🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.45 AU - 0.71 AU

Year: 281 Days

Day: 28.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.56 AU - 0.78 AU

Year: 349 Days

Day: 37.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.9

Radius: 10.6

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.6 AU - 0.84 AU

Year: 388 Days

Day: 11.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,440,033 km

• M1: 131,945 km (0.088 R)
• M2: 495,019 km (0.11 R)
• M3: 1,128,417 km (0.087 R)
• M4: 1,465,760 km (0.111 R)
• M5: 1,878,949 km (0.083 R)
• M6: 2,292,288 km (0.114 R)
• M7: 3,047,907 km (0.081 R)
• M8: 3,622,812 km (0.106 R)
• M9: 4,295,254 km (0.119 R)
• M10: 4,888,559 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.1

Radius: 14.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.7 AU - 0.78 AU

Year: 405 Days

Day: 5.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,440,033 km

• M1: 184,005 km (0.062 R)
• M2: 728,242 km (0.072 R)
• M3: 1,511,387 km (0.106 R)
• M4: 1,981,573 km (0.114 R)
• M5: 2,912,072 km (0.086 R)
• M6: 3,801,581 km (0.082 R)
• M7: 4,649,651 km (0.103 R)

Asteroid Belt

Center: 1.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.3

Radius: 14.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.52 AU - 1.82 AU

Year: 1372 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,440,033 km

• M1: 185,352 km (0.112 R)
• M2: 882,627 km (0.11 R)
• M3: 1,501,215 km (0.074 R)
• M4: 1,970,054 km (0.087 R)
• M5: 2,490,356 km (0.086 R)
• M6: 3,005,720 km (0.104 R)
• M7: 3,687,139 km (0.115 R)
• M8: 4,220,754 km (0.063 R)
• M9: 5,613,660 km (0.11 R)
• M10: 7,018,534 km (0.091 R)
• M11: 7,631,586 km (0.058 R)
• M12: 8,391,992 km (0.11 R)
• M13: 9,352,560 km (0.079 R)
• M14: 11,047,504 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.4

Radius: 11.4

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.63 AU - 1.95 AU

Year: 1523 Days

Day: 11.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,440,033 km

• M1: 142,417 km (0.101 R)
• M2: 566,677 km (0.093 R)
• M3: 1,151,455 km (0.115 R)
• M4: 1,510,490 km (0.074 R)
• M5: 1,874,312 km (0.041 R)
• M6: 2,309,342 km (0.078 R)
• M7: 2,705,627 km (0.112 R)
• M8: 4,809,721 km (0.086 R)
• M9: 5,272,876 km (0.067 R)
• M10: 6,794,286 km (0.087 R)
• M11: 7,832,047 km (0.103 R)
• M12: 8,474,869 km (0.053 R)
• M13: 9,676,439 km (0.07 R)
• M14: 11,474,456 km (0.051 R)
• M15: 11,902,605 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.3

Radius: 14

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.58 AU - 2.14 AU

Year: 1613 Days

Day: 12.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,440,033 km

• M1: 196,572 km (0.068 R)
• M2: 900,729 km (0.057 R)
• M3: 1,898,846 km (0.082 R)
• M4: 2,472,554 km (0.068 R)
• M5: 4,425,554 km (0.118 R)
• M6: 5,429,954 km (0.027 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.4

Radius: 10.8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.83 AU - 3.15 AU

Year: 3287 Days

Day: 13.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,440,033 km

• M1: 134,339 km (0.109 R)
• M2: 487,091 km (0.047 R)
• M3: 851,661 km (0.071 R)
• M4: 1,387,520 km (0.112 R)
• M5: 2,086,741 km (0.097 R)
• M6: 3,436,413 km (0.073 R)
• M7: 3,784,976 km (0.092 R)
• M8: 4,221,802 km (0.106 R)
• M9: 4,715,474 km (0.108 R)
• M10: 6,064,249 km (0.101 R)
• M11: 6,753,297 km (0.098 R)
• M12: 7,493,806 km (0.043 R)
• M13: 8,219,356 km (0.027 R)
• M14: 9,469,396 km (0.057 R)
• M15: 9,810,479 km (0.084 R)
• M16: 10,557,571 km (0.072 R)
• M17: 13,832,866 km (0.057 R)
• M18: 16,722,499 km (0.09 R)
• M19: 17,503,549 km (0.065 R)
• M20: 20,366,404 km (0.075 R)
• M21: 21,257,109 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 19,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit