🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.62 AU - 0.92 AU

Year: 260 Days

Day: 14.9 Hours

Environment

Temp: 88 °C

Axial Tilt: 29.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,524,573 km

• M1: 101,876 km (0.058 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.13 AU - 1.47 AU

Year: 571 Days

Day: 31.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.11 AU - 1.53 AU

Year: 584 Days

Day: 13.3 Hours

Environment

Temp: -43 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.73 AU - 2.09 AU

Year: 1016 Days

Day: 14 Hours

Environment

Temp: -79 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.38 AU - 3.6 AU

Year: 1991 Days

Day: 42.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.3

Radius: 10.2

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.35 AU - 8.73 AU

Year: 7192 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,524,573 km

• M1: 126,859 km (0.096 R)
• M2: 795,861 km (0.111 R)
• M3: 1,184,067 km (0.088 R)
• M4: 1,941,631 km (0.119 R)
• M5: 2,894,868 km (0.108 R)
• M6: 3,813,549 km (0.047 R)
• M7: 5,266,743 km (0.095 R)
• M8: 8,879,830 km (0.073 R)
• M9: 12,813,806 km (0.072 R)
• M10: 13,144,716 km (0.107 R)
• M11: 16,710,531 km (0.111 R)
• M12: 19,903,398 km (0.117 R)
• M13: 21,179,618 km (0.072 R)
• M14: 26,209,846 km (0.063 R)
• M15: 36,088,392 km (0.102 R)
• M16: 36,860,467 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 9.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.47 AU - 8.03 AU

Year: 7516 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,524,573 km

• M1: 119,828 km (0.071 R)
• M2: 2,103,496 km (0.103 R)
• M3: 2,429,469 km (0.1 R)
• M4: 3,455,561 km (0.047 R)
• M5: 5,103,083 km (0.092 R)
• M6: 6,581,259 km (0.102 R)
• M7: 8,289,667 km (0.089 R)
• M8: 13,743,856 km (0.038 R)
• M9: 22,242,511 km (0.112 R)
• M10: 24,491,864 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.8

Radius: 11.1

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.12 AU - 9.64 AU

Year: 9340 Days

Day: 14.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,524,573 km

• M1: 138,228 km (0.037 R)
• M2: 540,946 km (0.109 R)
• M3: 957,277 km (0.069 R)
• M4: 1,361,041 km (0.083 R)
• M5: 2,455,649 km (0.054 R)
• M6: 4,555,854 km (0.038 R)
• M7: 5,030,677 km (0.073 R)
• M8: 5,569,529 km (0.112 R)
• M9: 11,063,959 km (0.106 R)
• M10: 11,616,125 km (0.075 R)
• M11: 14,010,140 km (0.113 R)
• M12: 15,200,340 km (0.111 R)
• M13: 20,416,070 km (0.09 R)
• M14: 27,345,294 km (0.026 R)
• M15: 27,801,268 km (0.12 R)
• M16: 29,868,112 km (0.069 R)
• M17: 36,570,695 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.2

Radius: 13.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.7 AU - 10.4 AU

Year: 11363 Days

Day: 9.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,524,573 km

• M1: 170,841 km (0.114 R)
• M2: 747,690 km (0.08 R)
• M3: 1,713,045 km (0.113 R)
• M4: 2,473,002 km (0.045 R)
• M5: 2,986,871 km (0.049 R)
• M6: 3,697,910 km (0.104 R)
• M7: 4,260,996 km (0.092 R)
• M8: 5,100,689 km (0.114 R)
• M9: 7,109,938 km (0.055 R)
• M10: 10,462,127 km (0.117 R)
• M11: 11,208,321 km (0.106 R)
• M12: 11,762,881 km (0.109 R)
• M13: 12,394,034 km (0.053 R)
• M14: 12,927,201 km (0.092 R)
• M15: 13,976,031 km (0.087 R)
• M16: 16,033,750 km (0.049 R)
• M17: 16,667,297 km (0.101 R)
• M18: 17,611,858 km (0.095 R)
• M19: 18,668,617 km (0.09 R)
• M20: 19,369,932 km (0.118 R)
• M21: 20,169,832 km (0.115 R)
• M22: 20,742,792 km (0.109 R)
• M23: 24,968,932 km (0.082 R)
• M24: 27,482,326 km (0.115 R)
• M25: 28,903,505 km (0.087 R)
• M26: 32,894,926 km (0.085 R)
• M27: 34,729,594 km (0.089 R)
• M28: 39,358,751 km (0.078 R)
• M29: 41,688,738 km (0.079 R)
• M30: 46,480,058 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 16,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit