🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.62 AU - 0.88 AU

Year: 230 Days

Day: 43.7 Hours

Environment

Temp: 118 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.73 AU - 0.81 AU

Year: 240 Days

Day: 27.6 Hours

Environment

Temp: 208 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 101,235,320 km

• M1: 68,815 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.82 AU - 1.34 AU

Year: 398 Days

Day: 27 Hours

Environment

Temp: 41 °C

Axial Tilt: 44.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.01 AU - 1.17 AU

Year: 404 Days

Day: 20.4 Hours

Environment

Temp: 45 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 101,235,320 km

• M1: 962,812 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.71 AU - 2.71 AU

Year: 1166 Days

Day: 47.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231

Radius: 12.4

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.42 AU - 11.74 AU

Year: 10519 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 101,235,320 km

• M1: 166,054 km (0.033 R)
• M2: 671,844 km (0.113 R)
• M3: 1,627,176 km (0.099 R)
• M4: 3,743,836 km (0.089 R)
• M5: 5,563,844 km (0.071 R)
• M6: 10,348,582 km (0.115 R)
• M7: 10,861,404 km (0.052 R)
• M8: 12,606,613 km (0.092 R)
• M9: 15,235,047 km (0.076 R)
• M10: 15,899,411 km (0.038 R)
• M11: 19,940,050 km (0.116 R)
• M12: 21,326,822 km (0.074 R)
• M13: 22,158,586 km (0.118 R)
• M14: 26,299,754 km (0.097 R)

Asteroid Belt

Center: 14.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 18.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.5

Radius: 6.4

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 17.95 AU - 19.17 AU

Year: 28366 Days

Day: 20.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 101,235,320 km

• M1: 83,027 km (0.113 R)
• M2: 563,834 km (0.046 R)
• M3: 1,168,958 km (0.094 R)
• M4: 1,871,469 km (0.111 R)
• M5: 2,334,475 km (0.028 R)
• M6: 2,987,619 km (0.11 R)
• M7: 9,244,251 km (0.117 R)
• M8: 11,198,149 km (0.118 R)
• M9: 13,024,140 km (0.052 R)
• M10: 17,565,483 km (0.075 R)
• M11: 22,967,761 km (0.112 R)
• M12: 29,492,023 km (0.079 R)
• M13: 30,498,368 km (0.04 R)
• M14: 34,630,411 km (0.046 R)
• M15: 48,153,011 km (0.068 R)
• M16: 48,614,820 km (0.063 R)
• M17: 55,899,937 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793

Radius: 7.6

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 17.94 AU - 19.32 AU

Year: 28527 Days

Day: 24.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 101,235,320 km

• M1: 94,546 km (0.1 R)
• M2: 540,647 km (0.092 R)
• M3: 1,545,795 km (0.081 R)
• M4: 1,913,506 km (0.05 R)
• M5: 2,338,664 km (0.081 R)
• M6: 2,664,787 km (0.089 R)
• M7: 3,195,859 km (0.088 R)
• M8: 3,598,577 km (0.063 R)
• M9: 4,774,117 km (0.071 R)
• M10: 5,821,452 km (0.087 R)
• M11: 7,219,444 km (0.097 R)
• M12: 8,593,201 km (0.082 R)
• M13: 9,249,636 km (0.059 R)
• M14: 14,480,475 km (0.12 R)
• M15: 17,478,566 km (0.025 R)
• M16: 20,551,456 km (0.104 R)
• M17: 22,050,277 km (0.037 R)
• M18: 24,787,021 km (0.098 R)
• M19: 25,384,515 km (0.099 R)
• M20: 30,650,360 km (0.066 R)
• M21: 33,610,004 km (0.074 R)
• M22: 35,988,909 km (0.069 R)
• M23: 37,219,501 km (0.11 R)
• M24: 39,764,311 km (0.105 R)
• M25: 41,079,127 km (0.085 R)
• M26: 41,747,380 km (0.027 R)
• M27: 48,091,078 km (0.119 R)
• M28: 49,394,973 km (0.047 R)
• M29: 55,250,533 km (0.034 R)
• M30: 60,255,479 km (0.091 R)
• M31: 65,781,624 km (0.05 R)
• M32: 82,502,029 km (0.045 R)
• M33: 85,177,437 km (0.087 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 12,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit