🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.71 AU - 1.09 AU

Year: 329 Days

Day: 27.9 Hours

Environment

Temp: 8 °C

Axial Tilt: 6.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.85 AU - 1.41 AU

Year: 462 Days

Day: 28 Hours

Environment

Temp: -1 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.52 AU - 1.82 AU

Year: 831 Days

Day: 22.5 Hours

Environment

Temp: -63 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.62 AU - 2.08 AU

Year: 969 Days

Day: 12.7 Hours

Environment

Temp: -87 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,319,149 km

• M1: 1,105,379 km (0.101 R)

Asteroid Belt

Center: 5.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.4

Radius: 8.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.8 AU - 11.66 AU

Year: 11685 Days

Day: 10.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,319,149 km

• M1: 110,852 km (0.071 R)
• M2: 515,065 km (0.109 R)
• M3: 809,474 km (0.092 R)
• M4: 1,231,490 km (0.093 R)
• M5: 2,009,099 km (0.053 R)
• M6: 2,414,659 km (0.066 R)
• M7: 3,125,399 km (0.057 R)
• M8: 4,362,274 km (0.1 R)
• M9: 5,572,072 km (0.077 R)
• M10: 5,898,345 km (0.106 R)
• M11: 7,142,251 km (0.116 R)
• M12: 7,606,603 km (0.103 R)
• M13: 8,681,912 km (0.114 R)
• M14: 9,392,054 km (0.094 R)
• M15: 9,714,736 km (0.105 R)
• M16: 10,140,492 km (0.066 R)
• M17: 10,529,297 km (0.066 R)
• M18: 11,702,892 km (0.05 R)
• M19: 12,185,046 km (0.088 R)
• M20: 12,513,862 km (0.093 R)
• M21: 14,921,640 km (0.084 R)
• M22: 15,298,177 km (0.088 R)
• M23: 15,745,475 km (0.096 R)
• M24: 16,135,776 km (0.12 R)
• M25: 17,483,653 km (0.07 R)
• M26: 19,420,197 km (0.111 R)
• M27: 24,314,142 km (0.103 R)
• M28: 25,632,398 km (0.095 R)
• M29: 27,183,429 km (0.074 R)
• M30: 32,002,724 km (0.107 R)
• M31: 34,558,604 km (0.063 R)
• M32: 37,018,292 km (0.087 R)
• M33: 37,477,707 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278

Radius: 14.4

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.42 AU - 12.58 AU

Year: 13099 Days

Day: 6.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,319,149 km

• M1: 179,368 km (0.114 R)
• M2: 801,246 km (0.105 R)
• M3: 1,415,196 km (0.109 R)
• M4: 3,381,211 km (0.081 R)
• M5: 5,372,957 km (0.08 R)
• M6: 7,450,872 km (0.115 R)
• M7: 8,649,150 km (0.086 R)
• M8: 9,135,942 km (0.101 R)
• M9: 10,262,115 km (0.063 R)
• M10: 11,217,896 km (0.047 R)
• M11: 11,905,447 km (0.062 R)
• M12: 13,423,417 km (0.034 R)
• M13: 14,320,705 km (0.09 R)
• M14: 17,814,264 km (0.104 R)
• M15: 19,045,903 km (0.094 R)
• M16: 19,644,893 km (0.083 R)
• M17: 20,411,133 km (0.112 R)
• M18: 21,277,006 km (0.107 R)
• M19: 25,705,402 km (0.102 R)
• M20: 30,918,738 km (0.042 R)
• M21: 33,446,942 km (0.116 R)
• M22: 37,028,315 km (0.048 R)
• M23: 38,198,171 km (0.1 R)

Asteroid Belt

Center: 13.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.5

Radius: 4.8

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 16.39 AU - 16.59 AU

Year: 25781 Days

Day: 23.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,319,149 km

• M1: 59,690 km (0.117 R)
• M2: 268,977 km (0.103 R)
• M3: 506,538 km (0.091 R)
• M4: 1,458,430 km (0.041 R)
• M5: 1,786,348 km (0.083 R)
• M6: 2,082,851 km (0.115 R)
• M7: 2,476,742 km (0.107 R)
• M8: 3,068,851 km (0.06 R)
• M9: 3,411,579 km (0.097 R)
• M10: 4,080,282 km (0.078 R)
• M11: 4,695,279 km (0.097 R)
• M12: 5,186,558 km (0.11 R)
• M13: 5,407,365 km (0.116 R)
• M14: 6,437,196 km (0.103 R)
• M15: 7,268,063 km (0.119 R)
• M16: 7,497,995 km (0.044 R)
• M17: 8,070,057 km (0.101 R)
• M18: 9,246,794 km (0.1 R)
• M19: 9,681,525 km (0.107 R)
• M20: 10,475,142 km (0.082 R)
• M21: 13,387,513 km (0.116 R)
• M22: 14,370,970 km (0.116 R)
• M23: 15,102,204 km (0.084 R)
• M24: 17,526,587 km (0.087 R)
• M25: 20,470,524 km (0.076 R)
• M26: 30,765,849 km (0.096 R)
• M27: 35,804,156 km (0.062 R)
• M28: 36,336,276 km (0.109 R)
• M29: 38,796,413 km (0.096 R)
• M30: 39,782,412 km (0.083 R)
• M31: 40,067,247 km (0.074 R)
• M32: 40,496,892 km (0.065 R)
• M33: 42,246,289 km (0.107 R)
• M34: 45,739,100 km (0.092 R)
• M35: 49,091,888 km (0.026 R)
• M36: 56,820,562 km (0.026 R)
• M37: 59,752,681 km (0.11 R)
• M38: 60,126,227 km (0.111 R)
• M39: 62,399,815 km (0.054 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 13,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit