034 R)
• M9: 8,798,000 km (0.056 R)
• M10: 14,139,392 km (0.103 R)
• M11: 15,348,891 km (0.078 R)
• M12: 23,145,483 km (0.027 R)
• M13: 24,416,467 km (0.102 R)
• M14: 26,752,138 km (0.106 R)
• M15: 28,779,040 km (0.051 R)
• M16: 33,435,423 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 11.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.37 AU - 9.85 AU

Year: 8843 Days

Day: 11.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,718,879 km

• M1: 138,228 km (0.118 R)
• M2: 568,322 km (0.066 R)
• M3: 1,026,690 km (0.073 R)
• M4: 1,665,922 km (0.046 R)
• M5: 2,084,347 km (0.072 R)
• M6: 2,555,431 km (0.083 R)
• M7: 3,449,428 km (0.099 R)
• M8: 3,805,471 km (0.117 R)
• M9: 5,052,818 km (0.119 R)
• M10: 5,484,557 km (0.097 R)
• M11: 6,488,508 km (0.089 R)
• M12: 7,759,941 km (0.048 R)
• M13: 8,494,616 km (0.117 R)
• M14: 9,880,042 km (0.054 R)
• M15: 11,169,276 km (0.044 R)
• M16: 12,258,349 km (0.082 R)
• M17: 13,308,675 km (0.108 R)
• M18: 17,202,110 km (0.101 R)
• M19: 22,556,666 km (0.098 R)
• M20: 23,335,024 km (0.106 R)
• M21: 31,936,752 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.2

Radius: 3.3

Gravity: 52.91 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 11.5 AU - 14.46 AU

Year: 17905 Days

Day: 17.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 66,718,879 km

• M1: 48,470 km (0.102 R)
• M2: 244,293 km (0.096 R)
• M3: 392,246 km (0.109 R)
• M4: 649,704 km (0.103 R)
• M5: 770,579 km (0.067 R)
• M6: 906,413 km (0.111 R)
• M7: 1,281,904 km (0.111 R)
• M8: 1,650,513 km (0.108 R)
• M9: 1,805,646 km (0.115 R)
• M10: 2,638,757 km (0.109 R)
• M11: 2,875,421 km (0.119 R)
• M12: 3,642,259 km (0.117 R)
• M13: 4,340,433 km (0.071 R)
• M14: 6,117,057 km (0.076 R)
• M15: 7,232,309 km (0.117 R)
• M16: 9,967,856 km (0.037 R)
• M17: 10,482,173 km (0.058 R)
• M18: 12,003,434 km (0.096 R)
• M19: 13,185,706 km (0.108 R)
• M20: 13,665,765 km (0.094 R)
• M21: 15,101,307 km (0.099 R)
• M22: 16,872,994 km (0.051 R)
• M23: 18,016,520 km (0.077 R)
• M24: 18,950,460 km (0.08 R)
• M25: 19,916,264 km (0.096 R)
• M26: 20,914,381 km (0.104 R)
• M27: 23,504,668 km (0.082 R)
• M28: 24,107,996 km (0.082 R)
• M29: 24,928,391 km (0.061 R)
• M30: 29,080,480 km (0.049 R)
• M31: 30,127,216 km (0.108 R)
• M32: 35,345,339 km (0.103 R)
• M33: 37,891,645 km (0.11 R)
• M34: 43,046,488 km (0.07 R)
• M35: 43,646,525 km (0.06 R)
• M36: 44,556,978 km (0.115 R)
• M37: 44,710,016 km (0.065 R)
• M38: 46,573,108 km (0.086 R)
• M39: 52,813,434 km (0.03 R)
• M40: 53,328,499 km (0.093 R)
• M41: 63,375,792 km (0.052 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 17,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit