🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.69 AU - 1.09 AU

Year: 302 Days

Day: 34.1 Hours

Environment

Temp: 163 °C

Axial Tilt: 29.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.77 AU - 2.77 AU

Year: 1231 Days

Day: 33.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,753,426 km

• M1: 1,756,578 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.15 AU - 2.83 AU

Year: 1414 Days

Day: 27.1 Hours

Environment

Temp: -77 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,753,426 km

• M1: 2,073,426 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.63 AU - 3.09 AU

Year: 1741 Days

Day: 41.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.9

Radius: 14.2

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.5 AU - 11.5 AU

Year: 10538 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,753,426 km

• M1: 176,525 km (0.064 R)
• M2: 733,478 km (0.096 R)
• M3: 1,784,852 km (0.095 R)
• M4: 2,679,148 km (0.037 R)
• M5: 5,537,365 km (0.047 R)
• M6: 6,924,586 km (0.067 R)
• M7: 8,677,125 km (0.079 R)
• M8: 12,062,824 km (0.113 R)
• M9: 12,804,531 km (0.117 R)
• M10: 13,478,319 km (0.085 R)
• M11: 17,970,145 km (0.061 R)
• M12: 20,132,881 km (0.116 R)
• M13: 21,984,005 km (0.115 R)
• M14: 24,381,461 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.8

Radius: 11

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 8.63 AU - 13.73 AU

Year: 13453 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,753,426 km

• M1: 136,882 km (0.065 R)
• M2: 512,373 km (0.047 R)
• M3: 2,238,583 km (0.081 R)
• M4: 3,338,426 km (0.074 R)
• M5: 5,986,458 km (0.073 R)
• M6: 7,230,514 km (0.029 R)
• M7: 7,666,442 km (0.066 R)
• M8: 9,902,781 km (0.118 R)
• M9: 12,605,117 km (0.091 R)
• M10: 16,203,095 km (0.071 R)
• M11: 16,574,397 km (0.082 R)
• M12: 19,753,052 km (0.08 R)
• M13: 20,434,321 km (0.056 R)
• M14: 21,043,184 km (0.082 R)
• M15: 23,129,327 km (0.114 R)
• M16: 30,660,532 km (0.116 R)
• M17: 35,161,184 km (0.104 R)
• M18: 42,427,751 km (0.066 R)
• M19: 49,070,495 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 14.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 10.12 AU - 14.68 AU

Year: 15715 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,753,426 km

• M1: 261,048 km (0.089 R)
• M2: 1,269,637 km (0.054 R)
• M3: 1,986,809 km (0.07 R)
• M4: 2,868,838 km (0.042 R)
• M5: 3,763,583 km (0.101 R)
• M6: 5,790,784 km (0.087 R)
• M7: 6,778,280 km (0.104 R)
• M8: 8,020,690 km (0.031 R)
• M9: 8,825,676 km (0.078 R)
• M10: 9,409,856 km (0.042 R)
• M11: 10,774,787 km (0.037 R)
• M12: 12,862,275 km (0.078 R)
• M13: 20,089,947 km (0.093 R)
• M14: 24,869,000 km (0.047 R)
• M15: 28,255,597 km (0.075 R)
• M16: 32,062,713 km (0.108 R)
• M17: 33,574,549 km (0.119 R)
• M18: 34,870,366 km (0.045 R)
• M19: 42,599,938 km (0.061 R)
• M20: 47,585,287 km (0.062 R)
• M21: 49,219,794 km (0.114 R)
• M22: 53,995,107 km (0.071 R)
• M23: 63,275,561 km (0.114 R)
• M24: 63,863,929 km (0.104 R)
• M25: 65,051,736 km (0.118 R)
• M26: 65,651,175 km (0.084 R)
• M27: 66,254,204 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.1

Radius: 8

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 16.67 AU - 17.57 AU

Year: 25493 Days

Day: 21.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,753,426 km

• M1: 99,632 km (0.097 R)
• M2: 392,694 km (0.067 R)
• M3: 1,657,694 km (0.113 R)
• M4: 1,983,668 km (0.096 R)
• M5: 2,639,654 km (0.114 R)
• M6: 3,676,966 km (0.079 R)
• M7: 9,013,122 km (0.075 R)
• M8: 10,657,801 km (0.107 R)
• M9: 11,247,815 km (0.084 R)
• M10: 23,558,074 km (0.06 R)
• M11: 29,732,577 km (0.112 R)
• M12: 33,743,894 km (0.106 R)
• M13: 38,862,984 km (0.085 R)
• M14: 40,258,433 km (0.099 R)
• M15: 42,820,895 km (0.097 R)
• M16: 58,277,347 km (0.097 R)
• M17: 60,927,473 km (0.065 R)
• M18: 64,943,876 km (0.103 R)
• M19: 72,101,237 km (0.095 R)

Kuiper Belt

Range: 30.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 17,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit